TROUBLESHOOTING
11-2
Engine does not Start.
Symptom
Cause
Solution
The starter does not turn.
Reduced battery voltage
Charge the batteries. Replace.
High resistance in the starter circuit
* Clean and/or retighten the
battery terminals and starter
terminals
Faulty key switch
* Replace
Damaged wire harness
* Repair, Replace
Faulty battery relay
* Replace
Blown slow blow fuse link
* Replace
The forward/reverse selector lever is in either
the forward or reverse position.
Return to neutral.
Faulty starter
* Repair, Replace
Battery disconnect switch is turned OFF.
Turn the switch ON.
Although the starter turns, the engine
does not start.
Use of poor quality fuel, insufficient fuel, lack
of fuel
Change fuel. Refill tank with
good quality fuel.
Faulty glow plug
* Replace glow plug
Air mixed in the fuel supply line
Bleed air
Faulty injection pump or nozzle
* Repair, Replace
Reduced compression pressure
* Adjust
Engine speed does not increase.
During fan reversing operation, the F, R, or
parking switch was deactivated or the Fan
reverse rotation switch was turned OFF.
Rotate the fan in normal
direction. Refer to the fan
reverse switch on page 1-108.
DEF/AdBlue® tank is empty.
Supply DEF/AdBlue®.
The accelerator pedal function is abnormal.
Replace the accelerator pedal
or parts.
Although the engine cranks, running
speed is low and easy to stall.
Deteriorated engine oil
Change engine oil
Contaminated injection nozzle
* Replace
Clogged fuel filter
Replace
Clogged fuel pre-filter
Replace
Clogged feed pump strainer
Clean
Air mixed in the fuel supply line
Bleed air
Poor fuel quality
Replace
* Consult your authorized Hitachi dealer.
Control Lever
Symptom
Cause
Solution
Hard to move
Rusted joint
* Lubricate, Repair
Worn pusher
* Replace
Does not move smoothly
Worn pusher
* Repair, Replace
Faulty pilot valve
* Replace
Does not return to neutral
Faulty pilot valve
* Replace
The lever is tilted in the neutral position
due to increase in play
Worn joint
* Repair, Replace
Faulty pilot valve
* Replace
The lever is not held with magnetic
detent.
Faulty magnetic solenoid
* Replace
Faulty sensor
* Replace
* Consult your authorized Hitachi dealer.
Summary of Contents for ZW 310-6
Page 4: ......
Page 10: ...CONTENTS MEMO ...
Page 14: ...INTENDED USE 2 MEMO ...
Page 57: ...SAFETY SIGNS S 43 ZW310 6 SS 3777 2 ...
Page 59: ...SAFETY SIGNS S 45 ZW330 6 92Z7B S 40EU ...
Page 246: ...BREAK IN 2 2 MEMO ...
Page 280: ...DRIVING MACHINE 4 20 MEMO ...
Page 460: ...MAINTENANCE 7 146 MEMO ...
Page 464: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 4 MEMO ...
Page 468: ...STORAGE 10 4 MEMO ...
Page 474: ...TROUBLESHOOTING 11 6 MEMO ...
Page 498: ...INDEX 14 6 MEMO ...
Page 502: ...CONFORMITY MEMO ...
Page 506: ......