ELECTRIC STARTER
A
12-volt electric starter with negative ground
is
used
for cranking the generator set. When the starter is ener-
gized, an inertial engagement system causes thestarter
pinion gear to engage the
ring
gear on the fan hub
assembly.
As
the starter spins, the starter pinion gear
drives the ring gear causing the generator set to crank.
Because the starter
is
an integral part
of
the set control
system, check the complete control before servicing the
starter. Use the following procedures to disassemble,
inspect, and assemble the starter.
b
It
is
necessary to remove the generator set from the
vehicle before the starter can be serviced. Refer
to
Set
Removal instructions in section
5.
Disassembly
1.
2.
3.
4.
5.
Verify that the generator set starting battery
has
been disconnected, negative
(-)
cable first, before
proceeding. Remove the generator set outer hous-
ing
and disconnect the positive
(+)
cable from the
starter lug.
Remove the starter mounting bolts. Remove the rear
support mounting nut and loosen the rear starter
support bracket mounting bolt.
Carefully disengage the starter from the end bell.
Use a
1
/8
to
5/32
inch nail set to remove the roll pin
from
the armature shaft. Remove the return spring,
gear and clutch assembly as required. When reas-
sembling always use a new roll pin. See Figure
Remove the starter through bolts and carefully
separate the brush end cap housing and armature
assembly.
6-21.
THROUGH
BOLTS
w
STARTER
5/32"
TO
1
Is"
NAIL
SET
SUPPORT PLASflC
RETAINER WH
A
WSE
OR
OTHER
SOUD
SURFACE
,I
'I
USE CARE NOT
TO
HAVE
SPRING
RETURN
RETAINER
8
SUPPORT
WHEN
DRMNG
OUT
ROLL
PIN
'LEG-
BETWEEN
THE
Pmnc
I
I I
I
I
supwRTl
Es-1609-1
FIGURE
6-21.
DRIVING ROLL
PIN
OUT
6-21
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