13
-
VariabIe load 0-25 0-12.5 amperes rheostat
1
-
Load dc ammeter
14
-
Polarity reversing switch
2
-
15
-
Generator field external-internal ground switch
3
-
16
-
40-ohm field current rheostat
4
-
17
-
40-ohm 30 ampere maximum rheo-reg switch
5
-
Load dc ammeter range selector switch
18
-
250-ohm 5 ampere maximum switch
6
-
Field dc ammeter range selector switch
19
-
Battery circuit selector switch
7
-
Dc volt-millivolts range selector switch
20
-
Battery on-off switch
8
-
21
-
Drive control
9
-
Dc voltmeter circuit selector switch
A - Start button
10
-
Starter test load disconnect switch
B - Safety clip
11
-
Field ammeter dc ac/dc switch
C - Stop button
12
-
Fixed load switches
22
-
Speed control handle
A - 100-50 fixed load switches
23
-
Positive test indicator binding post
B - 50-25 fixed load switch
24
-
Negative test indicator binding post
C - 25-12.5 fixed load switch
25
-
Test indicator lamp
D - 0-25 0-12.5 load switch
Figure 32. Switches, controls, and meters used to
perform generator performance and
draw tests, and generator regulator serviceability test.
63