Troubleshooting - Hitachi ZAXIS 120-6 class Operator's Manual

Troubleshooting

If any machine trouble has occurred, immediately repair it. Make certain the cause of the trouble and take necessary
measures to prevent the reoccurrence of the same trouble.
In case troubleshooting is difficult, or measures marked with * must be taken, consult your authorized dealer. Never
attempt to adjust, disassemble, or repair the hydraulic and/or electrical/electronic parts/components.
IMPORTANT: Never attempt to disassemble or modify the hydraulic and electrical/electronic components.
Engine
Consult your authorized dealer for the engine troubleshooting.
Engine Auxiliaries
Problem
Batteries will not be charged.
Batteries discharge quickly after being
charged.
Coolant temperature is too high.
TROUBLESHOOTING
Cause
Broken battery separator
Faulty regulator
Faulty ground line
Faulty alternator
Shorted cable
Shorted battery separator
Increased sediment in battery
Low coolant level
Insufficient fan belt tension
Damaged rubber hose
Faulty thermostat
Faulty coolant temperature gauge
11-1
Replace
* Adjust and replace
* Repair
* Repair or replace
* Repair or replace
Replace
Replace
Refill
Adjust
* Replace
* Replace
* Replace
Items with * mark: Consult your authorized dealer.
Solution