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TM5-4120-387-14
b.
Removal
(1) Using wrench and holding rear of switch, remove two jam nuts,
lockwasher and locking ring from thread face.
(2) Tag and disconnect wire leads.
c .
Inspection
(1) Check switch to see that the leads are properly connected. (See wiring
diagram fig. 4-7.)
(2) Repair or replace loose or broken leads.
(3) Check that switch terminal is not loose, broken, or corroded.
(4) Check switch for evidence of overheating or other visible damage.
(5) Replace switch if damaged.
d.
Test
(1) Using multimeter, place probes on terminals 1 and 3.
(2) Place switch in up position (HI SPEED).
Continuity should be indicated.
(3) Place switch in down position (LO SPEED). Continuity should be
indicated.
(4) If the switch fails any of the above tests, replace switch.
e.
Installation
(1) Install switch in control panel fitting keyway of switch to keyed hole
in control panel.
(2) Slip keyed locking ring on threaded shaft.
(3) Using wrench and holding rear of switch, secure washer and two jam nuts
on switch.
(4) Install wire leads and remove tags.
(5) Insert rear panel and aline holes.
(6) Using screwdriver and wrench, secure rear panel with four screws and
locknuts.
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