PROBLEM 1
Engine will not turn over to start.
POSSIBLE CAUSES
Dead battery; Loose connection on battery; Starter, start
solenoid (MS1) relay, or starter solenoid (SS) worn.
CHECKS
Check for voltage at battery terminals while attempting to turn over engine. (See Te st
5.)
10 volts DC or more 10 volts DC or less
Check 120 amp circuit breaker.
If Good If Bad
Check battery static volts. (See Tes t
1.)
12 Volts DC or more
12 Volts DC or less
Replace circuit breaker. Charge or replace battery.
Check fuse F15.
If Good If Bad
Check electrical connections in starter circuit from
battery to starter.
Connections Good Connections Bad
Check cab start switches and
starter circuit connections.
Clean connections
or replace starter.
Replace fuse.
Check start solenoid (MS1) relay.
If Good
If Bad
Replace start solenoid (MS1) relay or wiring.
Check starter solenoid (SS) and starter motor.
If Good
If Bad
Repair or replace solenoid (SS) or motor.
Disengage clutch and attempt to start engine.
Engine Turns
Engine Does Not Turn
Pump or drive damage.
Disassemble and investigate.
Engine or flywheel is damaged. Disassemble and
investigate. (See engine manual.)