Specifications - Chevrolet 1991 Light Duty Truck Repair Manual

1B2-12 V-5 AIR CONDITIONING COMPRESSOR
• Attach the compressor to J 34992 fixture and
mount the compressor in a vise so that the com­
pressor will be in a horizontal position and the
shaft can be turned with a wrench.
• Rotate the compressor shaft or drive plate hub six
to eight complete revolutions at a speed of approxi­
mately one revolution per second. A slower rota­
tion can result in a lower pump-up pressure and
disqualify a good pumping compressor.
• Observe the reading on the high-pressure and dis­
qualify a good pumping compressor.
• Observe the reading on the high-pressure gage at
the completion of the tenth revolution of the com­
pressor shaft. The pressure reading for a good
pumping compressor should be 690 KPa (100 psi)
or above. A pressure reading of less than 620 kPa
(100 psi) or above. A pressure reading of less than
620 kPa (90 psi) would indicate one or more suc­
COMPRESSOR
Type—Harrison V 5..................................................................................................................
Displacement...........................................................................................................................
Rotation....................................................................................................................................
Oil Capacity.............................................................................................................................
Clutch Plate Air Gap...............................................................................................................
TORQUE SPECIFICATIONS
Compressor Suction and Discharge Connector Bolt..............................................................
Shaft Nut.................................................................................................................................
Pressure Relief Valve...............................................................................................................
Through Bolts..........................................................................................................................
Oil Drain Plug.........................................................................................................................
tion and/or discharge valves leaking, an internal
leak, or an inoperative valve. Disassemble the
compressor and repair as necessary. Reassemble
and repeat the pump-up test.
• Following the pressure pump-up test, release the
air pressure from the high side and remove the
gage adapters and J 9625-A test plate.
• Tilt the compressor to place the suction and dis­
charge ports downward to allow oil to drain from
the compressor.
• Allow a 10-minute drain period and then charge
the compressor with the proper amount of oil. Pour
the new 525 viscosity refrigerant oil into the suc­
tion port.
• If further assembly or processing is required,
install a shipping plate or test plate J 9625-A to
protect the compressor from contamination.

SPECIFICATIONS

V-5 COMPRESSOR
5 Cylinder Axial
9.2 Cu. In.
Clockwise
236 ml. (8 fl. oz.)
0.38-0.64 mm
(0.015-0.025 inch
34 N-m (25 ft. lbs.)
17 N-m (12 ft. lbs.)
9 N-m (80 in. lbs.)
9 N-m (80 in. lbs.)
16 N-m (12 ft. lbs.)
T2502