TROUBLESHOOTING
11-2
Impossible to Start the Engine
Problem
Cause
Solution
Eng
ine will not star
t
Starter does not rotate or is not
powerful
Discharged battery
Charge or replace battery
Disconnected, loose, or corroded battery
terminals
After repairing the corroded
area, securely tighten the
connectors
Lowered pilot control shut-off lever
Pull pilot control shut-off lever
up
Disconnected, loose, or corroded starter
ground line terminals
After repairing the corroded
area, securely tighten the
connectors
Faulty pilot control shut-off lever electrical
system
Repair
Too high engine oil viscosity
Change engine oil with
appropriate viscosity
Faulty starter and/or electrical system
* Repair and replace
Battery disconnect switch is OFF position
Turn battery disconnect switch
to the ON position
Starter rotates
No fuel
After checking that no fuel is
leaking, refill fuel
Air in the fuel system
Bleed air
Clogged fuel filter
After draining water, replace
the element
Frozen fuel
Warm the fuel pump with
hot water or wait until the
atmospheric temperature rises
Engine stop switch is ON
* Repair and replace
Faulty preheat system
* Repair and replace
Even though the engine is started, the
engine stalls soon
Too low idle speed
* Repair and replace
Clogged fuel filter
After draining water, replace
the element
Clogged pre-fuel filter
Clean or replace the element
Faulty engine control system
* Repair and replace
Clogged air cleaner
Clean or replace the element
Faulty injection pump
* Repair and replace
Engine runs irregularly
Faulty fuel system
* Repair and replace
Water or air in the fuel system
Drain water or bleed air
Faulty engine control system
* Repair and replace
Clogged muffler filter
* Repair and replace
Items with * mark: Consult your nearest Hitachi dealer.
Summary of Contents for 090001
Page 4: ......
Page 9: ...CONTENTS Bucket Teeth Transverse Type Pin Used Type 13 18 INDEX 14 1 ...
Page 10: ...CONTENTS MEMO ...
Page 14: ...MACHINE NUMBERS 4 MEMO ...
Page 64: ...MEMO SAFETY SIGNS S 50 ...
Page 198: ...OPERATOR S STATION 1 134 MEMO ...
Page 200: ...BREAK IN 2 2 MEMO ...
Page 212: ...OPERATING THE ENGINE 3 12 MEMO ...
Page 266: ...OPERATING THE MACHINE 5 46 MEMO ...
Page 398: ...MAINTENANCE 7 124 MEMO ...
Page 399: ...8 1 HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT Hydraulic Circuit MDAA 08 001 ...
Page 402: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 2 MEMO ...
Page 404: ...STORAGE 10 2 MEMO ...