SELVA MARINE Blue Whale 250 EFI, Service Manual

Page: 342 / 377

ELEC
Electrical system
– +
8-37
6P23H11
4. Check the armature for continuity.
Replace if out of specifications.
Checking the brush
1. Measure the brush length. Replace the
brush assembly if below specification.
2. Check the brush holder assembly for
continuity. Replace if out of specification.
Checking the magnet switch
1. Connect the tester leads between the
magnet switch terminals as shown.
2. Connect the positive battery lead to the
brown (Br) lead.
3. Connect the negative battery lead to the
starter motor body.
CAUTION:
Do not connect the battery for more than
1 second, otherwise the magnet switch
can be damaged.
4. Check that there is continuity between
the magnet switch terminals. Replace if
there is no continuity.
5. Check that there is no continuity between
the main switch terminals when the neg-
ative battery terminal is removed from
the starter motor body. Replace if there is
continuity.
Armature continuity
Commutator segments
b
Continuity
Segment –
Armature core
c
No continuity
Segment –
Armature shaft
d
No continuity
Brush standard length:
15.5 mm (0.61 in)
Wear limit
a
: 9.5 mm (0.37 in)
Brush continuity
Brush
1
– Brush
2
No continuity
S69J8440
S6P28790C
Br