Caterpillar Cat 140M 3 MOTOR GRADER (Prefix N9M) Service Repair Manual Instant Download.pdf

Service Repair Manual
Models
140M 3 MOTOR GRADER

Shutdown SIS
Previous Screen
Product: MOTOR GRADER
Model: 140M 3 MOTOR GRADER N9M
Configuration: 140M Series 3 Motor Grader N9M00001-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
i02872843
Bank Valve - Remove - Front Frame
SMCS - 5051-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 311-1362 Vacuum Cap 1
B 138-7573 Link Bracket 2
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.
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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...
2020/1/1
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...

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.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for
installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this
helps to keep contaminants from entering the system.
1. Lower the blade to the ground.
2. Release the system pressure. Refer to Operation and Maintenance Manual, "System
Pressure - Release".
Illustration 1 g01368952
3. Install Tooling (A) onto the hydraulic tank. Attach an air supply hose onto Tooling (A).
Apply 138 kPa (20 psi). This procedure will pull a vacuum on the hydraulic system.
4. Loosen bolts (1). Remove bolts (2). Use two people in order to remove cover (3). The
weight of cover (3) is approximately 32 kg (70 lb).
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5. Disconnect tube assemblies (4) and tube assemblies (5).
6. Disconnect harness assembly (6). Repeat this step for the opposite side.
7. Disconnect hose assemblies (7) and hose assemblies (8).
8. Disconnect tube assemblies (9). Disconnect tube assembly (10). Disconnect tube assembly
(11).
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9. Disconnect tube assembly (12).
10. Attach Tooling (B) and a suitable lifting device onto bank valve (13). The weight of bank
valve (13) is approximately 73 kg (160 lb).
11. Remove bolt (14), bolts (15), and bolts (16).
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12. Remove bank valve (13).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Wed Jan 1 15:37:44 UTC+0800 2020
5/5
2020/1/1

Shutdown SIS
Previous Screen
i02712425
Bank Valve - Disassemble - Front Frame
SMCS - 5051-015
Disassembly Procedure
Start By:
a. Remove the bank valves. Refer to Disassembly and Assembly, "Bank Valve - Remove".
NOTICE
Note: Inspect the O-ring seals. Replace the O-ring seals that are worn or damaged.
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1. Remove nuts (1).
2. Remove cover (2). Remove seal (3).
3. Remove control valve (4). Remove seal (5). Repeat this step for the remaining control
valves.
4. Remove plug (6).
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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.
5. Remove plug (7). Remove check valve (8). Remove bolt (9) in order to remove solenoid
(10). Remove check valve (11). Remove bolt (12) in order to remove solenoid (13). Remove
plug (14).
6. Remove plug (15). Remove spring (16). Remove ball (17). Remove spring (18). Remove
spool (19). Remove plug (20).
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7. Remove pistons (21).
8. Remove bolts (22). Remove cover (23). Remove retainer (24). Remove spring (25). Remove
retainer (26). Remove plug (27). Remove spool (28).
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retainer (33). Remove plug (34).
10. Remove O-ring seals (35) and backup ring (36) from check valve (8).
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11. Remove O-ring seals (37) and backup ring (38) from check valve (11).
12. Remove O-ring seals (39) from solenoid (10).
14. Repeat Step 5 through Step 13 for the remaining control valves.
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15. Remove tie rods (41).
16. Remove fittings (42). Remove fitting (43). Remove fitting (44). Remove plugs (45).
17. Remove orifice (46).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Wed Jan 1 15:38:40 UTC+0800 2020
7/8
2020/1/1

Shutdown SIS
Previous Screen
i05440670
Bank Valve - Disassemble - Rear Frame
SMCS - 5051-015
Disassembly Procedure
Start By:
a. Remove the bank valves. Refer to Disassembly and Assembly, "Bank Valve - Remove".
NOTICE
1. Remove nuts (1).
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2. Remove cover (2). Remove seal (3).
3. Remove control valve (4). Remove seal (5). Repeat this step for the remaining control
valves.
4. Remove plug (6). Remove check valve (7). Remove bolt (8) in order to remove solenoid
(10). Remove check valve (9). Remove bolt (11) in order to remove solenoid (12). Remove
plug (13).
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5. Remove plug (14). Remove spring (15). Remove ball (16). Remove spring (17). Remove
spool (18). Remove plug (19).
6. Remove pistons (20).
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retainer (25). Remove plug (26). Remove spool (27).
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8. Remove bolts (28). Remove cover (29).
9. Remove O-ring seals (30) from check valve (7).
10. Remove O-ring seals (31) from check valve (10).
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Suggest:
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Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading

13. Repeat Step 3 through Step 12 for the remaining control valves.
14. Remove tie rods (34).
6/8
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Caterpillar Cat 140M 3 MOTOR GRADER (Prefix N9M) Service Repair Manual Instant Download.pdf

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