Troubleshooting - Ezgo 1600xd Repair Manual

3. TROUBLESHOOTING

Symptom
Impossible to extend dumping cylin-
der or slow extending speed
Impossible to retract dumping cylinder
Dumping cylinder retracted with no
operation
Vibration and noise
Excessively hot oil temperature
11
-18
HYDRAULIC SYSTEM - TROUBLESHOOTING
Possible cause
• Faulty hydraulic pump
• Broken control valve or incorrect installation
• Faulty relief valve
• Faulty hydraulic piston seal
• Insuffi cient operating oil
• Faulty control valve or foreign material
entered
• Faulty control valve
• Faulty hydraulic piston seal
• Worn cylinder
• Insuffi cient operating oil
• Relief valve operated
• Insuffi cient operating oil
• Faulty hydraulic pump
• High relief pressure
Remedy
• Replace
• Inspect or replace
• Inspect or replace
• Replace
• Add oil
• Inspect or, clean replace
• Inspect or replace
• Replace
• Replace
• Add oil
• Adjust
• Add oil
• Replace
• Adjust
SUUV-W00 Apr. 2011