Waltco Lift BZ-33, Installation Manual, Page: 40 / 66

Chapter 4 Liftgate Installation
IMPORTANT!
Tilt up the platform until it closes without tilting over
90° . The tilt cylinders should be fully extended. If
platform will tilt over 90° tilt cylinders must be adjusted
in order to prevent damage of over tilting.
Cylinder adjustments should be made when the
cylinders are fully pressurized.
GR02814
Loosen rubber bellows and loosen (3) lock screws.
Turn adjustable case counter-clockwise to decrease
length of tilt cylinder or clockwise the increase length.
*Adjust until the platform reaches top sill of truck
(GR02814, detail A) Fine Adjust until platform fits tightly
against top sill (GR02814, detail B)
Always adjust left and right side equally.
(“*” Only for trucks with ceiling and/or top sill)
GR02815
Tighten lock screws and measure the exposed cylinder
threads; not to exceed more the 1-3/16”
Lock screws torque is between 26.4 – 44.4 ft/in
Do not adjust to expose more than 1-3/16”
of threads.
GR02828
Max 1-3/16”
page 40