TM 9-4940-568-34
6-50
6-11. BOOM TELESCOPIC CYLINDER REPAIR (Continued)
(6) Remove guide lock ring (9) and seal
(10) from piston (11). Discard seal.
(7) Remove setscrew (12) and piston (11)
from rod (2).
(8) Remove preformed packing (13) and
two backup rings (14) from rod (2).
Discard preformed packing and backup
rings.
(9) Remove spacer (15) and cylinder head
(16) from rod (2).
(10) Remove preformed packing (17) and
backup ring (18) from cylinder head
(16). Discard preformed packing and
backup rings.
(11) Remove rod seal (19), buffer seal (20),
and wear ring (21) from cylinder head
(16). Discard rod seal, buffer seal and
wear ring.
(12) Remove wiper ring (22) from rod (2).
Discard wiper ring.
(13) Remove retaining plate (7) from rod (2).
(14) Perform steps (4 through 13) on upper
cylinder.
