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 TM 55-4920-325-14&P
KEY to fig. 4-10:
27.
Instrument case
1. Screw
28.
Panel gasket
2. Capacitance indicator
Hex nut
29.
3. Connector P1Q1
30.
Shoulder washer
4. O-ring
Fiber washer
31.
5. Screw
32.
Capacitance assembly
6. Megohmmeter indicator
Panel assembly
33.
34.
Screw
7. Connector P103
Lockwasher
35.
8. O-ring
36.
Support rod
9. Switch knob
Machine screw
10. Variable capacitor knob
37.
11. Screw
Lockwasher
38.
12. Skirt
Hex nut
39.
13. Cap and chain
40.
Vibration isolator
14. Cap and chain
41.
Screw
15. Screw
42.
Lockwasher
16. Nylon washer
Flat washer
43.
17. Shoulder washer
44.
Cable support
18. Screw
45.
Screw
19. Lockwasher
Lockwasher
46.
20. Nameplate
47.
Acorn cap nuts
21. Screw
48.
Identification plate
22. Nylon washer
49.
Instruction placard
23. Screw
50.
Screw
24. Nylon washer
51.
Clamp
25. Stiffener rod
Transit case assembly
52.
26. Stiffener rod
k. Remove two caps and chains (13) and cap
Release two snap locks and open lid of
and chain (14) from associated connector.
transit case assembly (52).
l. Detach three caps and chains (13, 14)
b. Loosen screw (1) and carefully slide ca-
from panel assembly (33) by removing two screws
pacitance indicator (2) out from front of panel as-
(15), two nylon washers (16) and two shoulder
sembly (33).
washers (17).
c. Separate connector P101 (3) from con-
m. Detach nameplate (20) from panel assem-
nector J101 of capacitance indicator (2).
bly (33) by removing two screws (18) and two
Iockwashers (19).
cator (2).
n. Remove eight machine screws (21) and
e. Loosen screw (5) and carefully slide me-
eight nylon washers (22); remove panel assembly
gohmmeter indicator (6) out from front of panel
(33) from transit case assembly (52).
assembly (33).
o. Remove 20 screws (23) and 20 nylon
f. Separate connector P103 (7) from con-
washers (24) and carefully detach two stiffener
nector J103 of megohmmeter indicator (6).
rods (25), two stiffener rods (26), instrument case
(27) and panel gasket (28) from panel assembly
g. Remove O-ring (8) from megohmmeter in-
(33).
dicator (6).
h. Loosen associated setscrews and slide
NOTE
three switch knobs (9) off three rotary switch
shafts.
As disassembly proceeds, tag and dis-
connect wiring as required.
i. Loosen associated setscrews and slide
two variable capacitor knobs (10) off variable ca-
p. Remove three hex nuts (29), three shoul-
pacitor shafts.
der washers (30) and three fiber washers (31) and
detach capacitance assembly (32) from panel as-
i. Detach two skirts (12) from two variable
sembly (33). Refer to paragraph 4-9 for disas-
capacitor knobs (10) by removing six screws (11).
4-12
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