AIR BRAKE PIP- 7U0736 - Caterpillar

Removal Procedure
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.
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: For purging and charging the air conditioner system, refer to Air Conditioning And Heating Service Manual, SENR5664.
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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Evacuate the air conditioning system.
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Use a breaker bar to release the tension on belt tensioner (1). Remove drive belt (2) .
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Disconnect wiring harness (3) and two hose assemblies (4) .
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Remove three mounting bolts (5) and refrigerant compressor (6) .Installation Procedure
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Install refrigerant compressor (6) and three mounting bolts (5) .
Replace the O-ring seals in the hose assemblies.
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Connect two hose assemblies (4) and wiring harness (3) .
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Install drive belt (2). Tighten belt tensioner (1). Refer to Operation and Maintenance Manual, "Belts - Adjust".