11-1
TROUBLESHOOTING
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 Cause Solution
Batteries will not be charged. Broken battery separator Replace
Faulty regulator * Adjust and replace
Faulty ground line * Repair
Faulty alternator * Repair or replace
Batteries discharge quickly after being
charged.
Shorted cable * Repair or replace
Shorted battery separator * Repair or replace
Increased sediment in battery * Replace
Coolant temperature is too high. Low coolant level Refill
Insufficient fan belt tension Adjust
Damaged rubber hose * Replace
Faulty thermostat * Replace
Faulty coolant temperature gauge * Replace
Items with * mark: Consult your nearest Hitachi dealer.
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