The document provides instructions for assembling a travel motor. It describes 33 steps to install parts like seals, pistons, plates, and bearings. Measurements are checked with tools at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...fucheng89
The document provides instructions for assembling a travel motor. It lists the required tools and begins by noting the importance of cleanliness. It then provides 33 steps detailing how to install seals, spacers, pistons, disks, bearings and other components into the travel motor housing. It concludes by noting the travel motor should be filled with oil prior to operation.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...f89siekkmdmm2w
The document provides instructions for assembling a travel motor. It describes 33 steps to install parts like seals, pistons, plates, disks and shafts. Measurements are checked with tools at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...f8uejkdkdmm3e
This document provides instructions for installing a travel motor on an excavator. It outlines 33 steps for assembling components like seals, pistons, plates, and valves. Proper measurement is required at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system. The motor must be filled with the specified oil type before operation.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...shibi1322
The document provides instructions for assembling a travel motor. It describes 33 steps to install parts like seals, pistons, plates, disks and shafts. Measurements are checked with tools at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...8foskkdjdkdm3e
This document provides instructions for installing a travel motor. It outlines 33 steps for assembling components like seals, pistons, plates, and valves. Measurements are checked at several points to ensure proper assembly. The motor is filled with oil at the end to prevent damage before operation.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...jiazhi27185
The document provides instructions for assembling a travel motor. It describes 33 steps including installing seals, spacers, pistons, disks, and other components in the proper order and orientation. Measurements are checked at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system.
Caterpillar cat 349 d l excavator (prefix wtd) service repair manual (wtd0000...didkkskdmmd
The document provides instructions for assembling a travel motor. It lists the required tools and begins by noting the importance of cleanliness. It then provides 33 steps describing how to install seals, spacers, pistons, disks, bearings and other components into the travel motor housing and barrel. It concludes by stating the travel motor should be filled with the correct oil specification prior to operation.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual (WTD00001...km7seyrduhdw
The document provides instructions for assembling a travel motor. It describes 33 steps to install parts like seals, pistons, plates, disks and shafts. Measurements are checked with tools at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...fucheng89
The document provides instructions for assembling a travel motor. It lists the required tools and begins by noting the importance of cleanliness. It then provides 33 steps detailing how to install seals, spacers, pistons, disks, bearings and other components into the travel motor housing. It concludes by noting the travel motor should be filled with oil prior to operation.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...f89siekkmdmm2w
The document provides instructions for assembling a travel motor. It describes 33 steps to install parts like seals, pistons, plates, disks and shafts. Measurements are checked with tools at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...f8uejkdkdmm3e
This document provides instructions for installing a travel motor on an excavator. It outlines 33 steps for assembling components like seals, pistons, plates, and valves. Proper measurement is required at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system. The motor must be filled with the specified oil type before operation.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...shibi1322
The document provides instructions for assembling a travel motor. It describes 33 steps to install parts like seals, pistons, plates, disks and shafts. Measurements are checked with tools at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...8foskkdjdkdm3e
This document provides instructions for installing a travel motor. It outlines 33 steps for assembling components like seals, pistons, plates, and valves. Measurements are checked at several points to ensure proper assembly. The motor is filled with oil at the end to prevent damage before operation.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...jiazhi27185
The document provides instructions for assembling a travel motor. It describes 33 steps including installing seals, spacers, pistons, disks, and other components in the proper order and orientation. Measurements are checked at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system.
Caterpillar cat 349 d l excavator (prefix wtd) service repair manual (wtd0000...didkkskdmmd
The document provides instructions for assembling a travel motor. It lists the required tools and begins by noting the importance of cleanliness. It then provides 33 steps describing how to install seals, spacers, pistons, disks, bearings and other components into the travel motor housing and barrel. It concludes by stating the travel motor should be filled with the correct oil specification prior to operation.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual (WTD00001...km7seyrduhdw
The document provides instructions for assembling a travel motor. It describes 33 steps to install parts like seals, pistons, plates, disks and shafts. Measurements are checked with tools at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system.
Caterpillar Cat 349D L Excavator (Prefix WTD) Service Repair Manual Instant D...yin9niaojiao
This document provides instructions for installing a travel motor. It outlines 33 steps including installing seals, spacers, pistons, disks, bearings and other components. Measurements are taken throughout to ensure proper assembly. O-rings and seals must be replaced and components cleaned to prevent contaminating the hydraulic system.
Caterpillar cat 349 d l excavator (prefix wtd) service repair manual (wtd0000...cdsaas
The document provides instructions for assembling a travel motor. It describes 33 steps to install parts like seals, pistons, plates, and bearings. Measurements are checked with tools at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system.
Caterpillar cat 349 d l excavator (prefix wtd) service repair manual (wtd0000...fjskekxcddmmme
This document provides instructions for installing a travel motor on an excavator. It outlines 33 steps for assembling components like seals, pistons, plates, and bearings inside the motor housing. Measurements are checked at several points to ensure proper assembly. Finally, the motor is filled with oil and installed on the excavator.
Caterpillar cat 349 d l excavator (prefix wtd) service repair manual (wtd0000...hhfjksekmm
This document provides instructions for installing a travel motor on an excavator. It outlines 33 steps for assembling components like seals, pistons, plates, and valves. Proper measurement is required at several steps to ensure correct assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system. The motor must be filled with the specified oil type before operation.
Caterpillar Cat 345D L Excavator (Prefix MLK) Service Repair Manual Instant D...fijsekkdmdm2w
This document provides instructions for installing a travel motor. It outlines 33 steps for assembling components like seals, pistons, plates, and valves. Measurements are checked at several points to ensure proper assembly. Cleanliness is emphasized to prevent contaminating the hydraulic system.
Caterpillar Cat 345D L Excavator (Prefix MLK) Service Repair Manual Instant D...fujkskemdmdm4r
This document provides instructions for assembling and installing a travel motor. It outlines 34 steps for assembling components like pistons, seals, plates, and bearings. It also describes using tools to measure clearances and distances during assembly. Finally, it details installing the assembled travel motor using lifting devices and bolts, and connecting hydraulic hose assemblies.
This document provides instructions for removing and installing the transmission transfer gears on a Caterpillar 651E wheel tractor. The process involves removing 18 components from the transfer gears including gears, couplings, bearings, seals and bolts. Reinstallation is the reverse of the removal process and includes checking bearing end play and installing new seals. Proper heating and pressing of bearings is required during assembly.
This document provides instructions for removing and installing a camshaft on a Caterpillar 651E wheel scraper model. It describes using various tools to support the camshaft and guide it out of and back into the cylinder head. Precautions are listed to keep the camshaft level and aligned during removal and installation to avoid damage. Lubrication of parts and use of thread lock compound are also specified in the multi-step procedures.
This document provides instructions for removing and installing the rear crankshaft seal on a Caterpillar 651E wheel scraper. The removal procedure involves using a slide hammer puller to pull the rear crankshaft seal from the flywheel housing. The installation procedure specifies heating the new seal before pressing it into the flywheel housing with a driver plate until it is fully seated. Proper cleaning and lubrication of parts is emphasized to prevent contamination.
Caterpillar Cat 651 and 651B WHEEL SCRAPER (Prefix 45M) Service Repair Manual...shibi1322
The document provides instructions for disassembling and assembling various components of a 651B Wheel Scraper transmission and transfer gear, including:
- Removing the transmission transfer gear, governor drive shaft, clutches, valve groups, manifolds, and oil filter base.
- Disassembling the transmission transfer gear, governor, and individual valve bodies.
- Assembling the transmission transfer gear, governor, and individual valve bodies.
- Removing and installing the entire transmission, including draining fluid and disconnecting/reconnecting lines and linkages.
Caterpillar Cat 650B and 660B WHEEL TRACTOR (Prefix 58K) Service Repair Manua...shibi1322
This document provides instructions for removing the camshaft from Caterpillar 650B and 660B wheel tractors. It involves removing several other components first, including the camshaft gear and rocker arms. Tools are then used to support the camshaft as it is moved out of the cylinder head and into a guide tool to prevent damage to the camshaft bearings during removal.
The document provides instructions for disassembling and assembling the transmission, differential, transfer gear, and retarder of a Caterpillar 641 wheel scraper. It details removing and installing various components such as gears, bearings, shafts, pumps, and housings. Detailed steps are provided for tasks like draining fluids, loosening bolts, using hoists and tools, adjusting clearances, and torquing fasteners.
This document provides instructions for removing and installing various components of a Caterpillar 3306 engine, including:
1. Removing and installing the spacer plate, water directors, lifter group, camshaft, and camshaft bearings.
2. Detailed procedures are given for each component, including required tools and special notes about cleaning, lubrication, and ensuring proper timing.
3. The document is part of a service repair manual for a Caterpillar 639D wheel scraper model powered by a 3306 engine.
This document provides instructions for disassembling and assembling the torque converter of a 637K Wheel Tractor Scraper. It describes removing 24 individual parts in 24 steps, including housing assemblies, clutch pistons, friction disks, bearings, gears, and seals. It then describes assembling the torque converter in 25 steps by reversing the removal process and provides torque specifications for fasteners. The goal is to separate, remove, and reassemble each component of the torque converter.
This document provides instructions for disassembling and assembling the torque converter of a 637K Wheel Tractor Scraper. It describes 18 steps to disassemble the torque converter by removing parts like the retaining rings, bolts, thrust bearings, and seals. It then describes 24 steps to reassemble the torque converter by installing the parts in the reverse order, applying locking adhesive and heating components as needed. Tools required include retaining ring pliers, drivers, pullers, and link brackets to lift heavy components.
The document provides instructions for disassembling various components of a 637G wheel tractor, including the transfer gears, torque converter, and transmission. The transfer gear case is first removed from the transmission. Then the torque converter is disassembled by removing components like the impeller, carrier assembly, stator, and turbine. Finally, instructions are given to disassemble the transfer gears by removing items such as bearings and seals using various specialty tools.
This document provides disassembly instructions for the transmission planetary system of a 637G Wheel Tractor. It outlines 50 steps to fully disassemble the transmission, including removing clutch housings, carrier assemblies, shafts, gears, plates, rings, seals and other components. Special care must be taken when removing components under spring pressure. Various tools are required to properly support, secure and remove parts from the transmission.
This document provides instructions for disassembling a torque converter in a 637G wheel tractor. It lists 32 steps to remove various components of the torque converter including carriers, gears, shafts, seals, and housings. Tools required are also listed, such as retaining ring pliers, driver groups, pullers, and link brackets. Care must be taken to contain fluids and protect parts from contamination.
This document provides assembly instructions for a torque converter in a 637G wheel tractor-scraper. It details 31 steps to assemble the torque converter, including installing seals, gears, shafts, bearings and housings in the proper order and with specified torques. It also provides disassembly instructions for the transfer gears in 18 steps, removing components like seals, bolts, cages and shafts. Tools required include drivers, pullers, link brackets and dial indicators.
This document provides assembly instructions for a torque converter in a 637G wheel tractor. It outlines 33 steps to assemble the various components of the torque converter like bearings, seals, gears, and housing. Proper cleaning and torque specifications are noted. Additionally, the document describes disassembly and assembly procedures for transfer gears in the wheel tractor, including removing 18 components like bolts, seals, and bearings. Tools required are listed for both procedures.
The document provides instructions for disassembling and assembling the torque converter of a 637G Wheel Tractor. It describes removing over 30 individual components in multiple steps, including removing the torque converter housing, retarder, gears, bearings, seals and other internal parts. Detailed illustrations accompany each step. Cleanliness is emphasized to prevent contaminating the hydraulic system.
This document provides instructions for removing and installing a cylinder head, lifter group, and camshaft on a Caterpillar 3408E or 3412E engine. The removal process involves detaching various components and hoses from the cylinder head and loosening bolts. Special tools are required to safely lift and handle parts due to their heavy weight. The installation follows the reverse order and specifies applying sealant and oil to parts and tightening bolts in a sequence with a torque wrench. Precautions are given to keep parts clean and contain fluids.
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This document provides instructions for removing and installing the transmission transfer gears on a Caterpillar 651E wheel tractor. The process involves removing 18 components from the transfer gears including gears, couplings, bearings, seals and bolts. Reinstallation is the reverse of the removal process and includes checking bearing end play and installing new seals. Proper heating and pressing of bearings is required during assembly.
This document provides instructions for removing and installing a camshaft on a Caterpillar 651E wheel scraper model. It describes using various tools to support the camshaft and guide it out of and back into the cylinder head. Precautions are listed to keep the camshaft level and aligned during removal and installation to avoid damage. Lubrication of parts and use of thread lock compound are also specified in the multi-step procedures.
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Caterpillar Cat 651 and 651B WHEEL SCRAPER (Prefix 45M) Service Repair Manual...shibi1322
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2. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 349D L EXCAVATOR KHS
Configuration: 349D L Excavators KHS00001-UP (MACHINE) POWERED BY C13 Engine
Disassembly and Assembly
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile
Hydraulic Power Units Machine Systems
Media Number -RENR9574-10 Publication Date -01/08/2014 Date Updated -18/09/2018
i03778971
Travel Motor - Assemble
SMCS - 4351-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 3E-3879 Eyebolt 1
D 4C-8359 Eyebolt 1
F 1P-1862 Pliers 1
G 1P-0510 Driver Group 1
J 4C-4030 Thread Lock Compound 1
K 180-6533 Seal Driver 1
L 6V-7030 Micrometer Depth Gauge 1
M 8T-0447 Calipers 1
N 1U-6396 O-Ring Assembly Compound 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.
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3. 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.
Note: If a failure occurs, an accurate diagnosis of the cause can prevent a recurrence. Information
is available to analyze failures for piston pumps and motors. Refer to Special Publication,
SEBD0641, "Analyzing Axial Piston Pump and Motor Failures".
Note: Inspect all parts. If any parts are worn or damaged use new parts for replacement. The
installation of used parts during reconditioning is acceptable. Reuse and salvage information is
available on piston pumps. Refer to Guideline For Reusable Parts and Salvage Operations,
SEBF8032, "Piston Pumps and Motors". During reconditioning, correct any conditions that might
have caused the original failure.
Note: O-ring seals , gaskets, and seals should always be replaced. A used O-ring seal may not
have the same sealing properties as a new O-ring seal. Use Tooling (H) during the assembly
procedure.
Note: Apply a light film of "10W" oil to all components before assembly.
Illustration 1 g01204890
1. Install O-ring seal (34) on plug (33).
2. Install piston (32) and the plug in the travel motor body. Tighten the plug to a torque of
430 ± 40 N·m (317 ± 30 lb ft).
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4. Illustration 2 g01204916
Illustration 3 g01204919
3. Apply a thin coat of Tooling (J) on the outer surfaces of lip seal (31).
4. Use Tooling (K) and a suitable hammer to drive the lip seal into the travel motor body.
Drive the seal downward until Tooling (K) makes contact with the travel motor housing.
5. Use Tooling (F) to install retaining ring (30) to the shaft end of the travel motor body.
Illustration 4 g01204923
6. Install keys (29) inside the travel motor body.
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5. Illustration 5 g01204924
7. Assemble washers (25), inner spacer (28) and outer spacer (27) in the proper orientation, as
shown.
Illustration 6 g01204931
8. Use Tooling (L) to measure the distance from the outer spacer to the surface of the table.
The distance should be 22.1 ± 0.6 mm (0.87 ± 0.02 inch). If this measurement is off, check
orientation of the washers. If orientation is correct, replace washers and spacers with new
parts.
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6. Illustration 7 g00625917
9. Install inner spacer (28), washers (25), and outer spacer (27) to barrel (24).
10. Install guide (26) to the barrel.
Illustration 8 g00625911
11. Install piston assemblies (23) with retainer (22) in the piston assembly's original bore in
barrel (24).
Illustration 9 g00625908
12. Install cam plate (21) on the rotating group.
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7. Illustration 10 g00666621
Illustration 11 g00628062
13. Use a suitable press to install bearing (19) onto shaft assembly (18).
Illustration 12 g00668076
14. Use a suitable press in order to install inner race (20) onto shaft assembly (18).
Note: Place the two support plates under the lip of shaft assembly (18).
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8. Illustration 13 g00626633
15. Insert shaft assembly (18) in the rotating group.
Illustration 14 g00625891
Illustration 15 g00666743
16. Alternate disks (17) and separator plates (16) into the travel motor housing. Start with a
separator plate and end with a separator plate.
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9. Illustration 16 g00626837
17. Attach Tooling (D) to the shaft. Use a suitable lifting device in order to place barrel
assembly into the travel motor body.
Note: Align the notches of the cam plate with the keys in the travel motor body before you
lower the barrel assembly into the travel motor body.
Illustration 17 g01204938
18. Use Tooling (M) to measure the depth from the top surface of the travel motor body to the
bronze face of the barrel assembly. The distance should be 32.2 ± 2 mm (1.27 ± 0.08 inch).
If this measurement is off, check orientation of the barrel assembly. Also check if the cam
plate is properly seated on the keys.
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10. Illustration 18 g00625888
Illustration 19 g00667938
(15) O-Ring seals
19. Install O-ring seals (15) and the backup rings on the brake piston.
Note: Make sure that you install the backup ring and the O-ring seal in the original position.
Refer to Illustration 19.
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11. Illustration 20 g00629015
20. Install brake piston (14) in the body of the travel motor by hand. It may be necessary to use
a soft faced hammer to seat the brake piston correctly.
Illustration 21 g01204953
21. Use Tooling (M) to measure the distance from the top of the brake piston (14) to the top
surface of the travel motor body. The distance should be 20.8 ± 1.0 mm (0.82 ± 0.04 inch).
If this measurement is off, drive the brake piston further into the travel motor body.
Illustration 22 g00627391
22. Install springs (12) and plate (11).
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12. 23. Install O-ring seals (13).
Illustration 23 g01204965
24. Use Tooling (G) to drive the bearing into the head.
Illustration 24 g00627405
25. Install O-ring seal (9) onto the head.
26. Install port plate (8) on the head. It may be necessary to apply a small amount of grease to
the port plate in order to hold the port plate in place during the installation of the head.
Illustration 25 g01205007
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13. 27. Turn over head (6). Install Tooling (A) onto the head. Use a suitable lifting device to install
the head onto the travel motor.
Illustration 26 g00631594
28. Install Pins (7) into the head.
Illustration 27 g00628657
29. Install an O-ring on each plug (5).
30. Install bolts (4) which hold the head in place. Tighten the six bolts to a torque of
530 ± 70 N·m (391 ± 52 lb ft).
31. Install plugs (5) that hold the pins in the head. Tighten the plugs to a torque of 75 ± 7 N·m
(55 ± 5 lb ft).
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14. Illustration 28 g00624938
32. Install O-ring seals (2) and rings (3) on the displacement change valve.
Illustration 29 g00627438
33. Install displacement change valve (1) onto the head of the travel motor. Tighten the
displacement change valve to a torque of 50 ± 3 N·m (37 ± 2 lb ft).
34. To prevent possible damage to the travel motor, the unit should be filled with oil at least up
to the fill port prior to operation. Refer to Operation and Maintenance Manual for the
correct oil specification.
End By:
a. Install the travel motor. Refer to Disassembly and Assembly, "Travel Motor - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Aug 20 15:03:17 UTC+0800 2020
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15. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 349D L EXCAVATOR KHS
Configuration: 349D L Excavators KHS00001-UP (MACHINE) POWERED BY C13 Engine
Disassembly and Assembly
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile
Hydraulic Power Units Machine Systems
Media Number -RENR9574-10 Publication Date -01/08/2014 Date Updated -18/09/2018
i02429546
Travel Motor - Install
SMCS - 4351-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A -
Threaded Rod
M 20 X 2.5 by 18 inch
2
B 140-7742 Sleeve 1
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned
in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts.
Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are
worn or damaged, use new parts for replacement.
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16. Illustration 1 g01213930
Illustration 2 g01213930
1. Install Tooling (A) as a guide. Attach Tooling (B) and a suitable lifting device onto travel
motor (4). The weight of travel motor assembly (4) is approximately 127 kg (280 lb).
Position travel motor assembly (4) and install bolts (3).
Illustration 3 g01213929
2. Install bolts (2). Connect hose assemblies (1).
End By:
a. Install the counterbalance valve. Refer to Disassembly and Assembly, "Counterbalance
Valve (Travel) - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Aug 20 15:04:13 UTC+0800 2020
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17. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 349D L EXCAVATOR KHS
Configuration: 349D L Excavators KHS00001-UP (MACHINE) POWERED BY C13 Engine
Disassembly and Assembly
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile
Hydraulic Power Units Machine Systems
Media Number -RENR9574-10 Publication Date -01/08/2014 Date Updated -18/09/2018
i02429611
Final Drive and Travel Motor - Remove
SMCS - 4050-011; 4351-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A Block 1
B
1U-6221 Hydraulic Torque Wrench Assembly 1
132-8154 3/4 inch Square Drive Link 1
132-8223 Power Pack 1
C 138-7575 Link Bracket 2
Note: The final drive sprocket does not need to be removed prior to removal of the final drive.
The sprocket must be removed in order to disassemble the final drive.
Note: The procedure to remove the right hand final drive and the procedure to remove the left
hand final drive is identical. The procedure that follows is for one of the final drives.
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.
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18. 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.
1. Release track tension. Refer to Operation and Maintenance Manual, "Track Adjustment -
Adjust".
Illustration 1 g01213996
2. Start the machine and position track roller (1) on Tooling (A). Make sure that the pin for
separating the track is positioned over the final drive.
3. Separate the track. Refer to Disassembly and Assembly, "Track - Seperate".
4. Drain the final drive. Refer to Operation and Maintenance Manual, "Final Drive Oil -
Change".
5. Remove the counterbalance valve. Refer to Disassembly and Assembly, "Counterbalance
Valve - Remove and Install".
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19. Illustration 2 g01214021
6. Attach two lifting slings and a suitable lifting device to final drive (2), as shown. It may be
necessary to adjust the lifting straps for correct balance of the final drive.
Illustration 3 g01214049
Illustration 4 g01214023
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20. 7. Disconnect hose assemblies (3). Remove fittings (4) and bolts (5).
8. Use Tooling (B) to remove bolts (5) and the washers that hold the final drive to the
undercarriage frame assembly. Carefully remove the final drive and the travel motor from
the undercarriage frame assembly. The combined weight of the final drive and the travel
motor is 725 kg (1600 lb).
Illustration 5 g01214002
9. Invert final drive assembly (6) onto the cover, as shown.
10. Attach Tooling (C) and a suitable lifting device in order to remove travel motor (6). The
weight of travel motor assembly (6) is approximately 127 kg (280 lb). Remove travel motor
assembly (6).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Aug 20 15:05:09 UTC+0800 2020
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21. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 349D L EXCAVATOR KHS
Configuration: 349D L Excavators KHS00001-UP (MACHINE) POWERED BY C13 Engine
Disassembly and Assembly
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile
Hydraulic Power Units Machine Systems
Media Number -RENR9574-10 Publication Date -01/08/2014 Date Updated -18/09/2018
i05331566
Final Drive - Disassemble
SMCS - 4050-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-2420 Transmission Stand Group 1
B 138-7573 Link Bracket 2
C 1P-1860 Retaining Ring Pliers 1
D 4C-8359 Eyebolt 3
E 4C-8359 Eyebolt 2
F 138-7574 Link Bracket 2
Start By:
A. Remove the final drive. Refer to Disassembly and Assembly, "Final Drive and Travel Motor
- Remove" in this manual.
1. Thoroughly clean the outside of the final drive and travel motor prior to disassembly.
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22. Illustration 1 g01207795
2. Remove coupling (1) from final drive (2) .
3. Attach a suitable lifting device to the final drive, and turn final drive (2) over 180 degrees.
The weight of final drive (2) is approximately 590 kg (1300 lb).
Illustration 2 g01207796
4. Attach the final drive to Tooling (A) . Put an alignment mark across the sections of the final
drive for assembly purposes. All parts must be reinstalled in the original locations.
5. Remove socket head screws (3) from the final drive cover.
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23. Illustration 3 g01207801
6. Attach Tooling (B) and a suitable lifting device to cover (5) , as shown. The weight of cover
(5) is approximately 52 kg (115 lb).
7. Remove bolts (4) and the washers that hold the cover in place.
8. Use a soft faced hammer in order to break the seal between cover (5) and the ring gear.
Remove cover (5) . The weight of cover (5) is 52 kg (115 lb).
Illustration 4 g01207835
9. Remove spacer (6) from the cover.
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24. Illustration 5 g01207845
10. Remove shims (7) from the cover.
11. Remove socket head bolts (8) and ring gear (9) from the cover.
Illustration 6 g01207864
12. Remove sun gear (10) from carrier assembly (11) . Remove carrier assembly (11) by lifting
the carrier assembly straight up.
13. Disassemble carrier assembly (11) , as follows:
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25. Suggest:
If the above button click is invalid.
Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading
26. Illustration 7 g01207865
a. Remove spacers (12) . A spacer is located on each side of the sun gear in carrier
assembly (11) .
Note: Planetary gears (15) might be stamped with identification marks "L". Note the
position of the identification marks in relation to the carrier for assembly purposes.
Illustration 8 g01207897
b. Remove retaining ring (13) with Tooling (C) .
c. Remove thrust washers (14) and planetary gear (15) from the carrier.
d. Remove bearing (16) from the planetary gear.
e. Repeat Steps 13.b through 13.d for the other two planetary gears.
Illustration 9 g01208035
f. Use a screwdriver in order to remove retaining ring (17) from the carrier. Remove sun
gear (18) from the carrier.
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