Caterpillar cat 140 h motor grader (prefix xzh) service repair manual (xzh00001 and up)

Service Repair Manual
Models
140H Motor Grader

Shutdown SIS
Previous Screen
Product: MOTOR GRADER
Model: 140H MOTOR GRADER XZH
Configuration: 140H Motor Grader XZH00001-UP (MACHINE) POWERED BY 3306 Engine
Disassembly and Assembly
12H, 140H and 160H Motor Graders Machine Systems
Media Number -SENR8549-06 Publication Date -01/10/2011 Date Updated -12/10/2011
i01357831
Brake and Wheel Spindle Housing - Assemble
SMCS - 4002-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-8698 Duo-Cone Seal Installer 1
B 7M-3976 Adapter 1
Illustration 1 g00716677
1. Lower the temperature of bearing cup (24) and install the bearing cup in housing (17).
2. Make sure that the Duo-Cone seals for wheel spindle housing (17) are clean and dry. Make
sure that the wheel spindle is clean and dry. Make sure that all metal surfaces that make
1/5140H Motor Grader XZH00001-UP (MACHINE) POWERED BY 3306 Engine(SEBP...
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contact with the seals are clean and dry. Use Tool (A) in order to install Duo-Cone seal (18)
in wheel spindle housing (17) .
3. Use Tool (A) in order to install Duo-Cone seal (18) on wheel spindle (22). Put a small
amount of clean oil on the metal faces of the seals.
4. Heat bearing cone (23) in hot oil to a maximum temperature of 135 °C (275 °F). Install
bearing cone (23) on the shaft of wheel spindle (22).
5. Install small O-ring seal (21) on piston (19). Install large O-ring seal (20) on piston (19).
Install piston (19) in housing (17).
6. Install two 5/8 in - 11 NC Forged Eyebolts (16) in housing (17). Position a hoist to eyebolts
(16).
7. Put housing (17) in position on wheel spindle (22). Be careful not to damage the Duo-Cone
seals. Remove the hoist and remove eyebolts (16).

8. Put springs (15) in position on the studs.
9. Put washers (13) in position on the springs.
10. Put springs (15) in compression with Tooling (B).
11. Install rings (14) on the studs with snap ring pliers.
12. Slowly release the pressure on the springs.
13. Remove Tooling (B).
14. Install hub (11) on the wheel spindle.
15. Put clean SAE 30 oil on the discs and put clean SAE 30 oil on the disc assemblies.

16. Put plates (12) and friction discs (24) in position in wheel spindle housing (17). Start this
procedure by installing a plate first. There are ten plates and nine friction discs. Make sure
that there is a friction disc between each of the plates.
17. Install O-ring seal (9) in cover (6).
18. Lower the temperature of bearing cup (10) and install the bearing cup in cover (6).
19. Install O-ring seal (7) on cover (6). Put clean oil on the two O-ring seals.
20. Install two 5/8 in - 11 NC Forged Eyebolts in cover (6). Fasten a hoist to the eyebolts.
21. Put cover (6) in position on wheel spindle housing (17). Remove the hoist and remove the
eyebolts.
22. Install the bolts and install plate (8) that holds cover (6) to the housing.
23. Install bearing cone (5) on the wheel spindle and in cover (6).

24. Put sprocket (4) in position on the splines of the wheel spindle.
Note: The sprocket for the front brake and wheel spindle housing must be installed with the
teeth next to the cover. The sprocket for the rear brake and wheel spindle housing must be
installed with the teeth away from the cover.
25. Put retainer (2) in position on the wheel spindle without shims (25). Install bolts (1).
Tighten the bolts to a torque of 47 N·m (35 lb ft) while you rotate the housing relative to the
spindle. Without further rotation of the housing, remove the bolts and the retainer. Measure
the distance between the end of the sprocket and the wheel spindle.
26. Install the retainer and install shims (25). The thickness of the shims should be equivalent to
the distance that was measured in Step 25 minus 0.25 mm (.010 inch) to 0.38 mm (.015
inch). If additional shims are required, use 9D-7047 Shims. Install bolts (1) that hold
retainer (2) on the wheel spindle. Tighten the bolts to a torque of 260 ± 14 N·m (192 ± 10 lb
ft). Install the wire on bolts (1).
End By: Install the brake and wheel spindle housing.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Feb 13 12:18:18 UTC+0800 2020

Shutdown SIS
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i01357093
Brake and Wheel Spindle Housing - Install
SMCS - 4002-012
Installation Procedure
Table 1
Required Tools
A 138-7575 Link Bracket 1
1. Fasten Tool (A) to the brake and wheel spindle housing (3). Position a suitable lifting device
to Tool (A). Secure the lifting device to a hoist. The weight of the brake and wheel spindle
housing is 160 kg (353 lb).
2. Position brake and wheel spindle housing (3) on the tandem housing.

3. Install sixteen bolts (5) and the sixteen washers that hold brake and wheel spindle housing
(3) to the tandem housing.
4. Remove the hoist, the lifting device, and tool (A) from the brake and wheel spindle housing
(3) .
5. Install air tube (4) onto brake and wheel spindle housing (3) and the junction block that is
on the tandem housing.

6. Position guard (1) onto brake and wheel spindle housing (3). Install two bolts (2) and the
washers that hold guard (1) to brake and wheel spindle housing (3) .
,
End By: Install the drive chain. Refer to Disassembly and AssemblySENR8548, "Drive Chain -
Install" for the proper procedure.
Thu Feb 13 12:19:13 UTC+0800 2020

Shutdown SIS
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i01360070
Parking Brake - Remove
SMCS - 3275-011; 4267-011
Removal Procedure
Table 1
Required Tools
A 1U-9753 Transmission Jack 1
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 Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.

Hot oil and hot components can cause personal injury. Do not allow hot
oil or hot components to contact the skin.
Note: Cleanliness is an important factor. Before the removal procedure, the exterior of the
component should be thoroughly cleaned in order to prevent contamination.
Note: Install caps and plugs on all openings in order to prevent system contamination. For
ease of identification, mark all hose assemblies, tube assemblies, wire harnesses, and cables.
1. Drain the transmission oil into a suitable container for storage or disposal. The capacity of
the power train system is 47 L (12 US gal).
2. Remove bolts (1), the washers, bolts (2) and the washers from two guards (3). Remove two
guards (3) from the front of the transmission.
3. Remove four bolts (4), the nuts, four bolts (5) and the washers from universal joint group
(6). Remove universal joint group (6) from the drive shaft.

Do not disconnect the air lines until the air pressure in the system is at
zero. If hose is disconnected under pressure it can cause personal
injury.
4. Release the air pressure from the air tank.
5. Disconnect air tube (8) from the parking brake housing.
6. Remove bolt (9) and remove the washer that holds yoke (10) to the transmission shaft.
7. Remove yoke (10) and the O-ring seal from the transmission shaft.
8. Remove yoke (7) from the differential.
9. Remove ten bolts (11) from parking brake housing (12). Leave one bolt at the top and one
bolt at the bottom of parking brake housing (12) in order to support the parking brake
housing.

10. Attach Tooling (A) to parking brake housing (12).
11. Remove remaining bolts (11) from parking brake housing (12). Remove parking brake
housing (12) from the transmission.
12. Remove plug (13) and remove O-ring seal (14) from parking brake housing (12).
13. Remove plug (15) and remove O-ring seal (16) from parking brake housing (12).

14. Remove six bolts (19) and remove the washers from piston (17). Remove piston (17) from
parking brake housing (12).
15. Remove O-ring seal (18) from parking brake housing (12) .
16. Remove plug (20) from piston (17).

17. Turn piston (17) over 180 degrees. Separate piston (21) from piston (17).
18. Remove O-ring seal (22) from piston (21).
19. Remove 20 springs (23) and remove 20 springs (24) from parking brake housing (12).

20. Remove O-ring seal (25) from parking brake housing (12).
21. Remove lip seal (26) from parking brake housing (12).
22. Remove O-ring seal (27) from parking brake housing (12).
23. Remove O-ring seal (28) from parking brake housing (12) .

24. Remove six clutch plates (29) and remove five friction discs (30) from the transmission.
25. Remove six reaction dowels (31) from the transmission.
26. Remove clutch hub (32) from the transmission.
Thu Feb 13 12:20:09 UTC+0800 2020

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i01360315
Parking Brake - Install
SMCS - 3275-012; 4267-012
Installation Procedure
Table 1
Required Tools
A 1U-9753 Transmission Jack 1
Note: Check the condition of all of the O-ring seals. If any of the seals are damaged, use
new parts for replacement.
Note: Cleanliness is an important factor. Before the installation procedure, all of the
components of the parking brake should be thoroughly cleaned in order to prevent
contamination.

1. Install clutch hub (32) to the transmission.
2. Install six reaction dowels (31) in the transmission.
3. Install six clutch plates (29) and install five friction discs (30) into the transmission. A
clutch plate should be installed first. Install the clutch plates and the friction discs in
alternating order.

4. Install lip seal (26) to parking brake housing (12). The sealing lip must face the side of the
parking brake housing that faces the transmission. Lubricate the lip of the lip seal with clean
transmission oil.
5. Install O-ring seal (27) in parking brake housing (12). Lightly lubricate O-ring seal (27)
with clean transmission oil.
6. Install O-ring seal (28) in parking brake housing (12).
7. Install O-ring seal (25) to parking brake housing (12). Lightly lubricate O-ring seal (25)
with clean transmission oil.
8. Install 20 springs (23) and 20 springs (24) in parking brake housing (12).

Caterpillar cat 140 h motor grader (prefix xzh) service repair manual (xzh00001 and up)

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