Air Conditioner Kit Custom Product Support Literature for 938F, 950F Series II, 960F, 966F Series II, 970F Wheel Loaders and IT38F Integrated Toolcarrier{7320}

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Damage or replace any damaged parts. Page 2SEBU6492-04 May 2002 Operation and Maintenance Manual 950F Series II Wheel Loader 4DJ1-Up (Machine) 5SK1-Up (Machine) 8TK1-Up (Machine) 2LM1-Up. Consult your Caterpillar dealer for the correct load rating and for the correct operating pressures. Inflate tires, if necessary.
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Wheel Loader:: 938F (PIN: 1KM1-UP); 950F Series II (PIN: 5SK1-UP); 960F (PIN: 9ZJ1-UP); 966F Series II (PIN: 1SL1-UP); 970F (PIN: 7SK1-UP)
Integrated Toolcarrier:: IT38F (PIN: 6FN1-UP)

Introduction

The supplemental product support literature should be used with the Custom Parts Manual, SEBC1243, the appropriate Service Manual, and the appropriate Standard Parts Manual that is available for each standard machine.

This publication includes the general instructions for the installation of an air conditioner kit. For specific part numbers and specific illustrations, refer to the Custom Parts Manual, SEBC1243.

938F and IT38F 2Q-7663 Air Conditioner Kit -Machine and 2Q-7658 Air Conditioner Kit -Cab
950F Series II and 960F 2Q-7664 Air Conditioner Kit -Machine and 2Q-7658 Air Conditioner Kit -Cab
966F Series II and 970F 2Q-7665 Air Conditioner Kit -Machine and 2Q-7658 Air Conditioner Kit -Cab

General Information

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.

950f Specs

All refrigerant lines that are metal or flexible hose must be free of sharp bends. Also, do not use a refrigerant line that is kinked. Sharp bends will cause a restriction in the refrigerant flow. Restrictions in the refrigerant lines are identified by cold spots or frost on the line at the restriction. Restriction in the lines will reduce the performance and the efficiency of the system.

The radius of bends in the flexible hose must never be less than 10 times the outside diameter of the hose.

Do not allow the flexible hoses to come within 63.5 mm (2.5 inch) of the exhaust manifold.

The hoses need to be inspected yearly for leaks and hardness. Do a leak test on all the hoses and lines. Refer to the Service Manual, SENR5664, 'Refrigerant Leakage-Test' section in Testing and Adjusting. Replace hoses if leaks or hardness are in the hoses. Replace hoses with a new hose that is sealed and free of contaminants.

The correct use of wrenches is very important when connections are made. The type of wrench is also important. Use only wrenches that are made for use with tube type fittings. When a hose or a metal line is connected or disconnected, use a wrench on the fitting, and on the nut. Also use a wrench on the hose connection.

When components and refrigerant lines are disconnected or removed refer to the Service Manual, SENR5664, 'Refrigerant Recovery' section.

Install protective plugs or caps on all components and on all hoses that are disconnected or removed.

O-ring seals and seats must be in good condition. Spss 20 mac os x 10.10. Small cuts, scratches or particles of dirt will cause a leak in the system. Put new refrigerant oil on all new O-ring seals at time of installation. Do not use any kind of sealant on any air conditioner hose connection.

Installation of 2Q-7658 Air Conditioner Kit

The following instructions are for 938F, IT38F, 950F Series II, 960F, 966F Series II and 970F.

For specific part numbers and specific illustrations, refer to the Custom Parts Manual, SEBC1243. Refer to 'Installation of Air Conditioner Lines and Components' which is included in this publication.

Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes. This will help to prevent fluid loss and this will help to keep contaminants from entering the system.

Reference: Service Manual, SENR5664, 'Air Conditioning and Heating Systems with R-134a Refrigerant'.

Reference: Special Publication, NEDG5065, 'Air Conditioning Tools'.

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Unexpected machine movement can cause injury or death.

To avoid possible machine movement, place the hydraulic activation control lever to the locked position and attach a Special Instruction, SEHS7332, 'Do Not Operate' or similar warning tag to the control lever.

Access is required on the right side of the machine near the articulation joint. The machine must be turned to the extreme left.

Drain the coolant from the radiator into a suitable container for storage or for disposal.

Illustration 1	g00559060
Front view of the cab

Open the right front side panel (3) and remove the two screws from the hinge.

Remove the panel (3) from the cab.

Remove the four bolts (4) on the front panel (5) .

Remove the front panel (5) .

Disconnect all connections between the heater and the cab.

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Illustration 2

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Remove the eight bolts (8) in order to remove the duct assembly (6) from the heater (7) .

Illustration 3

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Remove the heater from the opening in the cab.
Note: Carefully remove the heater from the cab so the heater coil does not become damaged. Damaged coils will cause leakage.

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Illustration 4

Caterpillar 950f Series Ii Parts Manual