DISC 9F2977 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7575     Link Brackets     2    Start By:
Release the hydraulic system pressure. Refer to Disassembly and Assembly, " Hydraulic System Pressure - Release".
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.
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.
Drain the hydraulic oil into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change".
Recover the air conditioner refrigerant from the air conditioner system. Refer to, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the correct procedure. Refer to Dealer Service Tool Catalog, NENG2500, "Air Conditioning Tools".
Illustration 1 g01443338
Illustration 2 g01443344
Remove the bolts from grills (1) and (2) in order to open grills (1) and (2).
Disconnect hose assemblies (3). Use two people to remove the grill and refrigerant condenser (2). Remove grill (1) .
Illustration 3 g01451108
Illustration 4 g01451424
Remove bolts (4) in order to swing the grill and fuel cooler (5) open. Disconnect hose assemblies (6). Use two people in order to remove the grill and fuel cooler (5) .
Illustration 5 g01451432
Remove guard (7) .
Illustration 6 g01451441
Disconnect hose assemblies (9). Attach Tooling (A) and a suitable lifting device to hydraulic oil cooler (8). The weight of hydraulic oil cooler (8) is approximately 68 kg (150 lb). Remove hydraulic oil cooler (8) .