20522559 Volvo.Penta Coolant pipe

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.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.
Recover the air conditioner refrigerant from the air conditioner system. Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the correct procedure. Refer to Special Publication, NEDG5065, "Air Conditioning Tools" for the correct tools.
Open the side doors.
Illustration 1 g00772836
Disconnect hose assemblies (3) and (4) from refrigerant compressor (1). Remove the O-ring seal from both hose assemblies.
Disconnect two wiring harnesses (2) .
Illustration 2 g00772932
Loosen two bolts (6) .
Loosen nut (7) on the rod. Loosen bolt (8) and remove V-belt (5) from refrigerant compressor (1) .
Illustration 3 g00772965
Remove the nut, the washers, bolt (10), bracket (9) and the wiring harnesses from the refrigerant compressor.
Illustration 4 g00772987
Remove bolt (8) and the washer from the adjusting rod.
Remove two bolts (6), the two washers, and refrigerant compressor (1) .Installation Procedure
Note: O-ring seals, gaskets, and seals should always be replaced. A used O-ring may not have the same sealing properties as a new O-ring seal. A reconditioning procedure should not be degraded because of a low cost component such as an O-ring seal or a gasket. Use 1U-6396 O-Ring Assembly Compound during the assembly procedure.
Illustration 5 g00772987
Place refrigerant compressor (1) in position and install the two washers and two bolts (6) .
Place the adjusting rod in position and install the washer and bolt (8) .Note: Do not tighten bolts (6), the nut on the adjusting rod, and bolt (8) at this time.
Illustration 6 g00772965
Place bracket (9) and the wiring harnesses in position on the refrigerant compressor. Install the washers, bolt (10), and the nut.
Illustration 7 g00772932
Install V-belt (5) on refrigerant compressor (1) and adjust the V-belt tension.Note: Check the tension on the V-belt. Use a Kent Moore Company 144-0235 Belt Tension Gauge in order to correctly measure the tension of the V-belt. The correct tension of a new V-belt is 712 22 N (160 5 lb). The correct tension of a used V-belt is 445 44 N (100 10 lb).
Tighten nut (7), bolt (8), and two bolts (6) .
Illustration 8 g00772836
Connect two wiring harnesses (2) .
Install the O-ring seal to both hose assemblies. Connect hose assemblies (4) and (3) to refrigerant compressor (1) .
Evacuate the air conditioner system. Charge the air conditioner system. The correct charge is 1.6 kg (3.53 lb). Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the correct procedure. Refer to Special Publication, NEDG5065, "Air Conditioning Tools" for the correct tools.
Close the side doors.