( 5 ) Replace the switch by reversing the
(5) Replace the power cord clamp.
p r o c e d u r e s given in (1) through (4)
d. Removal and Replacement of Motor and
above.
Impeller.
b. Door Microswitch.
( 1 ) R e m o v e the screws from the bottom
e d g e of the plate that holds the ex-
(1) D i s c o n n e c t a c p o w e r f r o m t h e A N /
h a u s t blower to the front wall.
MSC-32.
(2) Lift the exhaust blower away from
(2) C a r e f u l l y p r y o f f t h e T o w e r d u c t
the wall.
cover between the POWER INDI-
(9) Remove the bolts that secure the
C A T O R NEON LAMP and LIGHT 1
b l a d e guard and motor brackets to
s w i t c h (fig. 14).
t h e blower ring.
(3) T a g and remove the wires from the
( 4 ) T a g and disconnect the motor leads
N O and C terminals of the switch
f r o m the capacitor and power cord.
(fig. 41).
( 5 ) Remove the power cord clamp.
( 4 ) U n s c r e w the ringnut from the door
( 6 ) R e m o v e the screws that secure the
s i d e of the switch, and remove the
motor mounting bracket to the
switch.
motor.
(5) R e p l a c e the switch by reversing the
( 7 ) Loosen the Allen-head setscrews that
p r o c e d u r e s given in (1) through (4)
secure the impeller to the motor
above.
s h a f t and remove the impeller.
( 8 ) S l i d e the impeller (setscrews toward
c . TH-5/TG Subdistribution Panel Switches
the motor) onto the shaft of the new
(fig. 21).
m o t o r and tighten the setscrews.
(1) O p e r a t e circuit breaker switch No. 5
( 9 ) Secure the motor bracket to the new
to OFF.
motor.
( 2 ) R e m o v e the screws that secure the
( l 0 ) Connect the motor leads to the capa-
panel to the case.
citor and power cord (fig. 34).
(3) R e m o v e the ringnut that secures the
(11) Replace the power cord clamp.
s w i t c h to the panel and remove the
(12) Position the motor bracket and blade
s w i t c h from the panel.
g u a r d on the blower ring.
(4) Tag and disconnect the wires from
(13) R e p l a c e and tighten the bolts that
t h e switch (fig. 35).
secure the motor bracket and blade
( 5 ) R e p l a c e the switch by reversing the
g u a r d to the blower.
p r o c e d u r e s given in (1) through (4)
(14) R e p l a c e the exhaust blower by re-
above.
v e r s i n g the procedures given in (1)
and (2) above.
(15) R e p l a c e t h e e x h a u s t b l o w e r c o v e r
Fluorescent Light Fixture Components
(para 39b).
a. Power Duct Switches.
( 1 ) O p e r a t e the associated circuit break-
a. Operate the associated LIGHT switch to
er switch to OFF (fig. 41).
OFF; remove the light shield and the fluores-
( 2 ) Remove the screws from the brackets
cent lamp (para 37a(1) and (2)).
a t each end of the switch. Remove
b. Carefully pry off the associated power
the two brackets and the switchplate.
duct cover.
( 8 ) R e m o v e the switch mounting screws
c. T a g a n d d i s c o n n e c t t h e w i r e s f r o m t h e
and the switch.
defective component (fig. 36) and remove the
( 4 ) T a g and remove the wires from the
d e f e c t i v e component from the power duct.
s w i t c h and connect them to the re-
d. S e c u r e t h e r e p l a c e m e n t i n t h e p o w e r
p l a c e m e n t switch (fig. 41).
duct.
