Installation Procedure
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Effective July 1, 1992 regulations prohibit the venting of any refrigerant into the atmosphere. Refer to Caterpillar 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 Caterpillar equipment. |
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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. |
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- Put heater core (8) and evaporator core (5) in position. Install bolt (9) on each side of the cores. Be sure that the seal is in place under the front of the evaporator core.
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| Illustration 1 | g00633290 |
- Connect the heater hoses to the heater core and tighten hose clamps (11) and (12) .
- Connect hose assembly (6) to expansion valve (7). Connect hose assembly (10) to the evaporator core.
- Install plate (3). Be sure that the grommet for the thermostat tube is in place. Install thermostat tube (2) in the center of evaporator core.
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| Illustration 2 | g00633288 |
- Install the gasket and cover (4) .
- Be sure that the seal under the air filter is not damaged or loose. Install the air filter and cover (1) .
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| Illustration 3 | g00633286 |
- Charge the air conditioning system.
Note: Refer to the Air Conditioning and Heating Service Manual, SENR5664 for the correct procedure to charge the system.