Suzuki Canvas SQ416 Service Manual page 22

G16 LH steering vehicle
1. Manifold gauge set
2. High pressure side
(Delivery side hose)
3. Low pressure side
(Suction side pipe)
COMPRESSION SYSTEM
COMPRESSOR
INSPECTION
1) Install manifold gauge set as illustrated.
2) Close Hi and Lo hand valves.
3) Run engine at fast idle.
4) Check compressor for following:
a. High pressure gauge reading is not low and low pressure
gauge reading is not higher than normal.
b. Metallic sound.
c. Leakage from shaft seal.
If any of the above checks indicated a defect, repair compressor.
REMOVAL
1) Run engine at idle with A/C ON for 10 minutes.
2) Disconnect negative cable at battery.
3) Recover refrigerant from refrigeration system using recovery
and recycling equipment.
NOTE:
The amount of compressor at removed must be measured
and the same amount must be poured when installing the
compressor.
4) Disconnect thermal protector lead wire.
5) Disconnect suction and discharge hoses from compressor.
NOTE:
Cap open fitting immediately to keep moisture out of sys-
tem.
6) For G16 engine:
Remove compressor drive belt by loosening compressor
mounting bolts.
For J20 engine:
Remove generator belt. Refer to Section 6H for details.
7) Remove compressor with clutch assy from its mount.
8) Drain oil from compressor, and measure its amount.
AIR CONDITIONING (OPTIONAL) 1B-13