Table 8-1. Relay Table Group Equipment Tests (Cont)
Malfunctioning
Malfunction
On equipment test
assembly
Location
9 . Paralleling lamps
Check resistance between connections
Dc relay assembly.
Special relay box.
do not illuminate
19 and 20, 7 and 8 of A5, dc relay
when the single-
assembly.
Resistance should be
parallel switch
7500 ± 5 percent ohms. An infinite
is placed to the
resistance indicates a malfunction.
parallel position
when attempting
to parallel two
generators.
10. Engine generator
Check resistance between A5 con-
Dc relay assembly.
Special relay box.
set cranks, but
nections 21 and 24 with the posi-
will not start.
tive lead or connection 21. The
value indicated will be approxi-
mately 500 ohms. Reverse the
leads, the resistance shall be
infinite. An infinite resistance
in both directions indicates a
malfunction.
1. Engine-generator
Check resistance between A5 con-
Dc relay assembly.
Special relay box.
set will not
nections 11 and 10 with the posi-
start.
tive lead on connection 11. The
value indicated will be approxi-
mately 500 ohms. Reverse the
leads, the resistance shall be
infinite. An infinite resistance
in both directions indicates a
malfunction.
Key to Figure 8-1
1. Screw
1A. Screw
1B. Washer
2. Tactical relay box assy
3. Screw
4. Precise relay box assy
Mode I. Class 1 sets only
5. Screw
6. Nut
7. Load measuring unit
8. Screw
9. (Deleted)
10.
Screw
11.
(Deleted)
12.
Terminal lug
12A. Clamp
13.
Wrench
14.
Special relay box assy
15.
Screw
16.
Nut
17.
Clamp
18.
Excitation assy
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
Clamp
Screw
Chain
Nut
Screw
Clamp
Nut
Screw
Clamp
Nut
Clamp
Screw
Bracket
Screw
Nut
(Deleted)
Clamp
Screw
Nut
Bracket
Screw
40. Nut
41. Clamp
42. Screw
43. Nut
44. Clamp
45. Screw
46. Nut
47. Clamp
48. Grommet
49. Screw
49A. Washer
50. Nut
51. Washer
52. Table
53. Screw
54. Nut
55. Support bracket
56. Screw
57. Nut
Change 7 8-3
