©2009 4Front Engineered Solutions, Inc.
10 6004754F — HK and HK-S Hydraulic Dock Leveler, 3 Button — SafeTFrame
™
January 2009
Cylinder
mounting pad
3/4"
anchor
bolt
(supplied
by others)
Stagger and weld
6" x 16" shims
INSTALLATION, continued
hydraulics to position leveler on maintenance strut before
cylinder support riser is in place. Use a suitable lifting
device to place leveler on maintenance strut per step
12 below, then position and weld in the cylinder support
bracket. If electrical power is available, reconnect power
and use the electrical controls to raise the ramp and lip to
their full above dock position. See operating instructions
on front cover of control box. If electrical power in not
available, raise ramp using a chain or other suitable
lifting device.
Hydraulic pressure or mechanical support must be
maintained on the ramp to hold it in the raised position
until the maintenance strut is in place. DO NOT WORK
UNDER THE DOCK LEVELER RAMP OR LIP UNLESS THE
MAINTENANCE STRUT AND LIP LOCK ARE IN PLACE
AND PINNED.
button control station or a suitable lifting device, raise
the deck and secure with maintenance strut.
until the dock leveler reaches its highest position
and hold dock leveler in its highest position.
b. The second person positions the maintenance strut
into the bracket located on the underside of the ramp
assembly and pins it in place with hairpin clip. See
Fig. 15 and the instruction label on maintenance
strut.
c. The second person then locks the lip in extended
position with the lip lock provided on the deck ramp.
Pin the lip lock in place with hairpin clip. See Fig. 15
and instruction label located on the under side of the
dock leveler ramp.
maintenance position.
13. 6x16" shims of the proper thickness are to be placed
under the ramp cylinder mounting pad and welded out
as shown in Fig. 13.
Fig. 12
Flush with floor at this point
Door jamb
Fig. 11
Fig. 13
1/2" sq. drive
adjustment bolt
CCW rotation
to raise
3/16" weld
(both sides)
3/16" weld
3" long (min.)
(both sides)
3/16" weld
(both sides)
3/16" weld
3" long (min.)
(both sides)
3/16" weld
3" long (min.)
3/16" weld
3" long (min.)
3/16" weld
Curb steel
Curb steel
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