General malfunction
Cause
Troubleshooting method
Operation mechanism gets stuck
Repair
Output power is not enough
Repair
Concrete slump constant is too slow
Add water properly, agitating tank is working as
15r/min, and then reverse it to output the stuff
Agitating tank rotation
is too slow
Vane wears seriously
Repair or change
No output while agitating
tank is working
Oil intake filter blockage
Clean or change oil filter
Continuous working time is too light
Stop for cooling
Scrap iron or other objects in the
hydraulic motor
Repair or clean
noise
Air intake of oil pump
Bubble in the oil
Oil temperature
is too high
Hydraulic motor noise
Oil quantity inadequate
Air filter blockage
Oil adding
Clean or change
204
OWNER
’
S MANUAL
JAC HEAVY DUTY TRUCK
General malfunction
Cause
Troubleshooting method
Scrap iron or other objects in the hydraulic motor
Repair or clean
Too many sundries in the reducer
Change gear oil or repair
Hydraulic motor noise
Hydraulic pump inner noise Scrap iron or other objects in the hydraulic pump
Repair or clean
noise
Reducer inner noise
Serious abrasion
Repair
Operation mechanism is not
working smoothly
Control level deforms seriously
Calibrate and adjust the screw
bar
Corrosion or concrete gets stuck
Get rid of the rust and concrete,
and fill grease
Agitating tank fluctuates up
and down
The race and supporting roller wears asymmetri
鄄
cal
Repair or change
Clip sleeve is over loose
Adjust the clip sleeve nut
205
