307 Hydraulic Excavator Engine Supplement Refrigerant Compressor - Remove and Install Caterpillar


Refrigerant Compressor - Remove and Install
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307 Hydraulic Excavator Engine Supplement [UENR6784]
BASIC ENGINE
COMPRESSOR GP-REFRIGERANT
307 Hydraulic Excavator Engine Supplement Refrigerant Compressor - Remove and Install
1.1. Remove Procedure
2.1. Installation Procedure

Remove Procedure

------ 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.




    Illustration 1g06027039

  1. Remove bolts (1) and the washers. Remove panel (2).

  2. Recover the refrigerant. Refer to Service Manual, SENR5664, All Products Air Conditioning and Heating R134a for All AVSpare Machines for the recovery procedure. Refer to Special Publication, NENG2500, Air Conditioning Tools for the correct tools.


    Illustration 2g06029289

  3. Disconnect hose assembly (3) and hose assembly (4) from refrigerant compressor (1).


    Illustration 3g06030371

  4. Disconnect harness assembly (5) and harness assembly (6) from refrigerant compressor (1).


    Illustration 4g06029375

  5. Remove belt (7) from refrigerant compressor (1). Refer to Operation and Maintenance Manual, Belts - Inspect/Adjust/Replace.


    Illustration 5g06029437

  6. Cut cable straps (8) that secure the hose assemblies for the air conditioner to bracket (10). Remove two bolts (11) and remove bracket (10). Remove bolts (9) and refrigerant compressor (1).

Installation Procedure

  1. Install refrigerant compressor (1) in the reverse order of removal.

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