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TM 10-4320-348-14
4.20 SOUND ENCLOSURE REAR PANEL ASSEMBLY.
This task covers:
a)
Removal
b)
Inspection
c)
Repair
d)
Installation
INITIAL SETUP:
Tools
Materials/Parts
Tool Kit, General Mechanics
(Appendix B, Section III, Item 1)
Drill, Portable 1/4 inch
(Appendix B, Section III, Item 2)
Drill Set, Twist
(Appendix B, Section III, Item 2)
Pipe Wrench
(Appendix B, Section III, Item 2)
Riveter, Blind, Hand
(Appendix B, Section III, Item 4)
Materials / Parts
Solvent Toluol (Appendix E, Item 5)
Cloth, Lint-free (Appendix E, Item 6)
Nut, self-locking, hex (Appendix I, Item 8)
Rivets, Blind, 1/8 inch, SEE TM 10-4320-348-24P
Foam, Acoustical (Appendix G-2)
Tags (Appendix E, Item 13)
Equipment
Condition
Para
2.9 Pump unit removed from system
2.7a(2) Sound enclosure cover assembly removed.
a.
Removal. (Refer to Figure 4-8)
(1)
Loosen spark arrestor clamp (1) and remove spark arrestor (2).
(2)
Remove discharge coupling elbow (3).
(3)
Remove lifting handle assembly (4) and strap plate (5) nearest discharge coupling elbow (3) by removing
two cap screws (6), four washers (7), and two self-locking nuts (8).
(4)
Remove three cap screws (9), and three self-locking nuts (10) securing the sound enclosure rear panel
assembly (11) to the frame (12).
(5)
Remove two wing nuts (13) and two washers (14) from threaded rod (15). Remove threaded rod (15).
(6)
Tag and disconnect all wires attached to electrical connector (16).
(7)
Remove sound enclosure rear panel assembly (11) from frame (12).
(8)
Remove blind rivets (17) holding data plates (18) from sound enclosure rear panel assembly (11).
(9)
Remove damaged acoustical foam (17), pull the acoustical foam firmly away from sound enclosure rear
panel assembly (11). Approximately 1/8 inch of acoustical foam (17) and adhesive backing will remain.
4-23
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