2570D and 2670D Wheel Feller Buncher Machine Systems Caterpillar


Air Conditioner - Remove and Install

Usage:

2570D D25

Removal 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.


  1. Turn the battery disconnect switch to the OFF position.

  2. Recover the refrigerant. Refer to Service Manual, SENR5664, "All Products Air Conditioning and Heating R-134a for All Caterpillar Machines" for the recovery and the charging procedure. Refer to Special Publication, NENG2500, "Air Conditioning Tools" for the correct tools.

  3. Lower the backrest and move the seat as far forward as possible.


    Illustration 1g06162929

  4. Loosen clamps (1) and disconnect hoses (2).


    Illustration 2g06162990

  5. Remove bolts (4) and plenum assembly (3).


    Illustration 3g06163184

  6. Loosen clamps (5) and disconnect tube (6).


    Illustration 4g06163194

  7. Disconnect harness assemblies (7), (8), and (9).


    Illustration 5g06163207

  8. Disconnect tube assemblies (10) and (13).

  9. Loosen clamps (14) and disconnect hoses (11) and (12).


    Illustration 6g06163895

  10. Remove bolts (16) and air conditioner (15).

Installation Procedure

  1. Install air conditioner (15) in the reverse order of removal.

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