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POP-UP PUSH 8 ECO
Operator’s Safety and Maintenance Handbook ( rev.0.0.1.0210)
Section 5
MAINTENANCE
Troubleshooting
Problem
Cause
Repair
Platform does not raise
(motor not running)
1. Faulty wiring
1. Check the wiring referring to the
electrical schematic
2. Battery is disconnected
2. Reconnect the battery
3. Battery charge is insufficient
3.
Charge the battery
Platform does not raise
(motor running)
1. Faulty adjustment of relief
valve
1. Adjust relief valve
2. Faulty hydraulic pump
2. Replace power pack
3. Insufficient hydraulic oil
3. Add hydraulic oil
Platform creeps
(uncontrolled lowering)
1. Oil leakage in power pack
1. Replace lowering valve
2. Oil leakage from hydraulic
circuit
2. Check hydraulic circuit and repair
Oil leakage from cylinder
Faulty sealing
Replace sealing
Oil leakage from piping or joint
Insufficient tightening or seal
invalid
Tighten joint again or replace seal
Oil leakage from air breather
Excessive quantity of oil
Reduce oil quantity
