Caterpillar Cat 140M 3 AWD MOTOR GRADER (Prefix N9J) Service Repair Manual Instant Download.pdf

Service Repair Manual
Models
140M 3 AWD MOTOR GRADER

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Product: MOTOR GRADER
Model: 140M 3 AWD MOTOR GRADER N9J
Configuration: 140M Series 3 Motor Grader-All Wheel Drive N9J00001-UP (MACHINE) POWERED BY C9.3 Engine
Disassembly and Assembly
12M Series 3, 140M Series 3 and 160M Series 3 Motor Graders Machine Systems
Media Number -UENR3488-02 Publication Date -01/09/2018 Date Updated -24/09/2018
i02649334
Piston Pump (Hydraulic and Steering) - Disassemble
SMCS - 4306-015; 5070-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Gp 1
B 1P-1857 Retaining Ring Pliers 1
C 1P-1861 Retaining Ring Pliers 1
Start By:
a. Remove the piston pump. Refer to Disassembly and Assembly, "Piston Pump (Hydraulic
and Steering) - Remove".
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Illustration 1 g01329899
1. Remove bolts (1) and valve (2).
2. Remove O-ring seals (3).
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.
3. Remove plug (9), the O-ring seal, retainer (8), spring (7), retainer (6), spool (5), plug (4),
and the O-ring seal.
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4. Remove plug (16), the O-ring seal, retainer (15), spring (14), rod (13), retainer (12), spool
(11), plug (10), and the O-ring seal.
5. Remove bolts (17) and head (18).
6. Remove piston (22), piston (21), spring (24), gasket (19), port plate (20), and bearing cup
(23).
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7. Remove bearing cone (25).
8. Remove shim (26), barrel (27), and dowel (28).
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9. Use Tooling (A), Tooling (B), and a suitable press in order to remove retaining ring (32)
from barrel (27).
10. Remove washer (31), spring (30), and washer (29).
11. Remove bolts (33) and cover (34).
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12. Remove O-ring seal (35).
13. Remove plug (36).
14. Remove shaft (37), bolts (39), and plates (38).
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15. Remove plates (40), retainer (41), and pistons (42).
16. Remove swashplate (43).
17. Remove screws (45), bearings (44), bearing cone (46), and bearing cup (47).
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18. Remove lip seal (50).
19. Use Tooling (C) in order to remove retaining ring (49).
20. Remove lip seal (48).
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Dec 29 19:00:36 UTC+0800 2019
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i02649335
Piston Pump (Hydraulic and Steering) - Assemble
SMCS - 4306-016; 5070-016
Assembly Procedure
1. Install lip seal (48).
2. Use Tooling (C) in order to install retaining ring (49).
3. Install lip seal (50).
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4. Install screws (45), bearings (44), bearing cone (46), and bearing cup (47).
5. Install swashplate (43).
6. Install shaft (37).
7. Install plug (36).
8. Install dowel (28).
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Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
9. Install washer (31), spring (30), and washer (29).
10. Use Tooling (A), Tooling (B) and a suitable press in order to install retaining ring (32) onto
barrel (27).
11. Install pistons (42) into retainer (41) and barrel (27).
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12. Install barrel (27).
13. Install shim (26) and bearing cone (25).
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14. Position plates (40) and plates (38).
15. Install bolts (39).
16. Install piston (22), piston (21), spring (24), gasket (19), port plate (20), and bearing cup
(23).
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injury.
17. Install bolts (17) and head (18).
injury.
18. Install retainer (15), spring (14), rod (13), retainer (12), spool (11), plug (10), and the O-ring
seal. Install plug (16) and the O-ring seal.
19. Install retainer (8), spring (7), retainer (6), spool (5), plug (4), and the O-ring seal. Install
plug (9) and the O-ring seal.
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20. Install O-ring seals (3).
21. Install bolts (1) and valve (2).
End By:
a. Install the piston pump. Refer to Disassembly and Assembly, "Piston Pump (Hydraulic and
Steering) - Install".
Sun Dec 29 19:01:32 UTC+0800 2019
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i05818515
Piston Pump (Hydraulic and Steering) - Install
SMCS - 4306-012; 5070-012
Installation Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: Check the O-ring seals for wear or for damage. Replace the components, if necessary.
1. Install O-ring seal (9) to piston pump (7).
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2. Attach a suitable lifting device to piston pump (7). The weight of piston pump (57) is
approximately 52 kg (115 lb). Use the suitable lifting device in order to position piston
pump (7) to the machine.
3. Install bolts (8).
4. Connect hose assembly (4) and (5). Connect bracket assembly (6).
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5. Connect harness assembly (1). Connect hose assemblies (2) and (3).
End By:
a. Install the piston pump (hydraulic fan). Refer to Disassembly and Assembly, "Piston Pump
(Hydraulic Pump)- Install".
Sun Dec 29 19:02:28 UTC+0800 2019
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i05819040
Piston Pump (All Wheel Drive) - Remove
SMCS - 5070-011-YW
Removal Procedure
Start By:
a. Remove the rear chassis support. Refer to Disassembly and Assembly, "Rear Chassis
Support - Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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, PERJ1017, "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.
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Caterpillar Cat 140M 3 AWD MOTOR GRADER (Prefix N9J) Service Repair Manual Instant Download.pdf

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Caterpillar Cat 140M 3 AWD MOTOR GRADER (Prefix N9J) Service Repair Manual Instant Download.pdf