Kohler Command Pro CV980 - Manual (Page 75)

7.25
Section 7
Electrical System and Components
7
VOM Leads
12 volt Test Leads
Momentary
Connection Only
Solenoid Test Procedure
Solenoid Shift Style Starters
’œŒ˜——ŽŒȱŠ••ȱ•ŽŠœȱ›˜–ȱ‘Žȱœ˜•Ž—˜’ȱ’—Œ•ž’—ȱ
‘Žȱ™˜œ’’ŸŽȱ‹›žœ‘ȱ•ŽŠȱŠĴŠŒ‘Žȱ˜ȱ‘Žȱ•˜ Ž›ȱœžȱ
terminal. Remove the mounting hardware and
separate the solenoid from the starter for testing.
Test 1. Solenoid Pull-In Coil/Plunger Actuation
Test.
œŽȱŠȱŗŘȱŸ˜•ȱ™˜ Ž›ȱœž™™•¢ȱŠ—ȱ ˜ȱŽœȱ•ŽŠœǯȱ
˜——ŽŒȱ˜—Žȱ•ŽŠȱ˜ȱ‘Žȱ̊ȱœ™ŠŽȱȃȦœŠ›ȄȱŽ›–’—Š•ȱ
on the solenoid. Momentarily* connect the other lead
˜ȱ‘Žȱ•˜ Ž›ȱ•Š›Žȱ™˜œȱŽ›–’—Š•ǯȱŽŽȱ’ž›ŽȱŝȬśŗǯ
‘Ž—ȱ‘ŽȱŒ˜——ŽŒ’˜—ȱ’œȱ–ŠŽȱ‘Žȱœ˜•Ž—˜’ȱœ‘˜ž•ȱ
Ž—Ž›’£ŽȱǻŠž’‹•ŽȱŒ•’Œ”ǼǰȱŠ—ȱ‘Žȱ™•ž—Ž›ȱ›Ž›ŠŒǯȱ
Repeat the test several times. If the solenoid fails to
ŠŒ’ŸŠŽǰȱ’ȱœ‘˜ž•ȱ‹Žȱ›Ž™•ŠŒŽǯȱ
Ș:ȱ ȱȱ•ŽŠŸŽȱ‘ŽȱŗŘȱŸ˜•ȱŽœȱ•ŽŠœȱ
connected to the solenoid for any time
over what is necessary for performing
each of the individual tests. Internal
damage to the solenoid may otherwise
occur.
Figure 7-51. Testing Pull-In Coil/Plunger Actuation.
Test 2. Solenoid Pull-In Coil/Contact Continuity
Test.
œŽȱŠ—ȱ˜‘––ŽŽ›ȱœŽȱ˜ȱ‘ŽȱŠž’‹•Žȱ˜›ȱ¡Ř
ȱœŒŠ•ŽǰȱŠ—ȱ
connect the two ohmmeter leads to the two large post
Ž›–’—Š•œǯȱŽ›˜›–ȱ‘Žȱ™›ŽŒŽ’—ȱŽœȱǻŗǼȱŠ—ȱŒ‘ŽŒ”ȱ
˜›ȱŒ˜—’—ž’¢ǯȱŽŽȱ’ž›ŽȱŝȬśŘǯȱ‘Žȱ˜‘––ŽŽ›ȱœ‘˜ž•ȱ
indicate continuity, if no continuity is indicated the
œ˜•Ž—˜’ȱœ‘˜ž•ȱ‹Žȱ›Ž™•ŠŒŽǯȱŽ™ŽŠȱŽœȱœŽŸŽ›Š•ȱ’–Žœȱ
˜ȱŒ˜—ę›–ȱŒ˜—’’˜—ǯ
Figure 7-52. Testing Pull-In Coil/Solenoid Contact
Continuity.
Test 3. Solenoid Hold-In Coil Function Test.
˜——ŽŒȱ˜—ŽȱŗŘȱŸ˜•ȱŽœȱ•ŽŠȱ˜ȱ‘Žȱ̊ȱœ™ŠŽȱȃȦ
start” terminal on the solenoid, and the other lead to
‘Žȱ‹˜¢ȱ˜›ȱ–˜ž—’—ȱœž›ŠŒŽȱ˜ȱ‘Žȱœ˜•Ž—˜’ǯȱ‘Ž—ǰȱ
manually push the plunger “In” and check if the
ȃ˜•Ȭ—ȄȱŒ˜’•ȱ‘˜•œȱ‘Žȱ™•ž—Ž›ȱ›Ž›ŠŒŽǯȱŽŽȱ’ž›Žȱ
ŝȬśřǯȱ˜ȱ—˜ȱŠ••˜ ȱ‘ŽȱŽœȱ•ŽŠœȱ˜ȱ›Ž–Š’—ȱŒ˜——ŽŒŽȱ
to the solenoid for a prolonged period of time. If the
™•ž—Ž›ȱŠ’•œȱ˜ȱœŠ¢ȱ›Ž›ŠŒŽǰȱ‘Žȱœ˜•Ž—˜’ȱœ‘˜ž•ȱ‹Žȱ
replaced.
12 volt Test Leads
Momentary
Connection Only
Figure 7-53. Testing Hold-In Coil/Function Test.
Manually Push
Plunger "In"
12 volt Test Leads
Connect Only Long
Enough to Test