308C Excavator Machine Systems Caterpillar


Heating and Air Conditioning Unit - Install

Usage:

308C KCX

Installation Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7573     Link Bracket     2    
B     1U-9199     Lever Puller     1    

------ 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 1g00911501

  1. Position heater assembly (30) and install bolts (29). Connect harness assembly (28) .



    Illustration 2g00911503

  1. Connect hoses (27) for the heater.



    Illustration 3g00911505

  1. Position clip (26). Install bolts (25) .

  1. Connect hose assemblies (24) for the air conditioner.



    Illustration 4g00911529

  1. Position access panel (23). Install bolts (22) .



    Illustration 5g00911510

  1. Install duct (19). Position cover (21). Install bolts (20) .



    Illustration 6g00911511

  1. Install duct (16). Install three bolts (17). Connect harness assembly (18) .



    Illustration 7g00911513

  1. Install panel (15). Install screws (14) .



    Illustration 8g00911515

  1. Position panel (12). Install bolts (13) .



    Illustration 9g00911517

  1. Position frame assembly (11). Remove Tooling (B) .



    Illustration 10g00911518

  1. Position duct assembly (10). Install screws (9) .



    Illustration 11g00911519

  1. Install vents (8) .



    Illustration 12g00911521

  1. Remove Tooling (A). Install bracket (7) and bolts (6) .



    Illustration 13g00911522

  1. Position the frame assembly. Install socket head screws (5) .



    Illustration 14g00911556

  1. Install stop (3) for the seat. Install socket head screws (2) .



    Illustration 15g00911525

  1. Connect harness assembly (1) .

  1. Fill the cooling system. The cooling system contains 15 L (4 US gal) of coolant. Refer to Operation and Maintenance Manual, SEBU7613, "Cooling System Coolant (DEAC) - Change" or refer to Operation and Maintenance Manual, "Cooling System Extended Life Coolant - Change".

  1. Charge the air conditioner system. The correct charge is 1 kg (2.20 lb). Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the procedure. Refer to Special Publication, NEDG5065, "Air Conditioning Tools" for the tools.

End By: Install the seat. Refer to Disassembly and Assembly, "Seat - Remove and Install".

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