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Page Title:
CHAPTER 3 GENERAL SUPPORT MAINTENANCE INSTRUCTIONS |
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 TM 3-1040-220-34&P
CHAPTER 3
GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Section I. GENERAL
3-1. Disperser General Repair
Table 3-1. Accessories and Spare Parts
General support maintenance personnel are authorized
to disassemble, repair, replace, rebuild,
remove,
Quantity
Name
fabricate, or overhaul the disperser as required in order
1
Quick disconnect coupling half with sleeve lock
to restore the equipment to a condition comparable to
1
Hose assembly
new.
2
Preformed packing (AN6230-10)
2
Preformed packing (MS29513-213)
3-2. Disperser Packing Check
4
Cargo tie down, Aircraft type A-1A
a. Visual Inspection. Make a thorough inspection of
2 pair Gloves
the disperser to see that all parts are present, that all
5
Rupture disk
parts and accessories are properly and in good
1
Disperser hose tie down
condition, and that the mounting hardware is tight. Make
1
M9 portable RCA disperser gun
a thorough inspection and, where necessary, tighten or
2
M6A2 gas mask hood
replace hardware and missing parts.
1
Hose assembly
b. Accessories and Spare Parts. Table 3-1 contains
1
Cover plate
the complete list of accessories and spare parts.
1
Pipe adapter
1
TM 3-1040-220-12&P
1
Container
1
Clamp
4
Snap hook and ring assembly
1
Equipment log book
Section II. PRESSURE REGULATOR
washer (12), and retainer seat preformed packing (14).
3-3. Description and Function
(7) Remove seat retainer (16) and poppet
Refer to paragraph 2-3 for the description and function of
preformed packing (15).
the pressure regulator.
(8) Remove poppet valve (13).
3-4. Maintenance
(9) Remove retainer screen (17).
General support maintenance personnel are authorized
(10) Remove poppet seat (18) and seat preformed
to repair the pressure regulator. Repair of the pressure
packing.
regulator consists of replacing kit provisional parts. In
(11) Remove retainer preformed packing (20).
addition, general support maintenance personnel are
(12) Working from the end nut (8) end of the
authorized to adjust the pressure regulator.
regulator body (22), push coated piston (6) out through
a. Removal. Refer to paragraph 2-3b(1) for removal
other end of regulator body (22).
instructions.
(13) Remove piston preformed packing (7) from
b. Disassembly.
groove in regulator body (22) at adjustment nut (1) end.
(1) Using a wrench, loosen locknut (2, fig. 2-2).
c. Assembly.
(2) Using an open end wrench, unscrew
(1) Install piston preformed packing (7) in groove
adjustment nut (1), being careful to not drop parts
inside regulator body (22) located in adjustment nut (1)
loosened by removal.
end.
(3) Remove spring guide (5), spring cartridge (4),
(2) Install retainer preformed packing (20) in groove
and spring guide (3).
in regulator body (22) located in the end nut (8) end.
(4) Cut and remove lockwire (9).
(3) Place seat preformed packing (19) in the end nut
(5) Using a wrench, loosen and remove end
(8) end of the regulator body (22) and push in until
nut (8).
properly seated.
(6) Remove flat washer (10), spring (11), flat
3-1
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