1.
Milliameter
22.
Cam
44.
Nut
2.
Self-locking Nut
23.
Set Screw
45.
Socket
3.
Screw
24.
Switch
46.
Lamp
4.
Meter
25.
Nut
47.
Shield Assembly
5.
Self-locking Nut
26.
Lockwasher
48.
Jewel, Red
6.
Screw
27.
Rheostat
49.
Jewel, Green
7.
Terminal Lug
28.
Nut
50.
Receptacle
8.
Knob
29.
Lockwasher
51.
Nut
9.
Switch
30.
Switch
52.
Screw
10.
Nut
31.
Nut
53.
Receptacle
11.
Lockwasher
32.
Lockwasher
54.
Nut
12.
Knob
33.
Ball
55.
Screw
13.
Switch
34.
Bar
56.
Capacitor
14.
Nut
35.
Bar
57.
Resistor
15.
Lockwasher
36.
Guide
58.
Resistor
16.
Panel Assembly (Switch)
37.
Screw
59.
Resistor
17.
Nut
38.
Guide
60.
Screw
18.
Spacer
39.
Screw
61.
Nut
19.
Screw
40.
Panel
62.
Clip
20.
Cam
41.
Knob
63.
Banana Jack
21.
Cam
42.
Bushing
64.
Panel
43.
Stop
Callouts for Figure 6-1. Panel Assembly
g. Reconnect the leads to the terminals of the
d. SIide new meter in place. Attach to panel (64)
switch.
with screw (6) and nut (5).
h. Rotate the shaft of the rheostat (27) to the
e. Connect all leads to meter terminals.
"OFF" position and insert the steel ball (33) in the recess
6-7. REMOVAL OF SWITCH PANEL ASSEMBLY.
in the locking bar guide (38).
(16, figure 6-1.)
i.
Slide the switch cam (20) on the switch shaft.
a. Take off rheostat knob (41) and the knobs of all
Locate the recess in the cam over the steel ball and
switches mounted on the switch panel (40).
tighten the set screw (23).
b. Remove three self-locking nuts (17) and slide
the assembly from the panel as far as the wiring will
permit.
a. With shaft of rheostat (27) in its extreme
counterclockwise position loosen set screw (23) and
remove cam (22) from shaft of switch no. 3 (30).
a. With shaft of rheostat (27) in its extreme
b. Remove the steel ball (33) from the recess in
counterclockwise position loosen set screw (23) and
the locking bar guide (36) for safekeeping.
remove cam (20) from shaft of switch no. 1 (24).
c. Disconnect the leads from the switch terminals.
b. Remove the steel ball (33) from the recess in
d. Remove the nut (31) and lockwasher (32).
the locking bar guide (38) for safekeeping.
Slide the switch from panel (40).
c. Disconnect the leads from the switch terminals.
e. Insert new switch into the panel opening and
d. Take off the nut (25) and lockwasher (26) and
secure it with lockwasher (32) and nut (31). Rotate the
slide the switch from panel (40).
switch shaft to bring the flat side vertical facing away
e. Rotate shaft of a new switch to its extreme
from rheostat (27).
counterclockwise position and then turn it one position in
f.
Reconnect leads to the terminals of switch.
a clockwise direction.
g. Rotate the shaft of rheostat (27) to "OFF"
f.
Insert the switch in the panel opening and
position and insert the steel ball(33) in the recess in the
install the lockwasher (26) and nut (25). Place the
locking bar guide (36).
switch so that the flat side of the shaft is horizontal
h. Slide the switch cam (22) on the switch shaft.
facing upward and tighten the nut to hold the switch
Locate the cam on the shaft so the recesses are in line
firmly.
with the steel ball, and tighten the set screw (23).
23
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