TM 9-2320-272-24-4
8.
Remove cotter pin (12) and slotted nut (13) from piston rod (8) and piston (9). Discard cotter pin (12).
9.
Slide piston (9) off piston rod (8).
10.
Remove three piston rings (11) from piston grooves (10).
NOTE
Tag bypass plugs, springs, and check balls for installation.
11.
Remove three bypass plugs (6), springs (5), and check balls (4) from hoist cylinder housing (7).
12.
Remove orifice plug cover (1) and orifice plug (2) from cylinder base (3).
NOTE
Use clean lint-free cloth to wipe parts clean. After parts are
cleaned and inspected, coat them with a light film of clean
hydraulic oil.
1.
Wipe check balls (4) clean and inspect. Replace if scratched, chipped, or marked.
2.
Wipe piston (9) clean and inspect. Replace if cracked or broken.
3.
Measure outside diameter of piston (9). If outside diameter is less than 5.236 in. (132.994 mm),
replace piston (9).
4.
Wipe piston rod (8) clean and inspect. Replace if scratched, chipped, or scored.
5.
Measure outside diameter of piston rod (8). If outside diameter is less than 1.994 in. (50.648 mm),
replace piston rod (8).
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