Troubleshooting - Hino Motors J08E-VC Workshop Manual

TROUBLESHOOTING

Symptom
Engine does not crank, or cranks
slowly. (Starter switch)
Engine does not crank, or cranks
slowly. (Battery)
Engine does not crank, or cranks
slowly. (Engine oil)
Engine does not crank, or cranks
slowly. (Magnetic switch)
Engine does not crank, or cranks
slowly. (Starter relay)
Engine does not crank, or cranks
slowly. (Starter)
Engine does not crank while starter
is running in good condition.
(Overrunning clutch)
Starter does not stop running.
(Starter switch)
Starter does not stop running.
(Starter relay)
STARTER (J08E)
Possible cause
Poor contact
Discharged battery
Short circuited between electrodes
Poor contact at battery terminal
Improper viscosity oil
Poor contact caused by burnt contact
plate
Contact plate worn out
Holding coil disconnected (Overrun-
ning clutch moves back and forth)
Pull-in coil disconnected or short cir-
cuited
Defective or poor contact
Brush worn out
Commutator burnt out
Commutator worn out
Field winding shorted or grounded
Armature winding shorted or grounded Replace the armature assembly.
Insufficient brush spring tension
Poor contact between magnetic switch
and field windings
Armature contact pole core because of
worn bearing bushing or bent arma-
ture shaft
Overrunning clutch malfunction
Overrunning clutch malfunction
Pinion teeth worn out
Poor sliding of spline teeth
Contacts keep closing
Key switch sticks
Overrunning clutch sticks to armature
Contacts keep closing
Remedy/Prevention
Replace the starter switch.
Charge.
Replace battery.
Clean or retighten.
Change oil.
Replace the magnetic switch assem-
bly.
Repair or replace the starter relay.
Replace.
Replace the armature assembly.
Replace the yoke assembly.
Replace the brush spring.
Repair.
Replace the end frame or armature
assembly.
Replace.
Replace.
Replace.
Remove foreign particles, dirt or
replace.
Replace.
Replace.
Repair or replace overrunning or
armature.
Repair or replace.
EN12–3
EN0110612F300001