MAINTENANCE OF FORKLIFTS - OD1660 - LESSON 1/TASK 2
FIGURE 19.
MAST ASSEMBLY.
(a) Mast.
The hydraulic lift cylinder, that is controlled by
the LIFT control lever, raises and lowers the two lift chains that
are attached to the carriage.
The two hydraulic tilt cylinders,
which are activated by the TILT control lever, tilts the mast forward
or rearward.
(b) Forks.
The forks are mounted on the carriage and
constructed of heavy-duty steel. The locking notches on the carriage
and the locking lugs on the fork, permit adjustment of the width
between the forks.
(c) Carriage. The carriage rotates and side shifts the forks.
The hydraulic rotation cylinder is controlled by the ROTATE control
lever. The hydraulic side shift cylinder is controlled by the SHIFT
control lever.
(d) Rotate Control Lever. This lever (figure 19) when held in
the forward position causes the forks to rotate counterclockwise and,
when held in the rearmost position, causes the forks to rotate
clockwise.
(e) Lift Control Lever.
This lever is held in the forward
position to lower the carriage and the forks, and is held in the
rearmost position to raise the carriage and forks.
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