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Miscellaneous—Troubleshooting
Continued on next page KR46761,00013A2 -19-22SEP16-4/5
Symptom Problem Solution
Auto-Idle Does Not Work
Auto-idle is off Turn auto-idle switch to the A/I ON
position.
Idle is not above 1000 rpm Advance engine speed dial to high
idle.
Hydraulic functions operating Release hydraulic functions for 10
seconds.
Engine Not Developing Full Power
Air lters restricted or dirty Replace air lter elements.
Fuel lters restricted Replace lters. Bleed air. Clean fuel
tank inlet screen. See Bleed Fuel
System. (Section 4-1.)
Fuel lter not installed correctly Install new lter and O-ring. Ensure
proper O-ring seal. Bleed air. See
Bleed Fuel System. (Section 4-1.)
Contaminated fuel Drain fuel tank. Replace primary fuel
lter and water separator. Replace
nal fuel lter. Bleed air. Add
clean fuel. See Bleed Fuel System.
(Section 4-1.)
Incorrect fuel Drain fuel tank and rell with correct
fuel.
Incorrect engine oil
Drain crankcase and rell with correct
oil.
Fuel line restricted
Repair or replace fuel line. Bleed air.
See Bleed Fuel System. (Section
4-1.)
Diesel exhaust uid empty Rell diesel exhaust uid (DEF) tank.
See Relling Diesel Exhaust Fluid
(DEF) Tank. (Section 3-1.)
Worn engine
See an authorized Hitachi dealer.
Hydraulic issue
See an authorized Hitachi dealer.
Engine Oil Pressure Low
Low crankcase oil level Fill crankcase to proper oil level.
Incorrect engine oil
Drain crankcase and rell with correct
oil.
Oil lter restricted Replace oil lter.
4-3-5
112321
PN=330
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