WEICHAI WD10 Service Manual - page 141
Service Manual for WD10 Diesel Engine
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(3) Remove the V-belt.
(2) Remove compressor fastening nut, stud and spacer block.
Spacer block
(5) Remove the other compressor fastening nut and stud, disassembly of A/C compressor is done.
41133 Inspection and Maintenance of A/C Compressor
(1) A/C system produces abnormal sound
When A/C system is working, the system produces abnormal sound, possible causes and
maintenance methods are listed in Table 4-2.
Table 4-2 Troubleshooting for abnormal sound producing failure of A/C system
Problem: A/C system produces abnormal sound
S/N
Possible cause
Maintenance method
1
Clutch slipping
Clean and repair the clutch if the slippage is
caused by oil dirt; replace the clutch if spring or
chuck is damaged.
2
Transmission belt slipping due to
loose or abrasion
Adjust the belt tension or replace the belt.
3
Wear of pulley bearing
Replace A/C compressor.