TM 9-2330-390-14&P
5-8.
HYDRAULIC POSITIONING CYLINDER REPAIR (M1022A1 WITHOUT SIDE LIFT
KIT) (Con’t).
2.
Place barrel assembly (4) in vise.
3.
Rotate head (7) counterclockwise. Remove lockwire (6), preformed packing (12), and head from barrel
assembly (4). Slide head back on rod assembly (8). Discard preformed packing.
4.
Remove rod assembly (8) with assembled components from barrel assembly (4).
5.
Remove barrel assembly (4) from vise.
DO NOT damage machined surface of rod assembly when placing rod assembly in
vise.
6.
Place rod end of rod assembly (8) in vise.
7.
Remove locknut (1) and piston (14) with assembled components from rod assembly (8). Discard locknut.
8.
Remove preformed packing (2) from rod assembly (8). Discard preformed packing.
9.
Remove two stop tubes (5) and head (7) with assembled components from rod assembly (8).
10.
Remove two wear rings (3 and 13), seal (16), and preformed packing (15) from piston (14). Discard wear rings,
preformed packing, and seal.
11.
Remove backup seal (11), rod seal (10), and rod wiper (9) from head (7). Discard backup seal, rod seal, and
rod wiper.
l
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective
goggles and gloves, and use only in a well-ventilated area. Avoid contact with skin,
eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame or
excessive heat. The solvent’s flash point is 100°F-138°F (38°C-59°C). if you
become dizzy while using cleaning solvent, immediately get fresh air and medical
help. if solvent contacts eyes, immediately wash your eyes and seek medical
attention.
l
Compressed air used for cleaning or drying purposes, or for clearing restrictions,
should never exceed 30 psi (207 kPa). Wear protective clothing (goggles/shield,
gloves, etc.) and use caution to avoid injury to personnel.
1.
Clean all removed pans with dry cleaning solvent and dry with compressed air.
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