140M Motor Grader Caterpillar


Cab - Remove

Usage:

140M B9D

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
140-7742  Sleeve 
318-1491  Offset Wrench 

Start By:

  1. Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".


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.


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.

------ WARNING! ------

Personal injury can result from contact with refrigerant.

Contact with refrigerant can cause frost bite. Keep face and hands away to help prevent injury.

Protective goggles must always be worn when refrigerant lines are opened, even if the gauges indicate the system is empty of refrigerant.

Always use precaution when a fitting is removed. Slowly loosen the fitting. If the system is still under pressure, release it slowly in a well ventilated area.

Personal injury or death can result from inhaling refrigerant through a lit cigarette.

Inhaling air conditioner refrigerant gas through a lit cigarette or other smoking method or inhaling fumes released from a flame contacting air conditioner refrigerant gas, can cause bodily harm or death.

Do not smoke when servicing air conditioners or wherever refrigerant gas may be present.

Use a certified recovery and recycling cart to properly remove the refrigerant from the air conditioning system.


  1. Release the system pressure. Refer to Operation and Maintenance Manual, "System Pressure - Release".

  2. Recover the air conditioner refrigerant from the air conditioner system. Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the correct procedure. Refer to Special Publication, NENG2500, "Air Conditioning Tools" for the correct tools.


    Illustration 1g01411502

  3. Remove cover (1).


    Illustration 2g01411507

  4. Disconnect harness assemblies (2). Disconnect hoses (3).


    Illustration 3g01411515

  5. Disconnect hose assemblies (4). Remove clips (5), clip (6) and clip (7).


    Illustration 4g01411519

  6. Remove bolts (8) and remove cover (9). Repeat this step for the opposite side of the machine.


    Illustration 5g01411717

  7. Disconnect ground strap (10).


    Illustration 6g01411723

  8. Disconnect harness assembly (11).


    Illustration 7g01411727

  9. Disconnect harness assemblies (12) and harness assemblies (13).


    Illustration 8g01411736

  10. Remove bolts (14) in order to remove step assembly (15). Repeat this step for the opposite side of the machine.


    Illustration 9g01411744

  11. Attach Tooling (A) and suitable lifting devices to cab (16). The weight of cab (16) is approximately 1270 kg (2800 lb).


    Illustration 10g01411746

  12. Remove bolts (17).

    Note: Use Tooling (B) in order to remove bolts (17) that are surrounded by the fuel tanks.



    Illustration 11g01411767

  13. Disconnect harness assembly (18).


    Illustration 12g01411744

  14. Use Tooling (A) and the suitable lifting devices in order to remove cab (16) from the machine.

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