826278T08 Mercury CHAP, Long - Starboard

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.
Personal injury can result from contact with refrigerant.This system is under pressure at all times, engine running or not. Heat should never be applied to a charged system. 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 caution 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.Before any checks of the air conditioning and heating system are made, move the machine to a smooth horizontal surface. Lower all implements to the ground. Make sure the transmission is in neutral or park and that the parking brake is engaged. Keep all other personnel either away from the machine or where they can be seen.
Note: Install caps and plugs on all openings in order to prevent dirt or debris from entering the system. Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will prevent dirt from entering the internal mechanism.
Before any service work is performed on the air conditioning system, refer to Testing and Adjusting - 5110B Excavator Air Conditioning and Heating, RENR3373, "Machine Preparation for Troubleshooting".
Recover the refrigerant from the air conditioning system. Refer to Testing and Adjusting - 5110B Excavator Air Conditioning and Heating, RENR3373, "Refrigerant System - Evacuate".
Illustration 1 g00780690
Illustration 2 g00780700
Loosen two bolts (1) at the lower brackets.
Illustration 3 g00780707
Loosen nuts (2) on the belt tightener rod. Move refrigerant compressor (3) toward the engine and remove V-belt (4) .
Remove two nuts (5) that secure guard (6) to the refrigerant compressor.
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Disconnect wire harness (7) at the electrical connections on refrigerant compressor (3) .
Disconnect the refrigerant hoses (8) at the back of refrigerant compressor (3) .
Illustration 5 g00780718
Remove bolt (9), the washer, and the nut from the belt tightener rod.
Remove bolts (1) .
Remove refrigerant compressor (3) from the machine.Installation Procedure
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.
Personal injury can result from contact with refrigerant.This system is under pressure at all times, engine running or not. Heat should never be applied to a charged system. 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 caution 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.Before any checks of the air conditioning and heating system are made, move the machine to a smooth horizontal surface. Lower all implements to the ground. Make sure the transmission is in neutral or park and that the parking brake is engaged. Keep all other personnel either away from the machine or where they can be seen.
Before any service work is performed on the air conditioning system, refer to Testing and Adjusting - 5110B Excavator Air Conditioning and Heating, RENR3373, "Machine Preparation for Troubleshooting".
Check all of the O-ring seals and the components for wear or damage. Replace the components, if necessary.