TM 10-3930-641-10
THEORY OF OPERATION - CONTINUED
0003 00
MAST HYDRAULIC SYSTEM
0003 00
1.
Lift Cylinder. The lift cylinder is a ram-type cylinder that moves up by oil pressure and moves down by gravity. The
extended part of the cylinder is completely filled with oil.
Tilt Cylinders. Two double-acting tilt cylinders both extend and retract by hydraulic pressure. These cylinders control
2.
the forward and backward tilt angle of the mast.
TILT CYLINDERS
LIFT CYLINDER
422-0032
Side Shift Cylinder. A double-acting side shift cylinder controls the side shift of the forks and tophandler with respect
3.
to the center line of the machine.
Side Tilt Cylinder. This double-acting cylinder rotates the forks and tophandler.
4.
SIDE SHIFT
CYLINDER
SIDE TILT
CYLINDER
422-0001
0003 00-5