Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Performance Test

CAUTION: Each test must be performed within 3 - 5 seconds to avoid coil from burning.




Pull-In Test
Connect battery to magnetic switch as shown.
Check that plunger and pinion move outward.
If plunger and pinion don't move, replace magnetic switch.

NOTE: Before testing, disconnect lead wire from terminal M.




Hold-In Test
While connected as above with plunger out, disconnect negative
lead from terminal "M".
Check that plunger and pinion remain out.
If plunger and pinion return inward, replace magnetic switch.




Plunger and Pinion Return Test
Disconnect negative lead from starting motor body.
Check that plunger and pinion return inward.
If plunger and pinion don't return, replace magnetic switch.




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 indicates specified current.

Specified current: 90 A MAX. at 11 V