11-2
TROUBLESHOOTING
3. Engine does not Start.
Problem
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 or 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 or replace
Battery disconnect switch is OFF.
Turn the switch to ON position.
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 or replace
Reduced compression pressure
* Repair or replace
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
1-106.
DEF tank is empty.
Supply DEF.
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 feed pump strainer
Clean
Air mixed in the fuel supply line
Bleed air
Poor fuel quality
Replace
f
NOTE: * Consult your nearest authorized dealer.
Summary of Contents for ZW 550-6
Page 4: ......
Page 10: ...CONTENTS SPECIFICATIONS 12 1 Specifications 12 1 Intended Use 12 1 INDEX 14 1 ...
Page 12: ...MACHINE NUMBERS 2 Aftertreatment Device SCR TYPE MFG NO DOC TYPE MFG NO 95Z7B SCR4 95Z7B SCR4 ...
Page 54: ...SAFETY LABELS S 42 2 25 7 4 1 26 1 8 9 5 6 11 12 10 24 115Z7B S 42US ...
Page 148: ...OPERATOR S STATION 1 84 MEMO ...
Page 208: ...OPERATOR S STATION 1 144 MEMO ...
Page 210: ...BREAK IN 2 2 MEMO ...
Page 226: ...OPERATING THE ENGINE 3 16 MEMO ...
Page 274: ...OPERATING THE MACHINE 5 28 MEMO ...
Page 354: ...MAINTENANCE 7 70 MEMO ...
Page 418: ...9 4 MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS MEMO ...
Page 422: ...10 4 STORAGE MEMO ...
Page 428: ...11 6 TROUBLESHOOTING MEMO ...
Page 430: ...SPECIFICATIONS 12 2 MEMO ...
Page 438: ...INDEX 14 8 ZW550 6 US MEMO ...