John Deere 318 - Manual (Page 344)

3d
Solenoid Shift
Starter—No Load
Running Test
M77935 -UN-17JAN95
Disconnect battery
ground cable.
Remove starter and
mount in a vise.
Use jumper cables to
connect starter to
machine battery or
battery of similar
capacity.
Connect positive clamp
(A) to positive (+)
battery cable terminal
on starter solenoid.
Connect negative (—)
battery cable (B) to
starter body.
Connect jumper wire
(C) to the solenoid coil
terminal and to positive
cable clamp as shown.
Starter should engage
and run.
STARTER DOESN’T
RUN: Repair starter.
(See CTM2.)
STARTER ENGAGES
AND RUNS: GO TO
3e
3e
Solenoid Shift
Starter—No Load
RPM Test
M77936 -UN-18JAN95
Mount starter in a vise
and connect to a
battery as instructed in
3d
With starter running,
check no load rpm with
a tachometer such as
JT05719. (Follow
manufacturer
instructions with the
tachometer.)
No load rpm should be
about 7000.
RPM NO LESS THAN
7000: GO TO
3f
RPM BELOW 7000:
Make sure battery is of
proper rating size and
fully charged. If not,
repeat test as needed
with proper size battery
that’s fully charged.
If battery is OK, repair
or replace starter. (See
CTM2.)
MX,159024030,9 -19-16MAY95
MX,159024030,10-19-16MAY95
Electrical System Component Tests and Adjustments/Starter Tests
TM1590 (17MAY95)
240-25-4
316, 318 & 420 Lawn and Garden Tractors
020895
240
25
4