Wacker Neuson G 14, Operator'S Manual

Page: 59 / 68

G 14 Maintenance
wc_tx001169gb.fm
59
6.12 Troubleshooting
Problem Cause Remedy
Engine is difficult to start
1. Fuel is contaminated
2. Valve clearance is
incorrect
3. Engine oil is thick due
to cold weather
4. Battery is discharged
1. Clean fuel filter and
fuel tank. Remove
water, dirt, and other
impurities.
2. Check and adjust
valve clearance if
necessary.
3. Change grade of oil
according to ambient
temperature.
4. Charge or replace
battery.
Engine does not start
1. Battery is discharged
2. Alternator is
malfunctioning or
connections are loose
3. A fuse has blown
1. Charge or replace
battery.
2. Check alternator or
connections. Repair
as needed.
3. Replace fuse.
Engine power output is
low
1. Fuel injection system
is dirty or out of
adjustment
2. Valve clearance is
incorrect
3. Air cleaner is dirty
4. Engine is overheated
1. Clean and/or adjust
fuel injection system
2. Check and adjust
valve clearance if
necessary
3. Clean air cleaner.
4. Consult engine
operator’s manual.
Engine stops
1. Fault condition has
occurred
2. Fuel tank is empty
3. Fuel injection nozzle
is dirty or
malfunctioning
1. Identify and remedy
fault condition.
2. Add fuel.
3. Clean or replace fuel
injection nozzle.
Engine exhaust is black
and excessive
1. Fuel is of poor quality
2. Fuel injection nozzle
is dirty or
malfunctioning
3. Combustion is
incomplete
1. Use only high-quality
diesel fuel.
2. Clean or replace fuel
injection nozzle.
3. Consult engine
operator’s manual.