15
Manual No. 4111-0025
March 2011
May 2012
of lever, with the unit raised and secured in the
maintenance position, loosen jam nut on the
underside of the linkage pin. To start allow about
3/4” to 1” of threads between top of jam nut
and linkage pin. Using an open faced wrench,
hold locknut on inside of spring while tightening
threaded bolt until washer on top side of spring
closes up tight to ram nut. Test operation of
unit. Further adjust spring tension if needed
by advancing jam nut toward linkage pin and
tightening threaded rod. After desired operation
is achieved, tighten jam nut to outer washer on
spring. Springs must be adjusted alternately to
have equal spring tension.
18. Before install is complete, installer must make
a final operation check of dock leveler to verify
all phases of install are correct. Installer must
complete, sign and return the Installation Checklist
up on completion. reference page 22
INSTALLATION
NOTE
DESCRIPTION
1
Top of base plate and bumper
cover plate to be flush with top of
ramp plate.
2
Apply continuous bevel weld
across both bumpers and length of
base plate.
Securely block or support ramp and lip when in
vertical positions. Lack of proper bracing can result
in ramp dropping during adjustment or installation
causing personal injury or damage to unit.
