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ENGINE AR-COMPLETE 1451969 - Caterpillar

1451969 ENGINE AR-COMPLETE Caterpillar parts C-10 ENGINE
Alternative (cross code) number:
Caterpillar 1451969 ENGINE AR-COMPLETE

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Compatible equipment models: 1451969:

TRUCK ENGINE  C-10   Caterpillar
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Removal Procedure
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be cleaned thoroughly. Thoroughly cleaning the component will help to prevent dirt from entering the internal mechanism.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
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.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes assemblies. Plugging all lines, hoses, and tubes assemblies can prevent fluid loss and to keep contaminants from entering the system.
Turn the battery disconnect switch to the OFF position.
Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the correct procedure.
Illustration 1 g02518538
Disconnect hose assembly (1) and hose assembly (2) from refrigerant compressor (4). Refer to the Original Equipment Manufactures (OEM) for the correct procedure. Note: Plug the hose assemblies with new plugs. Cap the ports in the refrigerant compressor with new caps.
Disconnect harness assembly (3) from refrigerant compressor (4).
Illustration 2 g02518539
Remove the alternator belt. Refer to Disassembly and Assembly Manual, "Alternator Belts - Remove and Install" for the correct procedure.
Remove bolts (6) from refrigerant compressor (4). Note: Support the weight of the refrigerant compressor on removal of the bolts.
Remove refrigerant compressor (4) from bracket (5).
Illustration 3 g02518540
Illustration 4 g02518541
If necessary, follow Step 8.a through Step 8.c in order to remove bracket (5) for the refrigerant compressor from the cylinder block.
Remove bolts (7) from bracket (5).
Remove bracket (5) from the cylinder block.
Note the position of dowels (8) in bracket (5). Installation Procedure
Illustration 5 g02518540
Illustration 6 g02518541
If necessary, follow Step 1.a through Step 1.d in order to install bracket (5) for the refrigerant compressor to the cylinder block.
Ensure that bracket (5) is clean and free from wear and damage.

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