ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
NOTE
Terminal markings are also on the switch.
(c) Place switch in the CLOSED position (lever away from mounting post key way).
(d) Using an ohmmeter check for continuity between terminals 2 and 3 and between terminals 5
and 6.
(e) Place switch in CENTER position.
(f) Using an ohmmeter, check for continuity between terminals 1 and 2 and between terminals 5
and 6.
(g) Replace switch if it fails any of the above tests.
(4) Installation.
(a) If removed, install nut (95, Figure 4-38, sheet 2 of 3).
(b) Install key washer (94), circuit breaker switch (93), tooth lockwasher (92), and nut (91).
(c) Connect electrical leads to circuit breaker switch.
v.
START-RUN-STOP switch.
(1) Removal.
(a)
(b)
(c)
Tag and disconnect electrical leads to switch.
Remove nut (96, Figure 4-38, sheet 2 of 3) and tooth lockwasher (97) to remove switch (98)
and key washer (99).
Do not remove nut (100) unless inspection reveals damage and replacement is necessary.
(2) Cleaning and Inspection.
(a) Clean switch with filtered compressed air and a soft bristle brush or wipe with a clean, lint-free
cloth lightly moistened with an approved solvent.
(b) Visually inspect switch for cracked casing, corrosion, stripped or otherwise damaged threads,
and evidence of shorting or other damage.
(3) Testing.
(a)
(b)
(c)
(d)
(e)
(f)
(9)
(h)
Place switch in STOP position (lever toward mounting post key way).
Using an ohmmeter, check for open circuit between terminals 2 and 3, 5 and 6, 8 and 9, and
11 and 12 (figures FO-1 and FO-2). All circuits shall be open.
Place switch in RUN position.
Check for continuity between terminals 2 and 3 and terminals 8 and 9. Both circuits shall have conti-
nuity.
Check for open circuit between terminals 5 and 6.
Place switch in START position (lever away from mounting post key way).
Check for continuity between terminals 2 and 3, 5 and 6, 8 and 9 and 11 and 12. All circuits shall
indicate continuity.
Replace switch if it fails any of the above tests.
(4) Installation.
(a) If removed, install nut (100, Figure 4-38, sheet 2 of 3).
(b) Install key washer (99), switch (98), tooth lockwasher (97), and nut (96).
(c) Connect electrical leads to START-RUN-STOP switch.
4-98