Kohler Command Pro CV980 - Manual (Page 70)

7.20
Section 7
Electrical System and Components
Wear Limit Length
7.6 mm (0.300 in.)
Mica Insulation
Commutator O.D.
Inspection
Drive Pinion
‘ŽŒ”ȱŠ—ȱ’—œ™ŽŒȱ‘Žȱ˜••˜ ’—ȱŠ›ŽŠœDZ
Šǯȱ ‘Žȱ™’—’˜—ȱŽŽ‘ȱ˜›ȱŠ‹—˜›–Š•ȱ ŽŠ›ȱ˜›ȱ
damage.
‹ǯȱ ‘Žȱœž›ŠŒŽȱ‹Ž ŽŽ—ȱ‘Žȱ™’—’˜—ȱŠ—ȱ‘ŽȱŒ•žŒ‘ȱ
mechanism for nicks, or irregularities which
could cause seal damage.
Œǯȱ ‘ŽŒ”ȱ‘Žȱ›’ŸŽȱŒ•žŒ‘ȱ‹¢ȱ‘˜•’—ȱ‘ŽȱŒ•žŒ‘ȱ
housing and rotating the pinion. The pinion
should rotate in one direction only.
Brushes and Springs
—œ™ŽŒȱ‹˜‘ȱ‘Žȱœ™›’—œȱŠ—ȱ‹›žœ‘Žœȱ˜›ȱ ŽŠ›ǰȱŠ’žŽǰȱ
˜›ȱŠ–ŠŽǯȱŽŠœž›Žȱ‘Žȱ•Ž—‘ȱ˜ȱŽŠŒ‘ȱ‹›žœ‘ǯȱ‘Žȱ
–’—’–ž–ȱ•Ž—‘ȱ˜›ȱŽŠŒ‘ȱ‹›žœ‘ȱ’œ 7.6 mm
(0.300 in.)ǯȱŽŽȱ’ž›ŽȱŝȬřřǯȱŽ™•ŠŒŽȱ‘Žȱ‹›žœ‘Žœȱ’ȱ‘Ž¢ȱ
Š›Žȱ ˜›—ȱž—Ž›œ’£Žǰȱ˜›ȱ‘Ž’›ȱŒ˜—’’˜—ȱ’œȱšžŽœ’˜—Š‹•Žǯ
Figure 7-33. Checking Brushes.
Armature
ȱ ŗǯȱ •ŽŠ—ȱŠ—ȱ’—œ™ŽŒȱ‘ŽȱŒ˜––žŠ˜›ȱǻ˜žŽ›ȱ
œž›ŠŒŽǼǯȱ‘Žȱ–’ŒŠȱ’—œž•Š’˜—ȱ–žœȱ‹Žȱ•˜ Ž›ȱ‘Š—ȱ
‘ŽȱŒ˜––žŠ˜›ȱ‹Š›œȱǻž—Ž›ŒžǼȱ˜ȱŽ—œž›Žȱ™›˜™Ž›ȱ
˜™Ž›Š’˜—ȱ˜ȱ‘ŽȱŒ˜––žŠ˜›ǯȱŽŽȱ’ž›ŽȱŝȬřŚǯ
Figure 7-34. Commutator Mica Inspection.
ȱ Řǯȱ œŽȱŠ—ȱ˜‘––ŽŽ›ȱœŽȱ˜ȱ‘Žȱ¡ŗȱœŒŠ•Žǯȱ˜žŒ‘ȱ‘Žȱ
™›˜‹Žœȱ‹Ž ŽŽ—ȱ ˜ȱ’쎛Ž—ȱœŽ–Ž—œȱ˜ȱ‘Žȱ
Œ˜––žŠ˜›ǰȱŠ—ȱŒ‘ŽŒ”ȱ˜›ȱŒ˜—’—ž’¢ǯȱŽŽȱ’ž›Žȱ
ŝȬřśǯȱŽœȱŠ••ȱ‘ŽȱœŽ–Ž—œǯȱ˜—’—ž’¢ȱ–žœȱŽ¡’œȱ
‹Ž ŽŽ—ȱŠ••ȱ˜›ȱ‘ŽȱŠ›–Šž›Žȱ’œȱ‹Šǯ
Figure 7-35. Checking Armature.
ȱ řǯȱ ‘ŽŒ”ȱ˜›ȱŒ˜—’—ž’¢ȱ‹Ž ŽŽ—ȱ‘ŽȱŠ›–Šž›ŽȱŒ˜’•ȱ
segments and the commutator segments. See
’ž›ŽȱŝȬřśǯȱ‘Ž›Žȱœ‘˜ž•ȱ‹Žȱ—˜ȱŒ˜—’—ž’¢ǯȱ ȱ
Œ˜—’—ž’¢ȱŽ¡’œœȱ‹Ž ŽŽ—ȱŠ—¢ȱ ˜ǰȱ‘ŽȱŠ›–Šž›Žȱ
’œȱ‹Šǯ
ȱ Śǯȱ ‘ŽŒ”ȱ‘ŽȱŠ›–Šž›Žȱ ’—’—œȦ’—œž•Š’˜—ȱ˜›ȱ
shorting.
Shift Fork
‘ŽŒ”ȱ‘Šȱ‘Žȱœ‘’Ğȱ˜›”ȱ’œȱŒ˜–™•ŽŽǰȱŠ—ȱ‘Žȱ™’Ÿ˜ȱ
and contact areas are not excessively worn, cracked, or
‹›˜”Ž—ǯ
Continuity Check
Armature
Coil
Insulation
Check