9-7. PERFORMANCE TEST
IMPORTANT:
These tests must be performed within 3
-
5 seconds to avoid burning out the coil.
3) Check Plunger Return
Disconnect negative lead from switch body.
Check that plunger returns inward.
If plunger does not return, replace magnetic
switch.
1) Pull-in Test
Connect battery to magnetic switch as shown.
Check that plunger moves outward.
If plunger does not move, replace magnetic
switch.
Fig.
Before’testing,
disconnect field
coil lead from
terminal M
w
9-28
2) Hold-in Test
While connected as above with plunger out,
disconnect negative lead from terminal M.
Check that plunger remains out.
If plunger returns inward, replace magnetic
switch.
’
Fig. 930
4) No-load Performance Test
a)Connect battery and ammeter to starter as
shown.
b) Check that starter rotates smoothly and
steadily with pinion moving out. Check that
ammeter reads the specified current.
Specified current
Less than 60 A at 11.5 V
Fig.
931
Fig. 929
9-11