TM 5-3810-307-24-1-1
Steer Cylinder
DESCRIPTION
The 2.76 in. (7.01 cm) bore steer cylinder is the
prevent internal and external leakage. A wiper ring is
double-acting-type and has a usable stroke of 7.48
mounted to the front of the cylinder to wipe dirt from
in. (19.00 cm). O-rings are used within the cylinder
the rod as it is being retracted.
to
MAINTENANCE
NOTE
For Removal and Installation procedures, refer to STEER CYLINDERS in
Section 5.
3.
Pull the cylinder rod with piston from the
DISASSEMBLY.
cylinder barrel and cover the barrel to avoid
NOTE
4.
Remove the seal and wear ring from the
Any maintenance requiring disassembly
outside of the piston on the cylinder rod.
of
the
cylinder
should
include
replacement of all cylinder seals and O-
5.
Remove the caps and o-rings from the cylinder
rings.
barrel.
1.
Unscrew the cylinder head from the cylinder
CLEANING AND INSPECTION.
1.
Clean all parts in a suitable solvent and blow
CAUTION
dry.
When removing seals and rings, avoid
scratching grooved and gland surfaces.
2.
Check the piston rod for any damage to
include bends, scoring, rust spots, damaged threads,
2.
Remove the low temperature o-ring and
or any other damage.
backup ring from the outside of the cylinder head
and the wiper ring, deep Z rod seal, and wear ring
3.
Check the piston and guide for scoring or other
from the inside of the cylinder head.
damage.
WARNING
ASSEMBLY.
Do not use air pressure to cycle or
CAUTION
pressurize the cylinder. Use only a
source of controlled hydraulic oil
When installing new seals and rings,
pressure if the cylinder rod is hard to
avoid stretching seals or scratching the
remove.
grooved or gland surfaces.
CAUTION
NOTE
Exercise extreme care when handling or
Before installation, lubricate all parts and
setting down the cylinder rod. Do not
surfaces freely with clean hydraulic oil.
damage the chrome surface.
2-8-61 C-1