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 TROUBLE-SHOOTING GUIDE
CAUSE
INDICATED BY
REMEDY
ENGINE FAILS TO CRANK
OVER:
1. Dead battery
Low electrolyte reading
Charge battery
2.
Machine in gear
Forward-reverse lever not in
Select neutral position
neutral
3. No electrical current to start
Electrical system inoperative
Check wiring from starter
switch
circuit
4. Defective neutral start switch
No electrical current to starter
Check by installing a jumper
wire across neutral switch.
Replace if defective.
5. Defective starter relay
Electrical current but no
Check for proper ground.
operation
Replace if defective.
ENGINE CRANKS OVER BUT
FAILS TO START:
1. Insufficient fuel
Low fuel level reading
Fill fuel tank
2. Restricted fuel flow
a) Dirty fuel filter
Change fuel filter
b) Restricted or broken fuel
Blow out all fuel lines with
lines
compressed air
c) Air in fuel system
Replace damaged lines
Locate and correct leak
Bleed fuel system
3. Water in fuel
-
Drain, clean and refill fuel
tank
4. Insufficient air
Excessive black smoke while
a) Check for intake restriction
cranking engine
b) Change air filter element
No smoke while cranking
5. Fuel solenoid not opening
engine
a) Release handbrake
b) Check wiring from ignition
switch to fuel solenoid for
broken circuit
c) Check fuel solenoid for
proper operation
6. Low engine compression
a) Excessive black smoke
Refer to engine manual
b) Low compression reading
Refer to engine manual
ENGINE RUNS ROUGH:
1. Air system
--
Check for air intake restriction
2. Fuel system
a) Dirty fuel filter
Change fuel filter
b) Restricted or broken fuel
Blow out all fuel lines with
lines
compressed air
c) Air in fuel system
Locate and correct leak
Bleed fuel system
d) Water in fuel
Drain, Clean and refill fuel tank
Rev.760501
400-5.1
K300
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