The engine is operating with too much load.
Reduce the load.
The timing of fuel injection pump is incorrect.
Adjust the timing.
The exhaust temperature Is too high.
A restriction exists in the air inlet or the exhaust system.
Remove the restriction.
The timing of the fuel injection pump is incorrect.
Adjust the timing of the fuel injection pump.
The staring motor does not turn. The starting motor
The battery is discharged.
Charge the battery. Replace a defective battery.
Clean all cable terminals and battery posts. Apply the
1 U-8267 Battery Saver and Cleaner on the cable
clamps and the battery posts. lighten the cable clamps
on the battery posts.
The terminals or the brushes of the starting motor have
a short circuit to ground.
Find the short circuit. Repair the short circuit.
The brushes of the starting motor do not seat against
the commutator correctly.
The brushes am worn, broken, oily or dirty. The
brushes must be cleaned or replaced. Clean the brush
The ignition switch, the starting motor solenoid, or the
start relay is damaged.
Replace the ignition switch, the starting motor solenoid,
or the star relay.
An excessive voltage drop exists in the cables or across
the terminals in the circuits for the starting motor. The
cables are loose at the terminals, corroded, or cracked.
The terminals are corroded or broken.
Inspect the cables and terminals for loose connections,
corrosion or other damage.
The staring motor turns, but the pinion gear does not
engage the flywheel ring gear.
The pinion drive or the overrunning clutch is defective.
Replace the pinion drive or the overrunning clutch.
The ring gear of the flywheel is damaged.
Replace the ring gear of the flywheel.
The shift lever or the linkage is damaged.
Replace the shift lever or the linkage.
The starting motor solenoid is damaged.
Replace the starting motor solenoid.
The armature or idler gear of the starting motor is
Replace the armature or idler gear.
The engine does not crank when the staring motor is
activated. The pinion gear engages the ring gear and the
flywheel begins to turn.
The battery has a low charge.
Refer to Problem 23.
The brush pressure on the commutator of the starting
motor is inadequate.
Check the tension of the spring for the brush. Refer to
The star relay is defective.
Replace the start replace.