16
Manual No. 4111-0019
May 2015
July 2016
INSTALLATION
21. Pull the release ring (A) to raise platform. Engage
the platform maintenance prop (B) in the service
(upright) position and lock the maintenance
prop at this position using an OSHA approved
locking device, supplied by others Engage lip
maintenance prop(C).
A— Platform Release Ring B— Platform Maintenance
Prop
C —Lip prop support D — Prop Pin and Clip E —Safety Leg Pull
Chain
25. Remove the lifting brackets from the platform side
joists.
26. Disengage the platform maintenance prop.
27. Slowly walk out onto the platform to lower the
platform until it is at the cross-traffic (stored)
position.
28. Check operation of dock leveler by cycling the
leveler at least four times.
• When the platform is at full height, lip will be fully
extended.
• Lip will begin to drop after the unit begins to
lower to truck bed.
29. Check below-dock position by walking platform
down before lip folds completely.
• Lip will be over lip keepers.
• Platform safety legs will be resting on frame.
30. Check full below-dock position by walking the
platform down. Pull and hold safety leg chain (E)
before lip folds completely.
31. If the lip does not extend fully or lip folds too quickly,
see appropriate symptom in the Troubleshooting
section.
32. Install the dock bumpers as required, clean
weld splatter and touch up with spray paint.
22. Install shims under lift arm at locations using the
pyramid shimming method. (Page 12)The lift arm
pivot must be solidly shimmed the entire length
of the lift arm pivot. Make sure the lift arm pivot is
level from side-to-side.
23. Finish weld all shims using a fillet weld.
• Weld all shims within each shim stack to each
other, then weld the shim stack to the leveler
frame.
• Weld the front leveler frame shim stacks to the
front pit curb steel if not done previously.
24. When all welding has been completed, remove all
slag then paint all the welds and shims.
Make sure the platform is properly supported in the
raised position before entering the pit to finish weld
the shims. Failure to follow these instructions could
result in death or serious injury.