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 TM 55-1905-220-14-8
4-21.1. SEWAGE SYSTEM MOTOR CONTROLLER-MAINTENANCE INSTRUCTIONS
(Continued).
LOCATION
ITEM
ACTION
REMARKS
REMOVAL
3.
Controller
a.
Captive
Rotate counter clock-
screws (1)
wise to loosen.
b.
Door (2)
Swing open.
c.
Wiring
Tag and disconnect
Refer to wiring
from terminal block
diagram FO-1
(4).
and schematic
d.
Wiring
Tag and disconnect
Refer to wiring
from disconnect switch
diagram FO-1
(5).
and schematic
e.
Controller
Remove from collection
(3)
tank.
REPAIR
4.
Push-
a.
Start/stop
Lift out and replace.
If necessary.
button
button (8)
switches
dual(6
b.
Holder (9)
Rotate turn
and7)
counter clockwise to
remove.
c.
Wiring
Tag and disconnect
Refer to wiring
diagram F0-1
d.
Retaining
Remove.
nut(10)
e.
Switch (11)
Remove.
f.
Switch (11),
Replace.
and retain-
ing nut
(10)
g.
Wiring.
Reconnect. Remove tags.
h.
Holder
Rotate turn clock-
(9)
wise to install.
4-732
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