Mitsubishi S4S Service Manual page 147

2) No-Ioad test
After adjusting the pinion clearance, conneet the
starter as shown, and test it for no-Ioad
characteristics.
. - - - - - - - 1
l
& CAUTION
) f - - - - - - - .
Use wires as thick as possible and tighten each
terminal securely.
Starter
Voltage, Current, Speed,
V
A
min:'
No-laad l2V -2.2kW 11
130
3800
character-
or less or more
istic
12V -3kW
180 3800
11
or less or more
(3) Magnetic switch
(a) Testing coil for open circuits
If there is no continuity between S and M
terminals and between S terminal and ground,
replace the switch.
(b) Checking contactors for fusion
If there is any continuity between Band M
terminals, replace the switch.
(c) Checking contactors for poor contact action
Check the voltage drop across the contactors.
If voltage drop is excessive, the contactors are
defective.
Ammeter
M terminal
ELECTRICAL SYSTEM
V Voltmeter
No-load test hookup
S terminal
B terminal
Magnetic switch terminals
12-9