Page 7
Tower Microswitch Adjustment
TOWER
2
TOWER
1
32942
TOWER
2
TOWER
1
32942
Tower 2
(Up)
Microswitch
Turn adjustment
screw counter-
clockwise to stop
the platform raise
function sooner.
Turn adjustment
screw clockwise
to allow the
platform to raise
further.
Tower 1
(Unfold)
Microswitch
Turn adjustment
screw clock-
wise to stop the
platform unfold
function sooner.
Turn adjustment
screw counter-
clockwise to al-
low the platform
to unfold further.
Note:
Left
(rear) pump
lift depicted.
Right (front)
pump lift is
a mirrored
image.
Note:
Review
adjustment
procedures
below and
adjust as
needed
only
.
Microswitch Adjustment Instructions:
Tower 1 (Unfold) Switch Adjustment:
Floor Position from Stow
1. Position platform at the fully stowed
position using the manual hand pump or
pendant control.
2. Turn switch adjustment screw clockwise 3
full turns.
3. Press pendant UNFOLD switch (continue
pressing switch until platform stops unfold-
ing).
4. When platform stops unfolding, turn switch
adjustment screw counterclockwise while
pressing the pendant UNFOLD switch.
Platform position will change. Repeat
adjustment until criteria below is met.
Proper Adjustment Criteria:
• The bridge plate should rest solidly on
the base plate (minimum of 1" overlap).
There should be a smooth (level) transi-
tion between the platform, bridge plate
and the base plate. See Photos B and C.
• The platform stop blocks (one per side)
must be making full contact with the
vertical arms when the platform is at
fl
oor
level. See Photo A.
Tower 2 (Up) Switch Adjustment:
Floor Position from Below Floor
1. Lower platform a minimum of 6" below
fl
oor
level position using the manual hand pump
or pendant control.
2. Turn switch adjustment screw counter-
clockwise 3 full turns.
3. Press pendant UP switch (continue press-
ing switch until platform stops).
4. When platform stops, turn switch adjust-
ment screw clockwise while pressing the
pendant UP switch. Platform position
will change. Repeat adjustment to meet
criteria listed in Tower 1 Switch "Proper
Adjustment Criteria" at left.
Adjustment Veri
fi
cation
Following adjustment procedures, verify
proper adjustment as detailed at left. Ad-
just the switches as needed per the guide-
lines in Photo A.
Figure D
Figure E
