Troubleshooting - Hitachi ZAXIS 135US-5B 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 the nearest Hitachi dealer. Never
attempt to adjust, disassemble, or repair the hydraulic and/or electrical/electronic parts/components.
IMPORTANT: Never attempt to disassemble or modify the electrical/electronic components.
Engine
Consult the nearest Hitachi 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
Items with * mark: Consult your nearest Hitachi dealer.
11-1
Solution
Replace
* Adjust and replace
* Repair
* Repair or replace
* Repair or replace
* Repair or replace
* Replace
Refill
Adjust
* Replace
* Replace
* Replace