Caterpillar Cat 140M 3 MOTOR GRADER (Prefix N9M) Service Repair Manual (N9M00001 and up)

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Service Repair Manual

Models

140M 3 MOTOR GRADER


140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

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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...

Refer to Special Publication, PERJ1017, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on CatÂŽ 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.

Illustration 2

g01430785

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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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

Illustration 3

g01430795

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).

Illustration 4

g01430802

8. Disconnect tube assemblies (9). Disconnect tube assembly (10). Disconnect tube assembly (11).

Illustration 5

g01430845

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

9. Disconnect tube assembly (12).

Illustration 6

g01430852

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).

Illustration 7

g01430857

Illustration 8

g01430860

11. Remove bolt (14), bolts (15), and bolts (16).

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

Illustration 9

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g01430859

12. Remove bank valve (13). Copyright 1993 - 2020 Caterpillar Inc.

Wed Jan 1 15:37:44 UTC+0800 2020

All Rights Reserved. Private Network For SIS Licensees.

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

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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

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 Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Note: Inspect the O-ring seals. Replace the O-ring seals that are worn or damaged.

Illustration 1

g01362617

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

1. Remove nuts (1).

Illustration 2

g01362643

2. Remove cover (2). Remove seal (3). 3. Remove control valve (4). Remove seal (5). Repeat this step for the remaining control valves.

Illustration 3

g01362654

4. Remove plug (6).

Illustration 4

g01362657

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

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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).

Illustration 5

g01362672

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.

6. Remove plug (15). Remove spring (16). Remove ball (17). Remove spring (18). Remove spool (19). Remove plug (20).

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

Illustration 6

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g01362677

7. Remove pistons (21).

Illustration 7

g01362680

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.

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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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

Illustration 8

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g01362689

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.

9. Remove bolts (29). Remove cover (30). Remove retainer (31). Remove spring (32). Remove retainer (33). Remove plug (34).

Illustration 9

g01362691

10. Remove O-ring seals (35) and backup ring (36) from check valve (8).

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

Illustration 10

g01362713

11. Remove O-ring seals (37) and backup ring (38) from check valve (11).

Illustration 11

g01362720

12. Remove O-ring seals (39) from solenoid (10).

Illustration 12

g01362723

13. Remove O-ring seals (40) from solenoid (13). 14. Repeat Step 5 through Step 13 for the remaining control valves.

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

Illustration 13

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g01362729

15. Remove tie rods (41).

Illustration 14

g01362732

16. Remove fittings (42). Remove fitting (43). Remove fitting (44). Remove plugs (45).

Illustration 15

g01362737

17. Remove orifice (46). Copyright 1993 - 2020 Caterpillar Inc.

Wed Jan 1 15:38:40 UTC+0800 2020

All Rights Reserved.

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

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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

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 Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Illustration 1

g03434195

1. Remove nuts (1).

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

Illustration 2

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g03434219

2. Remove cover (2). Remove seal (3). 3. Remove control valve (4). Remove seal (5). Repeat this step for the remaining control valves.

Illustration 3

g03434232

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.

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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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

Illustration 4

g01361634

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 (14). Remove spring (15). Remove ball (16). Remove spring (17). Remove spool (18). Remove plug (19).

Illustration 5

g01361643

6. Remove pistons (20).

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

Illustration 6

4/8

g01361658

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.

7. Remove bolts (21). Remove cover (22). Remove retainer (23). Remove spring (24). Remove retainer (25). Remove plug (26). Remove spool (27).

Illustration 7

g03434961

Personal injury can result from being struck by parts propelled by a released spring force.

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force.

8. Remove bolts (28). Remove cover (29).

Illustration 8

g03435437

9. Remove O-ring seals (30) from check valve (7).

Illustration 9

g03435456

10. Remove O-ring seals (31) from check valve (10).

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140M Series 3 Motor Grader N9M00001-UP (MACHINE) POWERED BY C9.3 Engi...

Illustration 10

g03435645

11. Remove O-ring seals (32) from solenoid (9).

Illustration 11

g03435658

12. Remove O-ring seals (33) from solenoid (12). 13. Repeat Step 3 through Step 12 for the remaining control valves.

Illustration 12

g03435661

14. Remove tie rods (34).

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