Westerbeke 20B TWO Tehnical Manual page 75

3. Magnetic switch.
Perform the following tests. If any test result is not
satisfactory, replace the magnetic switch assembly.
a. Disconnect the wire from terminal "M."
b. Attraction test.
Connect a battery to the magnetic switch terminals
Sand M. The pinion must protrude.
CAUTION
Do not apply battery current for more than
10
seconds.
c. Holding test.
With a battery connected to the magnetic switch
terminal "S" and to the starter body, manually pull
out the pinion fully. The pinion must remain at that
position even when released from holding by hand.
CAUTION
Do not apply battery current for more than 1 0
seconds.
d. Return test.
With a battery connected to the magnetic switch
terminal "M" and to the starter body, manually pull
out the pinion fully. The pinion must return to its
original position when released from holding by
hand.
CAUTION
Do not apply battery current for more than 1 0
seconds.
73
Starter
Attraction Test
Starter
Holding Test
Starter
Return Test
Westerbeke Engines