Caterpillar Cat 140K Motor Grader (Prefix SZL) Service Repair Manual Instant Download.pdf

Service Repair Manual
Models
140K Motor Grader

Shutdown SIS
Previous Screen
Product: MOTOR GRADER
Model: 140K MOTOR GRADER SZL
Configuration: 140K Motor Grader SZL00001-UP (MACHINE) POWERED BY C7 Engine
Disassembly and Assembly
12K, 140K and 160K Motor Graders Power Train
Media Number -KENR8443-04 Publication Date -01/03/2017 Date Updated -28/03/2017
i03361130
Tandem and Cover - Remove and Install
SMCS - 4064-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 2
B 138-7576 Link Bracket 2
C 1U-9199 Lever Puller Hoist 1
Start By:
a. Remove the drive chains. Refer to the Disassembly and Assembly , "Drive Chain -
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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140K Motor Grader SZL00001-UP (MACHINE) POWERED BY C7 Engine(SEBP50...
2020/1/21
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

Illustration 1 g00999910
1. Install Tooling (A) on tandem housing assembly (1). Install Tooling (B) on the brake and
wheel spindle housing (2). Attach Tooling (C) and a suitable lifting device to Tooling (A)
and Tooling (B). The weight of the tandem housing assembly (1) is approximately 612 kg
(1350 lb).
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2. Disconnect hose assembly (3).
3. Remove bolts (4). Remove tandem housing assembly (1). The weight of tandem housing
assembly (1) is approximately 612 kg (1350 lb).
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4. Remove bolts (8), cover (7), and gasket (6).
Installation Procedure
Table 2
Required Tools
A 138-7575 Link Bracket 2
B 138-7576 Link Bracket 2
C 1U-9199 Lever Puller Hoist 1
D 155-0695 Thread Lock Compound 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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1. Install gasket (6) and cover (7).
2. Install bolts (8). Tighten bolts (8) to a torque of 27 ± 7 N·m (20 ± 5 lb ft).
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3. Install Tooling (A) on tandem housing (1). Install Tooling (B) on the brake and wheel
spindle housing (2). Attach Tooling (C) and a suitable lifting device to Tooling (A) and
Tooling (B).
4. Install tandem housing assembly (1). The weight of tandem housing assembly (1) is
approximately 612 kg (1350 lb).
5. Apply Tooling (D) to bolts (4). Install bolts (4). For the 140K, tighten bolts (4) to a torque
of 240 ± 40 N·m (177 ± 30 lb ft).
6. Connect hose assembly (3).
End By:
a. Install the drive chains. Refer to the Disassembly and Assembly manual, "Drive Chain -
Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Jan 21 17:41:35 UTC+0800 2020
7/7
2020/1/21

Shutdown SIS
Previous Screen
i05077309
Drive Sprocket - Remove and Install
SMCS - 4072-010
Removal Procedure
Start By:
A. Remove the tandem and the cover. Refer to Disassembly and Assembly, "Tandem and
Cover - Remove and Install".
1/4
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1. Remove bolt (1) and lock (2) . Remove nut (3) . Remove sprocket (4) . Remove sprocket
(5) .
Installation Procedure
Table 1
Required Tools
A 5P-4204 Wrench 1
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1. Install sprocket (5) . Install sprocket (4) and install nut (3) hand tight.
Note: Assemble so the teeth on both sprockets are not aligned (out of phase) with each
other.
2. Tighten the nut while you rotate the shaft. Use a soft faced hammer to tap the sprockets
while you tighten the nut.
3. Tighten nut (3) to a torque of 11.3 ± 1.13 N·m (100 ± 10 lb in).
4. Loosen nut (3) by one locking position and tap the sprockets to ensure that the bearings are
fully seated.
5. Tighten nut (3) in order to achieve a rolling torque of 3.95 ± 1.13 N·m (35 ± 10 lb in) above
the seal drag.
6. If nut (3) is in a locking position, install lock (2) and install bolt (1) .
Note: Bolt (1) must be replaced with a new bolt.
7. If nut (3) is not in a locking position, tighten nut (3) to the next locking position. With nut
(3) in the locking position, install lock (2) , and install bolt (1) .
End By: Install the tandem and the cover. Refer to Disassembly and Assembly, "Tandem and
Cover - Remove and Install".
3/4
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Shutdown SIS
Previous Screen
i03361203
Final Drive - Remove
SMCS - 4050-011
Removal Procedure
Start By:
a. Remove the tandem housing. Refer to Disassembly and Assembly, "Tandem Housing -
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.
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, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
1. Drain the power train oil into a suitable container for storage or disposal. Refer to Operation
and Maintenance Manual, "Oil Storage or Disposal".
1/2
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2. Attach a suitable lifting device to final drive (1). Remove nuts (2).
3. Remove final drive (1). Use pry bars (3) in order to balance final drive (1). The weight of
final drive (1) is approximately 272 kg (600 lb).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Jan 21 17:43:26 UTC+0800 2020
2/2
2020/1/21

Shutdown SIS
Previous Screen
i02186165
Final Drive - Disassemble
SMCS - 4050-015
Disassembly Procedure
Table 1
Required Tools
A 439-3938 Link Brackets 2
B 5P-4204 Wrench Assembly 1
Start By:
a. Remove the final drives. Refer to Disassembly and Assembly, "Final Drive - Remove"for
the correct procedure.
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1. Remove sun gear shaft (1) from housing (2).
2. Remove planetary carrier (3) from housing (2).
3. Remove locking bolts (5), the washers, and retainers (6) from planetary carrier (3).
4. Remove planetary shafts (4) to remove gear assemblies (7) from planetary carrier (3).
Note: Each gear assembly (7) consists of two washers (8), two roller assemblies (9), gear
(10) and planetary shaft (4).
Note: Mark the location of the components of the gear assemblies for assembly purposes.
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5. Remove retaining ring (11) and washer (12) from planetary carrier (3).
6. Remove locking bolts (13), the washers, and plates (14) to remove ring gear (15).
7. Remove ring gear (15) from the housing (2).
8. Remove locking bolt (18), the washer, and lock (16) which holds nut (17) to drive shaft
(19).
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Note: Notice that the lubrication holes (X) in sprockets (20) are in alignment. This will help
in assembly procedures.
9. Use Tooling (B) (not shown) to remove nut (17) from the drive shaft (19).
10. Remove two sprockets (20) from drive shaft (19).
11. Remove drive shaft (19) and two roller bearing cones from housing (2). One of the roller
bearing cones will be removed with drive shaft (19). The remaining roller bearing cone
must be removed from the other end of housing (2). This will be completed during Step 12.
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12. Remove roller bearing cone (21) from drive shaft (19).
13. Remove bolts (22), the hard washers, retainer (23), the shim pack (not shown), and 10 shims
(not shown) from housing (2).
14. Attach Tooling (A) to housing (25). Secure Tooling (A) to a suitable lifting device.
15. Remove thrust washer (24) from housing (25).
16. Remove the housing (26) from housing (25).
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17. Remove lip seal (27) from housing (25).
Note: Secure the pipe plug on housing (25) for assembly purposes.
18. Remove wear rings (28) from housing (26).
19. Remove thrust washer (29) from housing (26).
20. Remove lip seal (30) from housing (26).
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Caterpillar Cat 140K Motor Grader (Prefix SZL) Service Repair Manual Instant Download.pdf

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