140M and 150 Motor Graders Engine Supplement Rear Chassis Support - Remove Caterpillar


Rear Chassis Support - Remove
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1.1. Removal Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
140-7742  Sleeve 
189-0402  Shackle As 

Start By:

  1. Remove the engine enclosure. Refer to Disassembly and Assembly, "Engine Enclosure - 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, NENG2500, "AVSpare Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on AVSpare products.

Dispose of all fluids according to local regulations and mandates.


Note: Put identification marks on all hoses, on all hose assemblies, on all harness assemblies, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.

  1. Drain the coolant from the cooling system into a suitable container for proper storage or for disposal. Refer to Operation and Maintenance Manual, "Capacities - Refill" for the capacity of the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change" or Operation and Maintenance Manual, "Cooling System Extended Life Coolant - Change" for the proper draining procedure.

  2. Drain the hydraulic fluid into a suitable container for proper storage or for disposal. Refer to Operation and Maintenance Manual, "Capacities - Refill" for the capacity of the hydraulic system. Refer to Operation and Maintenance Manual, "Hydraulic Fluid - Change" or for the proper draining procedure.

  3. Move the battery disconnect switch to the OFF position.


    Illustration 1g01411414

  4. Disconnect hose assembly (1). Disconnect hose (2). Disconnect hose assembly (3).


    Illustration 2g01411416

  5. Disconnect hose (4). Disconnect hose (5).


    Illustration 3g01411525

  6. Remove bolts (8) and (9). Remove clips (6) and (7). Remove tube assembly (10). Remove tube assembly (11).


    Illustration 4g01412252

  7. Remove hose (12) from mounting hardware. Remove bolt (13).


    Illustration 5g01412253

  8. Disconnect hose assemblies (14), (15), and (16).


    Illustration 6g01412254

  9. Remove bolts (17) and (18).


    Illustration 7g01412395


    Illustration 8g01412417

  10. Disconnect hose assemblies (19), (22), and (23). Disconnect hoses (20) and (21).


    Illustration 9g01412413


    Illustration 10g01412465

  11. Disconnect hose assemblies (24) and (25). Disconnect union (26 ). Remove bolt (27).


    Illustration 11g01412399

  12. Remove bolts (28), (30), and (32). Disconnect fitting (29). Disconnect harness assembly (31).


    Illustration 12g01412489


    Illustration 13g01412544

  13. Disconnect hose assembly (33). Remove bolts (34), (35), and (36).


    Illustration 14g01412510

  14. Disconnect harness assemblies (37) and (38). Remove mounting hardware from harness assemblies.


    Illustration 15g01412549

  15. Attach Tooling (A), Tooling (B), and a suitable lifting device onto rear chassis support (39). The weight of rear chassis support (39) is approximately 340 kg (750 lb).


    Illustration 16g01412555

  16. Remove bolts (40) from rear chassis support (39).

  17. Repeat Step 16 for the other side.

  18. Remove rear chassis support (39).

Information System:

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