JAC HFC4181KR1 Owner's Manual page 106

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