©2009 4Front Engineered Solutions, Inc.
14 6004754F — HK and HK-S Hydraulic Dock Leveler, 3 Button — SafeTFrame
™
January 2009
PROBLEM POSSIBLE CAUSE SOLUTION
a) Pit is out of square with the sides.
b) One side and rear angle is out of
square.
d) Pit is too deep.
spaced with the rear frame angle
touching the rear curb angle in one
place. Fill the gap between the rear
curb angle and rear frame angle using
shims in weld noted in Fig. 10. See
Fig 20.
edges. The gap on the sides should
be even in the most narrow section
(1/2" Max. per side). See Fig. 22.
c) If large deformations exist in the
out the rough surface using a chisel
or grinder to take out the large
obstructions. The rear leveling legs
can be installed on out of plane
surfaces up to 1/8" at each leg. See
Fig. 23.
d) Weld 4" x 4" shims to the bottom of
the adjustable legs as shown in Fig 4.
INSTALLATION, continued
INSTALLATION TROUBLESHOOTING
The following procedures apply after the leveler is level in
the pit.
Fig. 22
1/8" max
allowable step
no greater than
1" x 3" in size
6"
contact
zone
Fig. 23Fig. 21
Shim and weld flush
Equal
gap
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