140M and 150 Motor Graders Engine Supplement Radiator Guard and Support, Aftercooler, Hydraulic Oil Cooler, and Radiator - Remove Caterpillar


Radiator Guard and Support, Aftercooler, Hydraulic Oil Cooler, and Radiator - Remove
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1.1. Removal Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
311-1362  Vacuum Cap 
138-7575  Link Bracket 

Start By:

  1. Remove the engine enclosure. Refer to Disassembly and Assembly, "Engine Enclosure - Remove".

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

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.


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.


------ 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. Recover the air conditioner refrigerant from the air conditioner system. Refer to Operation and Maintenance Manual, "Capacities (Refill)" for the correct charge that is used in the machine that is being serviced. Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the procedure. Refer to Special Publication, NENG2500, "Air Conditioning Tools" for the tools.


    Illustration 1g01374019

  2. Install Tooling (A) onto the hydraulic tank . Attach an air supply hose onto Tooling (A). Apply 138 kPa (20 psi) of air. This procedure will pull a vacuum on the hydraulic system.


    Illustration 2g01413538

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


    Illustration 3g01413548


    Illustration 4g01413549

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


    Illustration 5g01413570

  5. Disconnect harness assemblies (6) and (7).


    Illustration 6g01413575

  6. Disconnect hose assembly (8). Remove the mounting assembly. Reposition hose assembly (8).


    Illustration 7g01413582

  7. Install Tooling (B). Attach a suitable lifting device.

  8. Repeat Step 7 for the opposite side.

  9. The weight of the radiator guard and support is approximately 299 kg (660 lb).


    Illustration 8g01413588

  10. Remove bolts (9).


    Illustration 9g01413591

  11. Remove bolts (11).

  12. Repeat Step 11 for the other side.

  13. Use a suitable lifting device in order to remove radiator guard (10).


    Illustration 10g01413604

  14. Remove washers and grommets (12).

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