This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. It outlines 18 steps to disassemble the transfer gear case by removing bearing cages, gears, shims, and cups. It then describes 20 steps to reassemble the transfer gear case, including cleaning parts, pressing bearings onto gears, adjusting shim thickness to achieve proper end play, and torquing bolts to the specified values. Tools required are also listed.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components and parts from the transfer gear case. The assembly process describes 20 steps to reinstall the components in the reverse order and adjust shims to achieve the proper gear end play. Tools and torque specifications are provided for each step.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components and parts from the transfer gear case including bearing cages, gears, shims, cups, and seals. The assembly process describes installing the parts in reverse order and adjusting shims to achieve the proper end play. Tools required include link brackets, pullers, drivers, and dial indicators.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 parts from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these same parts in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values. Tools required include link brackets, pullers, drivers, and dial indicators. Proper cleaning and containment of fluids is emphasized.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 parts from the transfer gear case including bearing cages, gears, shims, cups and seals. The assembly process describes installing these parts in reverse order and adjusting shims to achieve the proper end play. Tools required include pullers, drivers, and dial indicators.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components and parts from the transfer gear case. The assembly process describes 20 steps to reinstall the components in the reverse order and adjust shims to achieve the proper gear end play. Tools and torque specifications are provided for each step.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components and parts from the transfer gear case including bearing cages, gears, shims, cups, and seals. The assembly process describes installing the parts in reverse order and adjusting shims to achieve the proper end play. Tools required include link brackets, pullers, drivers, and dial indicators.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 parts from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these same parts in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values. Tools required include link brackets, pullers, drivers, and dial indicators. Proper cleaning and containment of fluids is emphasized.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 parts from the transfer gear case including bearing cages, gears, shims, cups and seals. The assembly process describes installing these parts in reverse order and adjusting shims to achieve the proper end play. Tools required include pullers, drivers, and dial indicators.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. It outlines 18 steps to disassemble the transfer gear case by removing gears, bearing cages, shims, and cups. It then describes 20 steps to reassemble the transfer gear case, including pressing bearings onto gears, installing cups and cages, adjusting shims to achieve proper end play, and torquing bolts. Tools required are also listed.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. It outlines 18 steps to disassemble the transfer gear case by removing bearing cages, gears, shims, and bearings. It then describes 20 steps to reassemble the transfer gear case, including pressing bearings onto gears, installing bearing cups and cages, and adjusting shims to achieve the proper gear end play. Tools required are also listed.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. It outlines 18 steps to disassemble the transfer gear case by removing bearing cages, gears, shims, and bearings. It then describes 20 steps to reassemble the transfer gear case, including pressing bearings onto gears, installing bearing cups and cages, adjusting shims to achieve proper end play, and torquing bolts. Tools required are also listed.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. It outlines 18 steps to disassemble the transfer gear case by removing bearing cages, gears, shims, and bearings. It then describes 20 steps to reassemble the transfer gear case, including pressing bearings onto gears, installing bearing cups and cages, adjusting shims to achieve proper end play, and torquing bolts. Tools required are also listed.
This document provides instructions for disassembling and assembling the transfer gears of a 631G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process reverses this, cleaning and lubricating parts before installing components in the reverse order, using various tools to position and set bearings. Proper cleaning is emphasized to prevent contamination of hydraulic systems.
The document provides instructions for disassembling and assembling the transfer gears of a 631G wheel tractor. It describes removing 18 components including bearing cages, gears, cups, and seals. It then describes assembling the components in reverse order, including cleaning, lubricating, heating/cooling parts, and adjusting shims to achieve proper end play. Tools required include link brackets, pullers, drivers, and dial indicators.
This document provides instructions for disassembling and assembling the transfer gears of a 631G wheel tractor. The disassembly process involves removing 18 parts from the transfer gear case including bearing cages, shims, gears, and bearing cups. The assembly process reverses this, cleaning and lubricating parts before installing bearings, seals, and securing components with bolts torqued to the specified values. Tools are required for tasks like removing bearings.
The document provides instructions for disassembling and assembling the transfer gears of a 631G wheel tractor. It lists 18 steps for disassembly that include removing bearing cages, gears, shims, and cups from the transfer gear case. It then lists 20 steps for assembly that involve cleaning parts, pressing or installing bearings and seals, positioning gears and cages, and adjusting shims to achieve proper end play. Tools required are also listed.
This document provides assembly instructions for a torque converter in a 730 articulated truck. It lists 34 steps to assemble the various components of the torque converter, including housings, bearings, seals, discs, and shafts. Personal protective equipment is required and cleanliness is emphasized throughout the assembly process. Torque specifications are provided for securing different fasteners.
The document provides instructions for removing and installing various engine components on a Caterpillar C13 engine, including:
- Camshaft - removal involves supporting lifters with a magnetic tool, removing bolts and gears, and carefully removing the camshaft with two people. Installation requires ensuring proper timing.
- Camshaft gear - removed using a press and installed by heating to 315°C and pressing onto the camshaft.
- Camshaft bearings - removed using a puller tool and lubricant, installed using a receiver sleeve tool by pressing in from the rear.
- Engine oil pan - removed by draining oil first, then removing bolts, studs, clips
This document provides instructions for removing and installing various components of the rear gear group and flywheel on a Caterpillar 730 articulated truck with a C13 engine. The removal procedure involves using various tools to remove bolts, seals, gears, covers, and bearings. The installation procedure specifies cleaning and lubricating components, pressing bearings in at the proper angles and depths, and torquing bolts to the specified values.
This document provides instructions for removing and installing various components of a Caterpillar C9.3 engine, including the valve mechanism cover, compression brake, and compression brake valve assembly. The procedures include illustrations of the components and multi-step instructions for removal and installation, including proper torque specifications. Safety precautions are provided where necessary.
This document provides instructions for disassembling and assembling the torque converter of a 657G Wheel Tractor. It lists the required tools and gives step-by-step instructions with accompanying illustrations. The torque converter is first disassembled by removing various components like the retaining rings, bolts, plates, and internal mechanisms. It is then reassembled in the reverse order, ensuring cleanliness and applying grease as needed.
The document provides instructions for removing and installing a flywheel housing on a Caterpillar C15 or C18 engine. It describes removing components like the crankshaft rear seal, electric starting motor, and rear power take-off. It then explains how to use lifting tools to remove the flywheel housing and reinstall it, replacing seals and tightening bolts in a specific sequence and torque range. Similar instructions are provided for removing and installing just the rear power take-off components.
The document provides instructions for removing the implement vane pump from a 657G Wheel Scraper. It describes disconnecting hoses and wiring, draining fluid from the elbow, attaching a lifting device to the pump, and removing nuts and the pump. It also includes notes about marking disconnected parts for installation and preventing fluid loss.
This document provides assembly instructions for repairing the transmission of a 329DL excavator. It consists of 52 steps to assemble the transmission components in the correct order, including installing gaskets, bearings, pistons, seals, covers, and other parts into the pump housing. Precautions are provided for steps involving spring tension. Required tools include a transmission repair stand, link brackets, driver group, seal guide, and retaining ring pliers.
This document provides instructions for removing and disassembling the drive shaft and scavenge pump on a 657G Wheel Scraper. Key steps include:
1. Removing retaining rings, covers, and guards to access the drive shaft.
2. Using eyebolts and lifting devices to remove the heavy drive shaft and tube assembly.
3. Checking alignment of components and removing the yoke assembly, bearings, and seals.
4. Disassembling the scavenge pump by removing O-rings, bearings, shafts, and gears.
This service repair manual provides instructions for removing and installing the cylinder head and lifter group on Caterpillar 3412C engines. The summary is:
1. The document outlines the required tools and safety procedures for removing the cylinder head, which involves detaching hoses, bolts, and lifting the heavy part off.
2. Instructions are provided for installing the new cylinder head gasket and reattaching the cylinder head using lifting brackets and torqueing the bolts in a specific sequence.
3. The lifter group removal process involves using a special tool to pull out the lifters and springs from the bores. Reinstallation requires aligning new springs and pressing the lifter assemblies back into place
This service repair manual provides instructions for removing and installing the cylinder head and lifter group on Caterpillar 3412C engines. The summary is:
1. The document outlines the required tools and safety procedures for removing the cylinder head, which involves detaching hoses, bolts, and lifting the heavy part off.
2. Instructions are provided for installing the new cylinder head gasket and reattaching the cylinder head using lifting brackets and torqueing the bolts in a specific sequence.
3. The lifter group removal process involves using a special tool to pull out the lifters and springs from the bores. Reinstallation requires aligning new springs and pressing the lifter assemblies back into place
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This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. It outlines 18 steps to disassemble the transfer gear case by removing gears, bearing cages, shims, and cups. It then describes 20 steps to reassemble the transfer gear case, including pressing bearings onto gears, installing cups and cages, adjusting shims to achieve proper end play, and torquing bolts. Tools required are also listed.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. It outlines 18 steps to disassemble the transfer gear case by removing bearing cages, gears, shims, and bearings. It then describes 20 steps to reassemble the transfer gear case, including pressing bearings onto gears, installing bearing cups and cages, and adjusting shims to achieve the proper gear end play. Tools required are also listed.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. It outlines 18 steps to disassemble the transfer gear case by removing bearing cages, gears, shims, and bearings. It then describes 20 steps to reassemble the transfer gear case, including pressing bearings onto gears, installing bearing cups and cages, adjusting shims to achieve proper end play, and torquing bolts. Tools required are also listed.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process describes installing these components in the reverse order and includes lubricating seals, heating/cooling bearings, and torquing bolts to the specified values.
This document provides instructions for disassembling and assembling the transfer gears of a 627G wheel tractor. It outlines 18 steps to disassemble the transfer gear case by removing bearing cages, gears, shims, and bearings. It then describes 20 steps to reassemble the transfer gear case, including pressing bearings onto gears, installing bearing cups and cages, adjusting shims to achieve proper end play, and torquing bolts. Tools required are also listed.
This document provides instructions for disassembling and assembling the transfer gears of a 631G wheel tractor. The disassembly process involves removing 18 components from the transfer gear case including bearing cages, gears, shims, and cups. The assembly process reverses this, cleaning and lubricating parts before installing components in the reverse order, using various tools to position and set bearings. Proper cleaning is emphasized to prevent contamination of hydraulic systems.
The document provides instructions for disassembling and assembling the transfer gears of a 631G wheel tractor. It describes removing 18 components including bearing cages, gears, cups, and seals. It then describes assembling the components in reverse order, including cleaning, lubricating, heating/cooling parts, and adjusting shims to achieve proper end play. Tools required include link brackets, pullers, drivers, and dial indicators.
This document provides instructions for disassembling and assembling the transfer gears of a 631G wheel tractor. The disassembly process involves removing 18 parts from the transfer gear case including bearing cages, shims, gears, and bearing cups. The assembly process reverses this, cleaning and lubricating parts before installing bearings, seals, and securing components with bolts torqued to the specified values. Tools are required for tasks like removing bearings.
The document provides instructions for disassembling and assembling the transfer gears of a 631G wheel tractor. It lists 18 steps for disassembly that include removing bearing cages, gears, shims, and cups from the transfer gear case. It then lists 20 steps for assembly that involve cleaning parts, pressing or installing bearings and seals, positioning gears and cages, and adjusting shims to achieve proper end play. Tools required are also listed.
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The document provides instructions for removing and installing various engine components on a Caterpillar C13 engine, including:
- Camshaft - removal involves supporting lifters with a magnetic tool, removing bolts and gears, and carefully removing the camshaft with two people. Installation requires ensuring proper timing.
- Camshaft gear - removed using a press and installed by heating to 315°C and pressing onto the camshaft.
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This document provides assembly instructions for repairing the transmission of a 329DL excavator. It consists of 52 steps to assemble the transmission components in the correct order, including installing gaskets, bearings, pistons, seals, covers, and other parts into the pump housing. Precautions are provided for steps involving spring tension. Required tools include a transmission repair stand, link brackets, driver group, seal guide, and retaining ring pliers.
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1. Removing retaining rings, covers, and guards to access the drive shaft.
2. Using eyebolts and lifting devices to remove the heavy drive shaft and tube assembly.
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This service repair manual provides instructions for removing and installing the cylinder head and lifter group on Caterpillar 3412C engines. The summary is:
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2. Instructions are provided for installing the new cylinder head gasket and reattaching the cylinder head using lifting brackets and torqueing the bolts in a specific sequence.
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Caterpillar Cat 651 and 651B WHEEL SCRAPER (Prefix 45M) Service Repair Manual...8foskkdjdkdm3e
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Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
2. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 627G WHEEL TRACTOR CEX
Configuration: 627G Wheel Tractor CEX00001-UP (MACHINE) POWERED BY 3406E Engine
Disassembly and Assembly
627G Wheel Tractor Power Train
Media Number -RENR4228-02 Publication Date -01/08/2007 Date Updated -17/08/2007
i02301155
Transfer Gears - Disassemble
SMCS - 3159-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 1
B
8B-7548 Push-Puller Tool Gp 1
8B-7551 Bearing Puller Gp 1
1P-0498 Drive Plate 1
C
5P-4170 Step Plate 1
1P-2321 Combination Puller 1
D
8B-7554 Bearing Cup Puller Gp 1
5P-4170 Step Plate 1
1P-0518 Drive Plate 1
E
8B-7560 Step Plate 1
5F-7345 Screw 1
8B-7554 Bearing Cup Puller Gp 1
F -
Bolts
3/8" - 16 NC by 3 inch
3
Start By:
1/8(W)
w
2021/5/5
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3. a. Remove the transfer gear case. Refer to Disassembly and Assembly, "Transfer Gears -
Remove".
b. Remove the transmission oil filter base. Refer to Disassembly and Assembly, "Transmission
Oil Filter Base - Remove and Install".
c. Remove the transmission scavenge pump. Refer to Disassembly and Assembly,
"Transmission Scavenge Pump - Remove".
d. Remove the transmission oil pump. Refer to Disassembly and Assembly, "Transmission Oil
Pump - Remove".
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting, and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Cat®
products.
Dispose of all fluids according to local regulations and mandates.
NOTICE
Keep all parts clean from contaminants.
Contamination of the hydraulic system with foreign material will
reduce the service life of the hydraulic system components.
To prevent contaminants from entering the hydraulic system, always
plug or cap the lines, fittings, or hoses as they are disconnected. Cover
any disassembled components and clean them properly before
assembly.
Clean the hydraulic system properly after any major component
exchange or especially after a component failure, to remove any
contamination.
1. Put identification marks on components for installation purposes.
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4. Illustration 1 g01048669
2. Remove the bolts that secure bearing cage (1) to the transfer gear case. Use Tooling (F) in
order to separate bearing cage (1) from the transfer gear case.
3. Remove bearing cage (1), shims (2), and pump drive gear (3) from the transfer gear case.
Illustration 2 g01102869
4. Remove the bolts that secure bearing cage (4) to the transfer gear case. Use Tooling (F) in
order to separate bearing cage (4) from the transfer gear case.
5. Remove bearing cage (4), shims (5), and gear (6) from the transfer gear case.
Illustration 3 g00529211
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5. 6. Remove bearing cups (7) and (8) from the transfer gear case. Attach Tooling (A) and a
suitable lifting device onto the transfer gear case. The weight of the transfer gear case is
approximately 340 kg (750 lb). Turn over the transfer gear case. Remove Tooling (A).
Illustration 4 g01102873
7. Remove the bolts that secure bearing cage (9) to the transfer gear case. Use Tooling (F) in
order to separate bearing cage (9) from the transfer gear case.
8. Remove bearing cage (9), shims (10), and gear (11) from the transfer gear case.
Illustration 5 g00529214
9. Remove bearing cup (12) from the transfer gear case. Attach Tooling (A) and a suitable
lifting device onto the transfer gear case. Turn over the transfer gear case.
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6. Illustration 6 g00529215
10. Remove bolts (13) that secure bearing cage (14) to the transfer gear case. If necessary, rotate
the gear until the three threaded holes are visible in bearing cage (14). Install Tooling (F)
through gear (15) and into bearing cage (14). Tighten Tooling (F) evenly until bearing cage
(14) and gear (15) separate from the transfer gear case. Remove bearing cage (14) and gear
(15) as a unit from the transfer gear case.
Illustration 7 g00529216
Illustration 8 g00529257
11. Remove retaining ring (16) from gear (15). Remove bearing (17) and bearing cage (14)
from gear (15).
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7. Illustration 9 g01048544
12. Remove bearing (17) from bearing cage (14).
Illustration 10 g01048548
13. Remove bolts (19) and separate gear (20) from gear (11). Use Tooling (B) to remove
bearing cone (18) from gear (11). Repeat the procedure for the bearing cone on the opposite
side of the gear.
Illustration 11 g01048549
14. Use Tooling (C) to remove bearing cone (21) from gear (6). Repeat the procedure for the
bearing cone on the opposite side of gear (6).
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8. Illustration 12 g01048550
15. Use Tooling (C) to remove bearing cone (22) from gear (3). Repeat the procedure for the
bearing cone on the opposite side of gear (3).
Illustration 13 g01048551
16. Use Tooling (D) to remove bearing cup (23) from bearing cage (4). Remove O-ring seal
(24) from bearing cage (4).
Illustration 14 g01048553
17. Remove bearing cup (25) from bearing cage (9).
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9. Illustration 15 g01048552
18. Use Tooling (E) to remove bearing cup (26) from bearing cage (1). Remove O-ring seal (27)
from bearing cage (1).
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
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10. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 627G WHEEL TRACTOR CEX
Configuration: 627G Wheel Tractor CEX00001-UP (MACHINE) POWERED BY 3406E Engine
Disassembly and Assembly
627G Wheel Tractor Power Train
Media Number -RENR4228-02 Publication Date -01/08/2007 Date Updated -17/08/2007
i07232119
Transfer Gears - Assemble
SMCS - 3159-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 1
G 1P-0510 Driver Group 1
H 8T-5096 Dial Indicator 1
NOTICE
Keep all parts clean from contaminants.
Contamination of the hydraulic system with foreign material will
reduce the service life of the hydraulic system components.
To prevent contaminants from entering the hydraulic system, always
plug or cap the lines, fittings, or hoses as they are disconnected. Cover
any disassembled components and clean them properly before
assembly.
Clean the hydraulic system properly after any major component
exchange or especially after a component failure, to remove any
contamination.
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11. 1. Clean all parts and inspect all parts. If any parts are worn or damaged, use new parts for
replacement.
2. Lubricate O-ring seals with the lubricant that is being sealed.
Illustration 1 g01048544
3. Install bearing (17) into bearing cage (14).
Illustration 2 g00529216
4. Use Tooling (G) to install bearing (17) and bearing cage (14) to gear (15). Install bearing
(17) and bearing cage (14) until the retaining ring groove is visible. Install retaining ring
(16) to gear (15).
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12. Illustration 3 g00529215
5. Position gear (15) and bearing cage (14) in the transfer gear case. Install bolts (13) that
secure bearing cage (14) to the transfer gear case. Tighten bolts (13) to a torque of
55 ± 10 N·m (41 ± 7 lb ft).
Illustration 4 g01048552
6. Install O-ring seal (27) onto bearing cage (1). Lower the temperature of bearing cup (26).
Install bearing cup (26) to bearing cage (1). Check that bearing cup (26) is seated in the bore
of bearing cage (1).
Illustration 5 g01048553
7. Lower the temperature of bearing cup (25). Install bearing cup (25) to bearing cage (9).
Check that bearing cup (25) is seated in the bore of bearing cage (9).
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13. Illustration 6 g01048551
8. Install O-ring seal (24) to bearing cage (4). Lower the temperature of bearing cup (23).
Install bearing cup (23) to bearing cage (4). Check that bearing cup (23) is seated in the bore
of bearing cage (4).
Illustration 7 g01048550
9. Raise the temperature of bearing cone (22). Install bearing cone (22) on gear (3). Repeat the
procedure for the bearing cone on the opposite side of gear (3).
Illustration 8 g01048549
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14. 10. Raise the temperature of bearing cone (21). Install bearing cone (21) on gear (6). Repeat the
procedure for the bearing cone on the opposite side of gear (6).
Illustration 9 g01048548
11. Raise the temperature of bearing cone (18). Install bearing cone (18) on gear (11). Repeat
the procedure for the bearing cone on the opposite side of gear (11).
12. Position gear (20) on gear (11). Install bolts (19). Tighten bolts (19) to a torque of
55 ± 10 N·m (41 ± 7 lb ft). Attach Tooling (A) and a suitable lifting device onto the transfer
gear case. The weight of the transfer gear case is approximately 340 kg (750 lb). Turn over
the transfer gear case. Remove Tooling (A).
Illustration 10 g00529214
13. Lower the temperature of bearing cup (12). Use Tooling (G) to install bearing cup (12) to
the transfer gear case. Check that bearing cup (12) is seated in the bore of the transfer gear
case.
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15. Illustration 11 g00529695
Illustration 12 g01048735
14. Position gear (11) in the transfer gear case. Install bearing cage (9) and shims (10). Install
bolts (28) that hold bearing cage (9) in position. Tighten bolts (28) to a torque of
55 ± 10 N·m (41 ± 7 lb ft).
15. Position Tooling (H) in the transfer gear case, as shown. Make sure that the dial indicator is
in contact with gear (11). Use a pry bar to move gear (11) up and down. Adjust shims (10)
to obtain an end play of 0.15 ± 0.05 mm (0.006 ± 0.002 inch). Tighten bolts (28) to a torque
of 55 ± 10 N·m (41 ± 7 lb ft).
Illustration 13 g00529211
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16. 16. Use Tooling (G) to install bearing cups (7) and (8) to the transfer gear case. Check that
bearing cups (7) and (8) is seated in the bore of the transfer gear case.
Illustration 14 g00529696
Illustration 15 g01048736
17. Position gear (6) in the transfer gear case with the internal snap ring groove facing up.
Install bearing cage (4) and shims (5). Install the bolts (29) that hold bearing cage (4) in
position. Tighten bolts (29) to a torque of 55 ± 10 N·m (41 ± 7 lb ft).
18. Attach Tooling (A) and a suitable lifting device to the transfer gear case. Place the transfer
gear case on wood blocks, as shown. Position Tooling (H) on the transfer gear case, as
shown. Make sure that the dial indicator is in contact with gear (6). Use a pry bar to move
gear (6) up and down. Adjust shims (5) to obtain an end play of 0.15 ± 0.05 mm
(0.006 ± 0.002 inch). Tighten bolts (29) to a torque of 55 ± 10 N·m (41 ± 7 lb ft).
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17. Illustration 16 g00529697
Illustration 17 g01048737
19. Position gear (3) in the transfer gear case. Install bearing cage (1) and shims (2). Install the
bolts (30) that hold bearing cage (1) in position. Tighten bolts (30) to a torque of
55 ± 10 N·m (41 ± 7 lb ft).
20. Position Tooling (H) on the transfer gear case, as shown. Make sure that the dial indicator is
in contact with gear (3). Use a pry bar to move gear (3) up and down. Adjust shims (2) to
obtain an end play of 0.15 ± 0.05 mm (0.006 ± 0.002 inch). Tighten bolts (30) to a torque of
55 ± 10 N·m (41 ± 7 lb ft).
End By:
a. Install the transmission oil pump. Refer to Disassembly and Assembly, "Transmission Oil
Pump - Install".
b. Install the transmission scavenge pump. Refer to Disassembly and Assembly, "Transmission
Scavenge Pump - Install".
c. Install the transmission oil filter base. Refer to Disassembly and Assembly, "Transmission
Oil Filter Base - Remove and Install".
d. Install the transfer gear case. Refer to Disassembly and Assembly, "Transfer Gears -
Install".
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18. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 627G WHEEL TRACTOR CEX
Configuration: 627G Wheel Tractor CEX00001-UP (MACHINE) POWERED BY 3406E Engine
Disassembly and Assembly
627G Wheel Tractor Power Train
Media Number -RENR4228-02 Publication Date -01/08/2007 Date Updated -17/08/2007
i02301157
Transfer Gears - Install - Off Chassis
SMCS - 3159-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 1
Illustration 1 g01050175
1. Install O-ring seals (5) to transmission (1). Install O-ring seal (4) to transfer gear assembly
(2) .
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19. Illustration 2 g00841290
Illustration 3 g01050174
2. Attach Tooling (A) and a suitable lifting device to transfer gear assembly (2), as shown. The
weight of transfer gear assembly (2) is approximately 340 kg (750 lb).
3. Connect transfer gear assembly (2) to transmission (1) .
4. Install the nuts and bolts (3) that hold transfer gear assembly (2) to transmission (1). Tighten
the nuts to a torque of 55 ± 10 N·m (41 ± 7 lb ft).
5. Remove Tooling (A) from transfer gear assembly (2) .
End By:
a. Install the speed sensor. Refer to Disassembly and Assembly, "Speed Sensor (Transmission)
- Install".
b. Install the transmission, the torque converter and the transfer gears. Refer to Disassembly
and Assembly, "Transmission, Torque Converter and Transfer Gears - Install".
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
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20. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 627G WHEEL TRACTOR CEX
Configuration: 627G Wheel Tractor CEX00001-UP (MACHINE) POWERED BY 3406E Engine
Disassembly and Assembly
627G Wheel Tractor Power Train
Media Number -RENR4228-02 Publication Date -01/08/2007 Date Updated -17/08/2007
i02038459
Transfer Gears - Install - In Chassis
SMCS - 3159-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 1
C 1/2 - 13 NC by 6 inch Threaded Rod 2
1. Clean all parts and inspect all parts. If any parts are worn or damaged, use new parts for
replacement.
2. Lubricate O-ring seals with the lubricant that is being sealed.
3. Install the O-ring seal to the transfer gear case.
4. Install Tooling (C) in the transmission case.
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21. Illustration 1 g00841340
5. Use Tooling (A) and a suitable lifting device to position the transfer gear case to the
transmission.
Illustration 2 g01048435
6. Remove Tooling (C). Install the nuts (not shown) and bolts (3) that secure the transfer gear
case to the transmission case. Tighten the nuts (not shown) and bolts (3) to a torque of 105 ±
20 N·m (77 ± 15 lb ft).
7. Install the piston pump for the cushion-hitch. Refer to Machine Systems Disassembly and
Assembly, "Piston Pump (Cushion-Hitch) - Install".
8. Install the vane pump for the hydraulic system and the steering system. Refer to Machine
Systems Disassembly and Assembly, "Vane Pump (Hydraulic and Steering) - Install".
9. Install the drive shaft. Refer to Disassembly and Assembly, "Drive Shaft - Remove and
Install".
10. Install the speed sensor. Refer to Disassembly and Assembly, "Speed Sensor (Transmission)
- Install".
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22. Illustration 3 g00527046
11. Install drain plugs (1) and (2). Fill the transmission case with oil. Refer to Operation and
Maintenance Manual for the appropriate oil and the procedure to fill the transmission case.
12. Install the power train guard. Refer to Disassembly and Assembly, "Power Train Guard
(Transmission) - Remove and Install".
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
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23. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 627G WHEEL TRACTOR CEX
Configuration: 627G Wheel Tractor CEX00001-UP (MACHINE) POWERED BY 3406E Engine
Disassembly and Assembly
627G Wheel Tractor Power Train
Media Number -RENR4228-02 Publication Date -01/08/2007 Date Updated -17/08/2007
i02036659
Torque Converter - Remove
SMCS - 3101-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-2420 Transmission Repair Stand 1
B 138-7575 Link Bracket 2
C 2P-8312 Retaining Ring Pliers 1
Start By:
A. Remove the transmission hydraulic control valve. Refer to Disassembly and Assembly,
"Transmission Hydraulic Control Valve - Remove".
B. Separate the transfer gears from the transmission. Refer to Disassembly and Assembly,
"Transfer Gears - Separate".
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24. Illustration 1 g01047833
1. Install the transmission onto Tooling (A) (not shown). Attach Tooling (B) and a suitable
lifting device to transmission planetary (1). Remove the bolts that hold transmission
planetary (1) to case (2) .
2. Remove transmission planetary (1) and torque converter (3) as a unit from case (2). The
weight of transmission planetary (1) and torque converter (3) as a unit is approximately 703
kg (1550 lb).
3. Position transmission planetary (1) and torque converter (3) as a unit onto blocks. Remove
Tooling (B) and the suitable lifting device from transmission planetary (1) .
4. Attach Tooling (B) and a suitable lifting device to case (2). Remove case (2) from Tooling
(A). The weight of case (2) is approximately 90 kg (200 lb).
Illustration 2 g01047917
5. Use Tooling (B) and a suitable lifting device to position transmission planetary (1) and
torque converter (3) onto Tooling (A) (not shown).
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25. Illustration 3 g01047918
6. Use Tooling (C) in order to remove retaining ring (4) from shaft (6). Remove washer (5)
from shaft (6) .
Illustration 4 g01047920
7. Remove nuts (7) that hold torque converter (3) to transmission planetary (1). Remove torque
converter (3) from transmission planetary (1). The weight of torque converter (3) is
approximately 70 kg (154 lb).
Copyright 1993 - 2021 Caterpillar Inc.
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26. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 627G WHEEL TRACTOR CEX
Configuration: 627G Wheel Tractor CEX00001-UP (MACHINE) POWERED BY 3406E Engine
Disassembly and Assembly
627G Wheel Tractor Power Train
Media Number -RENR4228-02 Publication Date -01/08/2007 Date Updated -17/08/2007
i02121675
Torque Converter - Disassemble
SMCS - 3101-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 2P-8312 Retaining Ring Pliers 1
B 1P-0510 Driver Group 1
C 3/8 by 16 Forcing Screw 2
Start By:
A. Remove the torque converter. Refer to Disassembly and Assembly, "Torque Converter -
Remove".
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism.
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27. Illustration 1 g01052899
1. Use Tooling (A) in order to remove retaining ring (1) from carriage support assembly (2).
Remove carriage support assembly (2) from hub (3). Use Tooling (B) and a suitable press in
order to remove the sleeve bearing from carriage support assembly (2) .
Illustration 2 g00525303
2. Remove bolts (4) and the washers from torque converter impeller (5). Remove bolts (6), the
washers, and clamp plate (7) from impeller hub (8) .
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28. Illustration 3 g00525304
3. Install Tooling (C) in torque converter impeller (5). Use Tooling in order to remove torque
converter impeller (5) and impeller hub (8) from housing (9) .
Illustration 4 g00525305
4. Remove metal seal ring (10) from torque converter impeller (5). Remove impeller hub (8)
from torque converter impeller (5) .
Illustration 5 g00525306
5. Remove thrust bearing (11) from carrier assembly (12) .
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29. Illustration 6 g00525308
Illustration 7 g00525309
6. Remove carrier assembly (12) and torque converter stator (13) as a unit from housing (9) .
7. Position carrier assembly (12) and torque converter stator (13), as shown. Use Tooling (A)
in order to remove retaining ring (14) from torque converter stator (13). Remove thrust race
(15) from torque converter stator (13) .
Illustration 8 g00525863
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30. Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
8. Remove freewheel rollers (16) and freewheel springs (17) from freewheel cam (18).
Remove torque converter stator (13) from carrier assembly (12) .
Illustration 9 g01080684
9. Use Tooling (A) in order to remove retaining ring (19) from torque converter stator (13).
Remove side plate (20) from torque converter stator (13) .
10. Use Tooling (B) and a suitable press in order to remove freewheel cam (18) (not shown)
from torque converter stator (13) .
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31. Illustration 10 g01052916
11. Remove thrust bearing (21) from carrier assembly (12). Remove sleeve bearing (22) from
carrier assembly (12) .
Illustration 11 g00525315
12. Remove torque converter turbine (23) and hub (3) as a unit from housing (9) .
Illustration 12 g01052922
13. Remove thrust bearing (24) and thrust race (25) from hub (3) .
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32. Illustration 13 g00525320
14. Position torque converter turbine (23), as shown. Remove thrust race (26) from hub (3). Put
an alignment mark on torque converter turbine (23) and hub (3) for installation purposes.
Remove bolts (27) from torque converter turbine (23) .
Illustration 14 g00525321
15. Remove clamp ring (28) and torque converter turbine (23) from hub (3) .
Illustration 15 g00525322
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33. 16. Remove thrust bearing (29) and thrust race (30) from housing (9) .
Illustration 16 g00528612
17. Remove bolts (31) and flange (32) from housing (9) .
Illustration 17 g00525323
18. Remove sleeve bearing (33) from flange (32) .
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
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34. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 627G WHEEL TRACTOR CEX
Configuration: 627G Wheel Tractor CEX00001-UP (MACHINE) POWERED BY 3406E Engine
Disassembly and Assembly
627G Wheel Tractor Power Train
Media Number -RENR4228-02 Publication Date -01/08/2007 Date Updated -17/08/2007
i02121676
Torque Converter - Assemble
SMCS - 3101-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 2P-8312 Retaining Ring Pliers 1
B 1P-0510 Driver Group 1
D 8T-5096 Dial Indicator Group 1
Illustration 1 g00528674
1. Use Tooling (B) and a suitable press in order to install sleeve bearing (33) to flange (32) .
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35. Illustration 2 g00528612
2. Install bolts (31) and flange (32) to housing (9). Tighten bolts (31) to the torque 120 ± 15
N·m (89 ± 11 lb ft).
Illustration 3 g00525322
3. Install thrust bearing (29) and thrust race (30) to housing (9) .
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36. Suggest:
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37. Illustration 4 g00525321
4. Install torque converter turbine (23) and clamp ring (28) to hub (3) .
Illustration 5 g00525320
5. Install bolts (27) to torque converter turbine (23). Tighten bolts (27) to a torque of 50 ± 7
N·m (37 ± 5 lb ft). Install thrust race (26) to hub (3) .
Illustration 6 g01052922
6. Install thrust race (25) and thrust bearing (24) to hub (3) .
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