MBW GPR160 - Manual (Page 21)

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Troubleshooting
SYMPTOM REPAIR
Engine does not start or stalls.
1. Fuel valve is closed, open valve (gasoline engine).
2. Engine switch is in “STOP” position, turn switch to “ON” position (gasoline
engine).
3. Fouled spark plug, clean or replace spark plug (gasoline engine).
4. Dirty or pugged injection nozzle, clean or replace if damaged.
5. Electric start; low battery charge, recharge battery.
6. Starter motor defective or worn, replace starter motor.
7. Defective or worn ignition switch, replace ignition switch.
Engine does not accelerate, is hard to
start or runs erratically.
1. Improper or old fuel, remove all fuel from tank & engine and replace with
the proper fresh fuel.
2. Fouled spark plug, clean or replace spark plug (gasoline engine).
3. Dirty or plugged fuel filter, replace with new fuel filter.
4. Dirty or plugged injection nozzle, clean or replace if damaged.
5. Dirty or clogged air cleaner, clean or replace.
Engine over heats or runs hot. 1. Cooling fins are dirty or plugged, remove debris and clean.
Engine runs at full speed but machine
does not move.
1. Belt tension too loose, tighten belt per Belt Adjustment section of this
Manual.
2. Worn belt, replace belt.
3. Clutch malfunction, replace clutch.
Slow or no forward travel speed.
1. Too much hydraulic fluid in control head, set fluid level per Bleeding and
Adjustment of Hydraulic Controls section of this manual.
2. Belt is slipping, tighten belt per Belt Adjustment section of this Manual.
3. Incorrect engine rpm., reset engine rpm per Specifications section of this
manual.
4. Material build-up on bottom of plate, remove all debris from bottom of
plate.
5. Mechanical failure, requires authorized MBW service repair.
Slow or no reverse travel speed.
1. Not enough hydraulic fluid in control head, set fluid level per Bleeding and
Adjustment of Hydraulic Controls section of this manual.
2. Air in the hydraulic system, bleed system per Bleeding and Adjustment of
Hydraulic Controls section of this manual.
3. Improper adjustment of hydraulic control system, requires authorized
MBW service repair.
4. Incorrect engine rpm., reset engine rpm per Specifications section of this
manual.
5. Material build-up on bottom of plate, remove all debris from bottom of
plate.
6. Mechanical failure, requires authorized MBW service repair.
Loss of hydraulic oil.
1. Leaking hydraulic connections, tighten connections.
2. Leaking hydraulic line, replace hydraulic hose.
3. Worn or damaged piston seals, requires authorized MBW service repair.