WABCO System Saver 318, Руководство по обслуживанию

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3 Compressor Replacement
8 WABCO Maintenance Manual 31 (Revised 08-18)
7. Loosen the three flange mounting bolts that hold the
compressor to the engine.
8. Remove the compressor from the vehicle.
Remove and retain the oil supply tube that runs between
the compressor and the engine.
Figure 3.3.
Figure 3.3
Installation
1. Reinstall the oil supply tube.
2. Install a new compressor gasket.
3. Position the compressor on the engine.
4. Install the three flange mounting bolts. Tighten to 15 lb-ft
(20 N
m) +90

rotation.
@
5. Attach the discharge and coolant fittings. Tighten to 22 lb-ft
(30 N
m) +360

maximum to position the fitting.
@
6. Connect all air and water and lines leading to the compressor.
Tighten per Mack specifications.
7. Through-drive version air compressor only: If necessary,
reinstall the power steering pump. Refer to the manufacturer’s
maintenance manual to verify that the installation is to the
correct specifications.
8. Add engine coolant to the cooling system. Use the coolant
recommended by the engine manufacturer. Visually inspect the
engine and compressor for leaks.
9. Start the engine and allow the air system to build to governor
cutout. Stop the engine. Use a soap-and-water solution at
connection points to check for air leaks. Make any necessary
repairs.
10. Remove the wheel blocks. Release the spring (parking) brakes.
Cylinder Head
Removal
1. Remove the compressor from the engine. Refer to the
procedure in this section. Take care not to damage the
crankcase, since it will not be replaced.
2. Use a cleaning solvent to remove road dirt and grease from the
exterior of the compressor.
3. Remove the four bolts that attach the cylinder head to the
crankcase and remove the cylinder head. Figure 3.4.
Figure 3.4
4. Use a cleaning solvent to clean the top of the crankcase.
Figure 3.3
1003378b
OIL
SUPPLY
TUBE
Figure 3.4
Remove the four
bolts that attach
the cylinder
head to the
crankcase.
1003383b