TROUBLESHOOTING
TESTING AND ADJUSTING
1. ENGINE CRANKSHAFT WILL NOT TURN WHEN START SWITCH IS ON
Cause
Correction
Battery Has Low Output
Make Reference to Item 27.
Wiring or Switches Have Defect
Make Reference to Item 27.
Starter Motor Solenoid Has A
Make Reference to Item 26.
Defect
Starter Motor Has A Defect
Make Reference to Item 26.
Inside Problem Prevents Engine
If the crankshaft can not be turned after disconnecting the driven
Crankshaft From Turning
equipment, remove the fuel nozzles and check for fluid in the cylin-
ders while turning the crankshaft. If fluid in the cylinders is not the
problem, the engine must be disassembled to check for other inside
problems. Some of these inside problems are bearing seizure, piston
seizure, or wrong pistons installed in the engine.
2. ENGINE WILL NOT START
Cause
Correction
Slow Cranking Speed
Make Reference to Item 27.
No Fuel In The Housing For The
Fill the housing for the fuel injection pumps with fuel with the
Fuel Injection Pumps
priming pump. Remove the air with the bleed valve.
Dirty Fuel Filter
Install new fuel filter.
Dirty or Broken Fuel Lines
Clean or install new fuel lines as necessary.
No Fuel To Cylinders
Put fuel in fuel tank. "Prime" (remove the air and/or low quality fuel
from the fuel system).
Bad Quality Fuel
Remove the fuel from the fuel tank. Install a new fuel filter element.
Put a good grade of clean fuel in the fuel tank.
Fuel Has "Cloud Point" Higher
Drain the fuel tank lines, and fuel injection pump housing. Change
Than Atmospheric Temperature
the fuel filter. Fill the tank with fuel which has the correct "cloud
("Cloud Point" = Temperature
point" and remove the air from the system with the priming pump.
Which Makes Wax Form In Fuel)
Wrong Fuel Injection Timing
Make adjustment to timing.
Over Fueling Spring Not Installed
Install over fueling spring.
