Install guide
ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
(b)
(c)
(d)
Legend for Figure 3-12
1. Mounting base frame
18. Screw
2. Stop
19.
Lockwasher
3. Washer
20. Washer
4. Jumper
21.
Retainer
5.
Mounting plate
22. Orifice
6. Spacer
23. Screw
7. Upper vibration mount
24. Lockwasher
8. Screw
25. Washer
9. Washer
26. Lower vibration mount
10. Washer
27. Washer
11. Lockwasher
28. Screw
12. Screw
29. Spacer
13. Orifice
30. Jumper
14. Support strip
31. Washer
15. Screw
32. Screw
15.1 Washer
33. Plumb bob assembly
16. Screw
34. Washer
16.1 Washer
35. Screw
17. Support strip
plate (5). Remove jumper (4, upper or 30, lower).
Remove four screws (8, upper or 28, lower) and
washers (9, upper or 27, lower) securing
vibration mount assembly to mounting base
frame (1).
Remove vibration mount (7, upper or 26, lower)
and orifice F13, upper or 22, lower).
Remove screw (12, upper or 23, lower), washer
(10, upper or 25 lower), and lockwasher (11,
upper or 24, lower) securing spacer (6, upper or
29, lower).
(2) Replacement.
Upper vibration mounts differ from lower
vibration mounts in strength and load
range. Check that correct replacement part
(check part number on vibration mount) is
used.
(a)
(b)
(c)
(d)
Secure spacer (6, upper or 29, lower) to vibration
mount (7, upper or 26, lower) with screw (12,
upper or 23, lower), lockwasher (11, upper or 24,
lower), and washer (10, upper or 25, lower).
Place orifice (13, upper or 22, lower) and
vibration mount (7, upper or 26, lower) in
position on mounting base frame (1).
Install four screws (8, upper or 28, lower) and
four washers (9, upper or 27, lower).
Inspect jumper. Replace if frayed.
(c) Install stop (2, upper) or screw (32, lower),
washer (3, upper or 31, lower), and jumper (4,
upper or 30, lower) to mounting plate (5). Use a
wrench to prevent spacer (6, upper or 29, lower)
from turning.
b.
Support Strips.
Remove and replace support strips
(14, rear strip, or 17, forward strip, figure 3-12, sheet
1) as follows:
(1)
Removal.
Remove six screws (15, rear strip) and
washers (15.1) or two screws (16, forward strip)
and washers (16.1) securing strip to mounting base
frame (1); remove strip.
(2)
Replacement.
Isopropyl alcohol is flammable and gives off
harmful vapors. Use only in well–ventilated
area away from open flames and sparks. Avoid
prolonged or repeated inhalation of vapors.
(a)
(b)
(c)
(d)
Clean screw (15 or 16) threads using isopropyl
alcohol and clean, lint-free material; wipe dry.
Apply sealing
compound
primer
(MIL-S-22473) to screw (15 or 16) threads;
allow to dry.
Apply sealing, compound (MIL-S-22473,
Grade H), to screw (15 or 16) threads.
Install six screws (15, rear) and washers (15.1) or
two screws (16, forward) and washers (16.1)
securing support strip (14, rear or 17, forward) to
mounting base frame.
Change 7
3-41