INJECTOR GP- 2714741 - Caterpillar

Removal Procedure
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.
Turn the battery disconnect switch to the OFF position.
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.
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Remove guard assembly (1) .
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Disconnect belt (2). Refer to Operation and Maintenance Manual, "Belt - Inspect/Adjust/Replace".
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Disconnect hose assemblies (3) and (7) .
Disconnect harness assemblies (4) and (5) .
Remove nuts (9) and reposition harness assembly (8). Remove refrigerant compressor (6) .Installation Procedure
Table 1
Required Tooling    
Tool     Part Number     Part Description     Qty    
A     1U-9763     Vacuum Pump Oil     1    
Illustration 4 g01451137
Position refrigerant compressor (6). Position harness assembly (8) and install nuts (9) .
Connect harness assemblies (4) and (5) .Note: Apply Tooling (A) to the O-ring seals prior to the installation of hose assemblies (3) and (7) .
Connect hose assembly (3). Tighten hose assembly (3) to a torque of 80 5 N m (60 4 lb ft). Connect hose assembly (7). Tighten hose assembly (7) to a torque of 54 5 N m (40 4 lb ft).
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Connect belt (2). Refer to Operation and Maintenance Manual, "Belt - Inspect/Adjust/Replace".
Illustration 6 g01450452
Install guard assembly (1) .
Charge 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.