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TM 9-2320-364-34-4
28-8
28-2. ERECTION CYLINDER REPAIR (CONT).
(8)
Apply hydraulic oil to two split seals (31),
preformed packing (30), two backup rings
(29), and buffer seal assembly (28) and
install inside cylinder head (25).
(9)
Apply hydraulic oil to backup ring (27) and preformed packing (26) and install on cylinder head (25).
(10)
Install cylinder head (25) on cylinder rod (21).
(11)
With the aid of an assistant, install cylinder rod (21) and cylinder head (25) in erection cylinder (3) while
guiding rod and steadying cylinder.
(12)
Apply hydraulic oil to preformed packing (24).
(13)
Install seal (24) in retaining plate (23) and retaining plate on erection cylinder (3) with six screws (22).
Tighten screws 43 to 47 lb-ft (58 to 64 N.m).
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful vapors, and
are harmful to skin and clothing. To avoid injury or death, keep away from open fire and use
in a well-ventilated area. If adhesive, solvent, or sealing compound gets on skin or clothing,
wash immediately with soap and water.
(14)
Apply sealing compound on threads of setscrew (20).
(15)
Coat threads of cylinder rod (21) with sealing compound.
(16)
Install rod end (15) on cylinder rod (21) with setscrew (20).
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