Lovol FR18E-u - Driving

Troubleshooting
Troubleshooting 6-
7
Driving
Trouble Cause Measures
Underpowered driving Main overflow valve low pressure Adjust p ressure
Bad governor valve Replace governor valve
Low performance of hydraulic
motor
Replace hydraulic motor
Damaged sealing ring for central
coupler
Replace the sealing ring
Bad hydraulic pump Replace hydraulic pump
Oil leakage from control valv e Replace valve core
Unstable driving Loose caterpillar chain Adjust tension
Gravel ingress into caterpillar
chain
Remove gravel
Bad governor valve Replace valve
Low performance of hydraulic
motor
Replace hydraulic pump
Air trapped in hydraulic motor Remove air in hydraulic motor
Machine can not go straight Unequal tension between two
caterpillar chains
Adjust to uniform tightness
Low performance of hydraulic
pump
Replace hydraulic pump
Low performance of hydraulic
motor
Replace hydraulic motor
Oil leakage from control valv e Replace valve core
Damaged sealing ring for central
coupler
Replace the sealing ring
Driving device class
Trouble Cause Measures
Rough ride
Rough ride
(1) The crawler is stuck in a stone.
(2) The track is too tight or too
loose.