72
Clearance of back up metal and mast
steel
Adjust clearance ―B‖ to 0.1mm~0.8mm
with shims, which may not use.
Thickness of shim is 0.5mm or 1mm.
Apply a coat of grease to back-up
metals. Install mast and lifting jack on
forklift truck. Connect circle tube and
high-pressure tube.
4.4 Left and right cylinder height
adjustment.
1) Install left and right lifting jack on
mast, pin must be installed into
orientation hole of outer mast lower cross
beam.
2) Install upper of piston rod on inner
mast. Inner mast lay evenly in the
direction of left, right, upper and lower. If
it is not even, please adjust by putting
washer between hole of cylinder support
and upper end of piston rod.
3) Installs
U-bolt
onto
cylinder,
hand-tighten nuts and lock it with two
tighten nuts. Screws down tighten bolt
and nuts to avoiding loosing.
4.5 Lifting chain adjustment
Installs fork arm carrier on inner mast,
and install lifting chain, then install two
nuts on end of every side. With mast set
straight up, lower carriage completely.
Temporarily adjust clearance of carriage
to 74mm-76mm above ground. If
necessary, adjust with chain adjusting
nut.
To adjust tension of lift chain, lower
lifting jack until fork is on the
ground ,and adjust chain adjusting nut
(three every side) so that dimension C
will be as listed below when the middle
portion of chain is pressed by a finger.
Dimension C: 25mm~30 mm
4.6 Clearance of fork arm carrier
assembly and rollers adjustment
1) Measure insid
e width ―A‖ between
inner masts. Make measurements at
the top, bottom and center (cross beam)
sections.
74 mm