Upright ULII-25, Service & Parts Manual

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Operation
3-4
Section
UL-25/32/40/48 Portable Personnel Lifts
3.3
3.3 Outrigger Installation
1. Remove the outriggers from storage locations on
sides of mast.
2. Insert each into outrigger socket in base (fig. 3-2).
3. Push in until locking pin engages hole in end of
outrigger. Pull outward on outrigger to ensure
engagement.
4. Repeat the above steps for all other outriggers. Make
sure all four (4) locking pins are engaged.
5. Level the base, centering the bubble in the orbit
level on the base by adjusting the screwjacks at the
end of each outrigger (fig. 3-2). DO NOT release
the tension on an outrigger, by turning counter-
clockwise, to level base.
6. All four (4) screwjack pads must be in solid
contact with a firm surface and each outrigger
indicator light must be lit before the platform is
elevated.
Figure 3-2: Installing Outriggers
Bubble Level
Indicator Light
Locking Pin
Screwjack
Outrigger
3.4 Safety/Interlock Test
Never perform these tests from the Platform.
Keep clear of the Platform as it raises and
lowers.
1. Properly install all four (4) Outriggers and level base.
2. While standing on the ground, attempt to raise the
Platform with first the Chassis Emergency Stop
Switch and then the Platform Emergency Stop
Switch in the OFF position. The Platform should not
elevate.
3. While standing on the ground, elevate the Platform
slightly and then open the Emergency Lowering
Valve to verify its operation. Close the Emergency
Lowering Valve.
4. Release the tension on one (1) Outrigger by turning
the screwjack counterclockwise, until the screwjack
pad is off the ground.
5. While standing on the ground, activate the control
panel to elevate the Platform. Machine should not
elevate.
6. Re-level the base with all four (4) Outriggers, then
repeat step 2 with another Outrigger.
7. Repeat steps 4 , 5 & 6 until all four (4) Outriggers
have been tested.
DO NOT use a machine that elevates when: either
Emergency Stop Switch is in the OFF position; the
tension has been released on an Outrigger or will not
lower with the Emergency Lowering Valve. Machine
must be repaired before using.
3.5 Operation
Before operating UL Lift insure that: the operator has been
thoroughly trained on this machine, the operator has read,
fully understands and follows the instructions contained
in the Operator Manual and the Scaffold Industry
Association's MANUAL OF RESPONSIBILITIES, the unit
has been properly set up with all four (4) outriggers prop-
erly installed and the base leveled, and the machine has
passed the Safety Interlock Test (Section 3.4).
Note: Platform will not elevate unless all four outrig-
gers are properly installed with screwjack pads firmly
in contact with floor and each outrigger indicator
lamp lit.
1. Check for external damage to the mast.
2. For AC units connect power unit plug to extension
cord (12 ga. (1.5 mm²) conductor minimum and 50 ft.
(15 m) in length maximum).
Connect extension cord to properly grounded outlet of
proper voltage and frequency.
3. Turn Key to ON , Key Switch is located on the left
side of the mast (fig. 3-1).
4. Pull out on Lower Emergency Stop Button, located
on the left side of the mast (fig. 3-1), to turn switch
ON . In the event of an emergency push the button in
to cut power to all controls.
5. Enter the platform by pulling out on the locking pin
and lifting up on the upper half of the cage.
6. Lower upper half of the cage after entering platform
making sure locking pin is engaged.
7. Check that the area above the platform is clear
before elevating the platform.