TELESCOPE CYLINDER ASSEMBLY
Shop Equipment Auto-Maintenance and Repair, FM Suppl No. 1
Tool Outfit Hyd System Test and Repair, 3/4 Ton Trailer Mtd
EQUIPMENT CONDITIONS: Telescope cylinder removed. (Refer to page 15-8.)
When removing seals and rings,
avoid scratching grooved and gland
disassembly of cylinder should
include replacement of all cylinder
Aligning discarded seals and rings in
1. REMOVE HOLDING VALVE (19) FROM PORT
order of disassembly will facilitate
installation of new items.
2. REMOVE CYLINDER ROD (18).
3. REMOVE PISTON (4) AND HEAD (11).
a. Remove setscrew (3) and unscrew threading
a. Remove seals (5) and rings (6) from outside of
ring (17) from barrel (2).
piston (4). Remove setscrew (3).
b. Remove piston (4) spacer (9) and head (11)
from rod (18).
It is advisable to cover cylinder barrel
Remove preformed packing (8) and back-up
rings (7) from piston rod (18).
d. Remove preformed packing (12) and backup
ring (13) from outside of head (11).
Do not use air pressure to remove
cylinder rod assembly. Use only a
e. Remove wear ring (10), buffer seal (14) and rod
source of controlled hydraulic oil
seal (15) from inside of head (11).
pressure, if rod is hard to move.
Remove threaded ring (17). Remove wiper seal
b. Remove cylinder rod (18) with components, from
cylinder barrel (2).