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Trouble and possible cause Possible remedy
C. Unsteady generator electric current
(1) Loosened generator belt
(2) Rotator winding or stator winding near short
circuit or broken circuit.
(3) Low pressure of block brush spring and defective
contraction of block brush
(4) Loose terminals
D. Abnormal sound in generator
(1) Generator wrongly mounted
(2) Generator bearing damaged
(3) Rotator hitting stator or other parts
(1) Adjust belt tension or replace belt
(2) Repair or replace rotator winding or stator
Winding
(3) Repair or replace block brush spring
(4) Repair
(1) Remount the generator correctly
(2) Replace generator bearings
(3) Repair
Trouble and possible cause Possible remedy
A. Starter will not work
(1) Connecting wire broken of defective contraction
of connecting wire and switch contacts
(2) Fuse blown
(3) Battery no electricity or low battery voltage
(4) No contraction of block brushes with direction
exchangers
(5) Short circuit of starter
B. Starter can run but cannot start engine
(1) Shaft bushing excessively worn out and rotator
frictioning with magnet
(2) Defective contraction of block bushes with
direction exchangers.
(3) Direction exchanger surface burnt of stained
with oil
(4) Welding of wire connecting armature and
direction exchanger broken
(5) Defective contraction of wire
(6) Magnetic switch contacts sintered
(7) Battery insufficiently charged
(8) Low atmosphere temperature
(1) Weld or replace connecting wire, clean the
oil on contacts and tighten the nuts on contacts
(2) Replace fuse
(3) Charge battery
(4) Change block brush, adjust brush spring
pressure
(5) Remove short circuit
(1) Replace shaft bushing
(2) Flush direction exchanger surface, correct
brush contacting surface and adjust spring
pressure
(3) Grind direction exchanger surface, remove
oil on direction exchanger surface
(4) Re-weld
(5) Tighten nuts
(6) Repair magnetic switch contacts
(7) Charge battery
(8) Use starting methods at low atmosphere
Temperature
2.Generator
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