TM 1-1520-238-23
3-215
3.58.
PARKING BRAKE MASTER CYLINDER DISASSEMBLY/ASSEMBLY (AVIM)
(7) Slowly push piston cylinder rod (13) from up-
per body (14) of cylinder (3) and pull internal
components free.
(8) Remove rod (13) with packing (15) from cylin-
der (3). Discard packing (15).
(9) Remove relief cap (16).
(10) Remove shim (17) if used.
(11) Remove cylinder brake spring (18) and
cylinder brake poppet (19).
(12) Remove cylinder brake piston (20) with pack-
ing (21) from piston assembly (22). Discard
packing (21).
(13) With helper, compress piston assembly (22)
until cylinder brake pin (23) is accessible.
(14) Remove pin (23).
(15) Slowly release piston assembly (22) and sep-
arate cylinder brake piston (24), rod assem-
bly piston seat (25), cylinder retainer (26),
cylinder brake spring (27), brake valve guide
(28), and head cylinder piston (29).
(16) Remove and discard packings (30) and (31).
(17) Remove cylinder brake clip (32).
3.58.4. Cleaning
a. Clean cylinder and its components except
bearings. Use cloth (item 52, App F) and dry
cleaning solvent (item 74, App F).
b. Blow dry cylinder and its components. Use
compressor unit.
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M04-2953-4
14
3
15
13
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18
19
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21
22
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M04-2953-5
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23
29
30
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27
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31
32
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