Nortrac 35XT Owner's Manual page 54

2.16.2 Electrical System Faults and Troubleshooting
2.16.2.1 Starter Faults and Troubleshooting
Fault
1. The starter does not
work.
2. Starter Failure
3. After the engine has been
started, the starter continues
to run but makes a sharp
noise.
Maintenance Instructions
Table 2-9 Starter Faults and Troubleshooting
Causes
(1) Battery capacity is insufficient.
(2) Battery terminal is dirty of the cable is loose
(3) Cable connection is loose
(4) The wires in control circuits such as the start
switch are broken.
(5) Poor contact between carbon brushes and
commutator in starter.
(6) Broken circuit or short circuit within the
starter.
(1) Battery capacity is insufficient.
(2) Poor battery cable connection.
(3) The commutator surface is burnt and/or has
oil stains.
(4) The carbon bush is abraded too much or the
spring pressure is insufficient, which causes poor
contact between the carbon bush and the
commutator.
(5) Bad contact in rectifier.
(6) The main contacts of the solenoid switch are
burned, resulting in a poor connection.
(7) The bearing is abraded severely, and the
armature grates against the case.
(1) Lever return spring is broken or loose.
(2) Tooth surface on starter pinion gear snapped
or locked.
(3) Stuck .contact(s) on starting relay.
(4) The ignition switch does not return
automatically after starting.
48
Solutions
(1) Charge the battery
according to the specifications.
(2) Remove dirt and corrosion
and tighten the
connector.
(3) Tighten cable connector.
(4) Check circuits for breaks
and shorts.
(5) Replace starter.
(6) Replace starter.
(1) Charge the battery
according to specifications.
(2) Tighten the
connections.
(3) Polish the commutator
surface or remove the oil
stains.
(4) Replace starter.
(5) Replace starter.
(6) Replace starter.
(7) Replace starter.
(1) Replace starter.
(2) Replace starter.
(3) Replace the starting relay.
(4) Replace the ignition
switch.
cable
cable