Kelley aFX-C User Manual page 10

insTaLLaTion,
11. Lower the air bag lifting support frame by removing the
retainer bolts on top of deck area. See Fig. 14. Bolts
should be discarded.
The lifting support frame will drop rapidly to the pit floor
when the retainer bolts are removed. Keep your hands
and feet out from under the dock leveler when releasing
the frame. Failure to do so could result in death or serious
injury.
Air pressure or mechanical support must be maintained
under 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 IS IN PLACE AND PINNED, AND
LIP LOCK IS IN PLACE AND SUPPORTING THE LIP.
noTe:
The following procedure requires two persons to lockout and
secure the leveler for maintenance.
12. Return power to the leveler control. Using the aFX
push-button control or mechanical support, raise the
deck and secure.
a) One person pushes and holds the RAISE button
to inflate the air bag until the dock leveler reaches
its highest position. 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) Air pressure or mechanical support may now be
removed.
10
©2014 4Front Engineered Solutions, Inc.
continued
6004752K — aFX-C Dock Leveler — Safe
Fig. 11
Door jamb
Flush with floor at this point
Fig. 12
1/2" sq. drive
adjustment bolt
CCW rotation
to raise
3/16" weld
(both sides)
3/16" weld
3" long (min.)
(both sides)
Curb steel
3/16" weld
(both sides)
3/16" weld
3" long (min.)
(both sides)
Curb steel
Fig. 13
T
Frame
®
3/16" weld
3/16" weld
3" long (min.)
3/16" weld
3" long (min.)
Shipping tie
down bolt
March 2014