Explorer GT 50, Руководство по обслуживанию и ремонту

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69
STARTER MOTOR INSPECITION
CARBON BRUSHES
When the brushes are worn, the motor will be unable to
produce sufficient torque, and the engine will be difficult to
turn over. To prevent the , periodically inspect the length of
the brushes and replace them when they are too short or
chipping.
Service limit
᧶
3.5mm(0.14in)
Commutator
If the commutator surface is dirty, starting performance will
decrease. Polish the commutator with #400 or similar fine
emery paper when it is dirty.
Service limit
᧶
0.2mm(0.008in)
Armature coil
using the pocket tester, check the coil for open and ground by
plcing probe pins on each commutator segment and rotor
core and on any two segments at various places. With the
brushes lifted off the commutator surface. If the coil is found
to be open-circuited or grounded, replace the armatrue.
Starter relay inspection
z
Disconnect lead wire (R/W) of the starter motor. Turn on
the igniton switch and squeeze the front or rear brake
lever, then inspect the continuity between the Red and
Red/White lead wires at the starter relay when pushing
the starter button.
If the starter relay is in sound condition, continuity is
found.
x
Disconnect the starter relay lead wire couple. Check the
coil for “open”, “ground” and ohic resistance. The coil is
in good condition, if the resistance is as follows:
STANDARD RESTANCE:
᧶
80-150Q
Segment
Mica