a.
Remove switch knob (8).
6-10.
b.
Disconnect terminal leads.
a. Turn the shaft of rheostat to "OFF" position, the
c. Remove nut (10) and lockwasher (11). Slide
shaft of switch no. 1 (24) so that the flat side is
switch (9) from panel (64).
horizontal facing upward and the shaft of switch no. 3
d. Insert new switch and attach to panel (64) with
(30) so that the flat side is vertical facing away from
nut (10) and lockwasher (11).
rheostat (27).
e. Replace knob (8) and reconnect terminal leads
to switch (9).
b. Loosen the set screw (23).
Remove the
rheostat cam (21) and the two steel balls (33) from the
6-12.
REPLACEMENT OF SWITCH NO.
5.
(13,
recesses in the locking bar guides (36, 38).
c.
Disconnect all leads.
a.
Remove switch knob (12).
d. Take off the nut (28) and lockwasher (29).
b.
Disconnect terminal leads.
Slide rheostat (27) from panel (40).
c. Remove nut (14) and lockwasher (15). Slide
e. Rotate shaft of new rheostat to extreme
switch (13) from panel (64).
counterclockwise position.
d. Insert new switch and attach to panel (64) with
f.
Insert the rheostat in the panel opening and
nut (14) and lockwasher (15).
install lockwasher (29) and nut (28). Place the rheostat
so the flat side of the shaft is vertical facing away from
e. Replace knob (12) and reconnect terminal
switch (30) and tighten nut to hold rheostat firmly.
leads to switch (13).
g.
Reconnect terminal leads.
6-13.
REPLACEMENT OF INDICATOR LAMPS.
h. Rotate shaft of switch (24) until flat side is
(48, 49, figure 6-1.)
horizontal facing upward and the flat side of shaft on
switch (30) is vertical facing away from rheostat (27).
a. Squeeze spring sides of lamp socket (45)
sufficiently to disengage from light shield (47).
i.
Insert the two steel balls (33) in the recesses of
Withdraw socket (45).
the locking bar guides (36, 38) and slide rheostat cam
(21) on shaft of rheostat (27).
b.
Remove indicator lamp (46) and install new
one.
j.
Locate the cam on the shaft so the recesses
will be in line with the steel balls. Tighten set screw
c. Squeeze spring side of lamp socket sufficiently
(23).
to allow socket (45) to be inserted into the shield (47).
Release the sides, engaging the lugs with the holes in
6-11.
REPLACEMENT OF SWITCH NO.
2.
(9,
the shield.
24
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