312C Excavator 3064 Engine Supplement Air Conditioner Dryer - Remove and Install Caterpillar


Air Conditioner Dryer - Remove and Install
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312C Excavator 3064 Engine Supplement [RENR5507]
OPERATOR STATION
AIR CONDITIONER GP
312C Excavator 3064 Engine Supplement V-Belts - Remove and Install
312C Excavator 3064 Engine Supplement Air Conditioner Dryer - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Description     Qty    
A     9U-7069     Cap     2    
9U-7070 Cap     2    


NOTICE

Effective July 1, 1992 regulations prohibit the venting of any refrigerant into the atmosphere. Refer to AVSpare publications Service Manuals, SENR3334, SENR5664, and NEDG5065 for the proper procedure, the proper equipment, and the proper tools needed in order to reclaim refrigerant from any AVSpare equipment.


------ 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. Open the engine access door on the left side of the machine.

  1. Recover the refrigerant from the air conditioner dryer. See Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" and Special Publication, NEDG5065, "Air Conditioning Tools" for detailed information about evacuating the air conditioning system of any AVSpare machine.



    Illustration 1g00812510

  1. Disconnect hose assemblies (1) and (2). Use Tooling (A) to cap the hose assemblies, and use Tooling (A) to plug the receiver assembly.

  1. Remove bolts (3), and remove receiver assembly (4) .

Installation Procedure




Illustration 2g00812510

  1. Position receiver assembly (4) into the straps.

  1. Install bolts (3) in order to secure the receiver assembly.

  1. Connect hose assemblies (1) and (2) .

  1. Fill the air conditioning system with refrigerant to the correct pressure level. Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the correct procedure. Refer to Special Publication, NEDG5065, "Air Conditioning Tools" for the correct tools.

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