Page 31
Wrong
Platform too low.
Gap not
permitted.
Platform too high.
Gap not
permitted.
G
H
OK
Wrong
Bridge plate resting properly on base plate.
Platform and
bridge plate level.
I
Floor Level Guidelines for Automatic
Inboard Roll Stop (IB) Lift Models:
Floor Level Guideline Adjustments
When adjusting microswitches, stop block
positioning and bridge plate positioning must
be viewed. A combination of adjustments may
be required to achieve a proper balance.
Adjust Unfold/Down and Up/Fold mi-
croswitches as outlined on page 30.
Stop Blocks:
The stop blocks must make full contact with
the inboard vertical edge of the vertical arms
when the platform is at floor level (see Photo
D). Stop blocks must be properly posi-
tioned as detailed on page 30. Improper
stop block positioning can result in lift
damage.
Bridge Plate Positioning:
Photo G shows the lift platform positioned too
high. An incorrect Unfold/Down microswitch
setting can prevent the platform from unfolding
fully during the Unfold cycle. Or, the Up/Fold
microswitch may be adjusted improperly,
allowing the platform to raise above floor level
during the Up cycle. The bridge plate overlaps
the base plate causing a bump (uneven
surface).
The bridge plate should be positioned so that
the inboard edge of bridge plate rests solidly
on base plate as shown in Photo H when at
floor level. There should be a smooth (level)
transition between the platform, bridge plate
and the base plate (shown in Photo H).
Photo I depicts the platform positioned too low.
An incorrect Up/Fold microswitch setting can
stop the platform from reaching the fully raised
position during the Up cycle. Or, the Unfold/
Down microswitch may be adjusted improperly
allowing the platform to unfold to a position
below floor level during the Unfold cycle. The
bridge plate does not make solid contact with
the base plate.
Note: See page 32 for Floor Level Guidelines
for Fixed Inboard Roll Stop (Non-IB) lift
models.
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