ARMY TM 9-2805-256-14
AIR FORCE TO 38G2-102-2
NAVY NAVFAC P-8-611-14E
5-20. Coil.
This task covers:
a. Removal
b. Test
c. Installation.
INITIAL SETUP
Tools
Equipment Condition
General Mechanics Tool Kit (Item 1, Appendix B)
Flywheel removed (para. 4-38).
Multimeter (NSN 6625-01-139-2512) (Item 2,
Appendix B)
a. Removal. (figure 5-22)
WARNING
Use extreme care when removing coil clamps, flying clamps can cause severe eye injury.
Cover work area with rag or hand when removing clamps.
NOTE
Make note of coil leads placement before removing coil.
(1) Remove two coil clamps (1) securing coil (2) and remove.
(2) Tag and disconnect coil leads.
b. Test.
(1)
(2)
(3)
Perform resistance test between leads of coil.
Resistance should be 309 ± 20 ohms (for breakerless ignition coil).
Resistance should be as follows for breaker point ignition coil.
Primary windings
Secondary windings
Manufacturer
(ohms)
(ohms)
Bendix Corp.
0.512 ± 0.050
3,300 ± 400
Colt Industries
0.370 ± 0.025
8,500 ± 700
Motor Parts. Inc.
0.370 ± 0.025
8,500 ± 700
(4) If measured resistance does not match specified resistance replace coil.
5-44
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