Troubleshooting; Engine; Engine Auxiliaries - Hitachi ZW 370-6 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 authorized dealer. Never attempt to adjust, disassemble, or repair the hydraulic and/or
electrical/electronic parts/components.

1. Engine

Consult the nearest authorized dealer for the engine troubleshooting.

2. Engine Auxiliaries

Problem
Batteries will not charge.
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
Loose engine fan V-belt
Damaged rubber hose
Faulty thermostat
Faulty coolant temperature gauge
Cooling system passages dirty
Radiator core or oil cooler core plugged
Radiator screen plugged
11-1
Solution
Replace
* Adjust and replace
* Repair
* Repair and replace
* Repair and replace
* Repair and replace
* Clean
Add
Adjust
* Replace
* Replace
* Replace
Flush cooling system
Clean radiator and oil cooler
Clean screen