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Operator Manual
UL20
UL20
SERIAL NUMBERS 17745 TO CURRENT
WARNING
All personnel shall carefully read, understand and follow all safety rules, operating
instructions and the Scaffold Industry Association's MANUAL OF RESPONSIBILITIES
before performing maintenance on or operating any UpRight aerial work platform.
SAFETY RULES
Safety Rules and Operating Instructions
NEVER elevate
platform unless all
four (4) outriggers
have been properly
installed. All
outrigger screwjack
pads must be in solid
contact with a firm
surface before the
platform is elevated.
NEVER operate the machine
within ten feet of power lines.
THIS MACHINE IS NOT
INSULATED.
NEVER use ladders, planks or other devices to increase the height of the platform.
NEVER attach overhanging loads to the platform or increase the platform size.
NEVER elevate the platform if it contains more than one person or more than the rated load (see specifica-
tions on back page).
LOOK up, down and around for overhead obstructions and electrical conductors.
NEVER change operating or safety systems.
NEVER use outriggers from one model on another model.
CLOSE and secure cage mid rail after entering platform.
Safety Rules and Operating Instructions
INSPECT the machine thoroughly for cracked welds, loose or missing hardware, hydraulic leaks, damaged
control or power cables and loose wire connections.
NEVER use the machine as a freight or personnel elevator.
NEVER recharge battery near sparks or open flame; batteries that are being charged emit highly explosive
hydrogen gas.
AFTER USE secure the work platform against unauthorized use by turning key switch off and removing key.
NEVER replace any component or part with anything other than original UpRight replacement parts
without the manufacturer's consent.
NEVER sit, climb, or stand on the
platform guardrails or midrail.
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NEVER elevate platform without
first leveling the base.
NEVER attempt to
move the UpRight
Lift with people or
materials on the
platform or with
the platform
elevated.
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Outrigger Installation
Emergency
Stop Button
1. Pull each front outrigger out until lockpin
engages (Figure 1A).
2. Rotate each rear outrigger out towards rear of
machine and push in place until lockpin engages (Figure 1B).
3. Level the base, centering the bubble in the orbit
level, using screwjacks at the end of each
outrigger. Do not release tension on an outrigger by turning screwjacks counter clockwise to
level the base.
4. All four (4) screwjack pads must be in solid
contact with a firm surface. Each interlock
switch must be engaged before the platform
will elevate.
Lockpin
Interlock
Switch
Outrigger
Figure 1A: Installing front outriggers
Lockpin
Up
Emergency
Stop Button
Lowering Valve
Key
Switch
Emergency
Power
Down
Platform ControlsBase Controls
Figure 2: Controls
Operation
Before operating UL Lift insure that: the operator has
been thoroughly trained on this machine, the operator has read, fully understands and follows this
Operator Manual and the Scaffold Industry
Association's MANUAL OF RESPONSIBILITIES, the
unit has been properly set up with all four (4) outriggers properly installed and the base leveled, and the
machine has passed the Safety Interlock Test.
Note: Platform will not elevate unless all four
outriggers are properly positioned 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.
NOTE: AC units are protected by a 15 amp circuit
breaker. If breaker trips, push button in to reset
breaker (Figure 3).
Outrigger
Figure 1B: Installing rear outriggers
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AC Circuit
Breaker
Figure 3: AC Base Controls
3. Turn Key to ON. Key Switch is located on the
left side of the mast (Figure 2).
4. Pull out on Lower Emergency Stop Button,
located on the left side of the mast (Figure 2), 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 lifting up on the cage mid
rail.
6. Lower cage mid rail after entering platform.
7. Check that the area above the platform is clear
before elevating the platform.
8. Pull out on Emergency Stop Button, located on
platform control panel (Figure 2). In the event of
an emergency push the button in to cut power to
all controls.
9. Push both the middle and top buttons (POWER
and UP), on the platform control panel (Figure
2), at the same time to elevate the platform.
Release the buttons to stop.
10.Check that the area below the platform is clear
before lowering the platform.
11.Push both the middle and bottom buttons
(POWER and DOWN) at the same time to lower
the platform. Release the buttons to stop.
12.After use, secure unit from unauthorized use by
turning Key Switch to OFF and remove key.
EMERGENCY LOWERING
If the platform should fail to lower, NEVER
climb down the mast.
Ask a person on the ground to open the Emergency Lowering Valve to lower the platform. This
valve is located on the left side of the mast (Figure
2).
1. Pull the knob out and turn
Emergency Lowering Valve.
2. To close the Emergency Lowering Valve, turn
the auxiliary platform lowering knob until it
snaps back in.
Once the platform is fully lowered, be certain that the
Emergency Lowering Valve is closed again. The
platform will not elevate if the Emergency Lowering
Valve is open.
NOTE: Optional auxiliary platform lowering
circuit allows operator to lower platform when
power source is interrupted. A warning light on
base control box shines when batteries for auxiliary platform lowering circuit are low (Figure 4).
Batteries are located inside base control box.
Warning
Light
Figure 4: Warning light shines when batteries
for optional auxiliary platform lowering
circuit are low.
1
/4 turn to open the
AFTER USE EACH DAY
1. Ensure that the platform is fully lowered.
2. Park the machine on level ground, preferably
under cover.
3. Secure against vandals, children or unauthorized operation by turning the Key Switch to
OFF and remove the key.
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Safety Interlock Test
NEVER perform this test from the platform.
BATTERY CHARGING (Figure 5)
Charge batteries at end of each work shift or
sooner if batteries have been discharged.
1. Properly set all four (4) outriggers and level base.
2. Release the tension on one (1) outrigger by turning the screwjack counterclockwise.
3. While standing on the ground activate the control
panel to elevate the platform. Platform should not
elevate.
4. Re-level the base with all four (4) outriggers then
repeat step 2 with another outrigger.
5. Repeat steps 2 , 3 & 4 until all four (4) outriggers
have been tested.
DO NOT use a machine that elevates when the
tension has been released on an outrigger.
Machine must be repaired before using.
Battery Maintenance
Hazard of explosive gas mixture. Keep
sparks, flame and smoking materials away
from battery.
Always wear safety glasses when working
with batteries.
Battery fluid is highly corrosive. Rinse
away any spilled fluid thoroughly with
clean water.
Always replace battery with UpRight battery
or manufacturer approved replacement
weighing at least 76 lbs. (34.5 kg) each.
Check battery fluid level daily, especially if
work platform is being used in a warm, dry
climate.
Charge battery in a well ventilated area.
Do not charge battery when the work
platform is in an area containing sparks or
flames.
Permanent damage to battery will result if
not immediately recharged after discharging.
Keep charger dry.
1. Check battery fluid level. If electrolyte level is
lower than 3/8 in. (10 mm) above plates add
distilled water only.
2. Verify charger voltage switch is set to 12 volts.
3. Connect extension cord (12 ga. (1.5 mm²) conductor minimum and 50 ft. (15 m) in length
maximum) to charger plug.
Connect extension cord to properly grounded
outlet of proper voltage and frequency.
4. Set charger control to "conventional" setting.
Charger ammeter should indicate charge rate.
5. When battery is fully charged, charger automatically turns itself off. Disconnect extension
cord.
Charger
Charging Control
3
If electrolyte level is less than
plates add distilled water only. DO NOT use tap
water with high mineral content, it will shorten
battery life.
Keep terminals and tops of batteries clean.
Refer to the Service Manual to extend battery life
and for complete service instructions.
/8 in. (10 mm) above
Battery Box Plug
Figure 5: Battery Box (DC Models only)
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Loaders
DC MODELS
Disconnect the plug from the battery box and
remove the battery box from the rear of the machine (Figure 5).
The battery box is heavy, 76 lbs. (34.5 kg),
lift properly (or have someone help you) to
prevent back injury.
7. Push the base of the unit towards the front of
the vehicle bed. The machine will slide on the
loader until the rear wheels are on the bed. The
unit may then be rolled on the rear wheels and
upper wheels.
8. Return the loading handle to the stored position.
9. Secure the unit with suitable strength rope or
tie straps.
Make sure loader fully engages tailgate or
vehicle bed.
LOADING
1. Raise the loader support bracket and engage the
retaining pin in the top hole of the loader
channel (Figure 7).
2. Secure the loader to the loader support bracket
with the gravity hook (Figure 7).
3. Position the unit so the back of the machine
comes in contact with the vehicle bed or tailgate.
4. Release the retaining pin and slide the loader
down until it comes into contact with the
vehicle bed or tailgate (Figure 7). Reposition the
loader support bracket so the retaining pin is in
the first available hole above the loader.
5. Remove loading handle from storage position
on left side of mast. Secure loading handle in
loading position in base of unit using clevis pin.
(Figure 6).
6. Lift up on the loading handle, using the loader
as a pivot until the unit rotates to a horizontal
position in the vehicle bed (Figure 8).
Clevis Pin
Loading Handle
Loading Handle
Storage Position
Figure 6: Installing loading handle
To prevent damage to the mast assembly,
do not place rope or tie straps across the
mast assembly when securing the unit for
transportation.
DO NOT overtighten the rope or tie straps,
damage to the machine will result.
Loader Channel
Retaining Pin
Gravity Hook
5
Loader Support
Bracket
Tailgate
Loader
Figure 7: Loader in load position
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Figure 8: Tilting machine onto or off of a vehicle
UNLOADING
1. Unsecure the unit.
2. Remove loading handle from its storage position on left side of mast. Secure handle in base
of unit using clevis pin (Figure 6).
3. Roll the unit back until the rear wheels are off
the edge of the tailgate or vehicle bed.
4. Pull downward on the loading handle, allowing
the unit to slide on the loader. As the unit stops
sliding on the loader, it will pivot on the loader
to an upright position. Gradually counterbalance the unit’s weight by applying an upward
force on the loading handle. This allows the
unit to settle gently on the wheels, avoiding
undue impact on the unit.
5. Return the loading handle to its storage position.
DC Models
Reinstall the battery box and reconnect the plug
making certain it is fully engaged.
Figure 9: Pushing machine into transport position
Passage Through A Doorway
When completely lowered, UL20 will pass through
a standard doorway without tilting back.
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66550-010
1-REQUIRED
66554-002
1-REQUIRED
62821-000
1-REQUIRED
66553-002
2-REQUIRED
62725-002
1-REQUIRED
61205-000
1-REQUIRED
62792-000
2-REQUIRED
62322-000
1-REQUIRED
62840-000
1-REQUIRED
5223-003
1-REQUIRED
62217-000
1-REQUIRED
62612-000
1-REQUIRED
66557-011
1-REQUIRED
62726-000
2-REQUIRED
66551-005
2-REQUIRED
05221-000
66552-000
1-REQUIRED
D.C. UNITS ONLY
1-REQUIRED
D.C. UNITS ONLY
For machines equipped with options consult Service Manual.
66551-005
2-REQUIRED
Note: Labels can be ordered by using Part Number located by each label.
UL LIFT LABEL INSTALLATION: THESE LABELS SHALL BE PRESENT AND IN GOOD
CONDITION BEFORE OPERATING THE WORK PLATFORM. BE SURE TO READ,
UNDERSTAND AND FOLLOW THESE LABELS WHEN OPERATING THE WORK PLATFORM.
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Specifications*
Working Height (A)
Platform Height (Max) (B)
Platform Height (Lowered) (C)
Platform Capacity
H
A
B
C
G
E
Platform Dimensions (l x w)
Unit Dimensions (G x H)
Outriggers Extended (l x w)
Unit Dimensions (D) (E) (F)
Outriggers Stowed (w x h x l)
Net Weight
A.C. Model with outriggers
Net Weight
D.C. Model with outriggers
*Specifications subject to change without notice.
25 ft. 6 in. (7.8 m)
19 ft. 6 in. (5.9 m)
34-1/2 in. (0.87 m)
350 lbs. (159 kg)
22 in. x 26 in.
(0.56 m x 0.66 m)
55 in. x 53 in.
(1.4 m x 1.35 m)
29 in. x 78 in. x 45 in.
(0.74 m x 1.98 m x 1.14 m)
646 lbs.
293 kg
698 lbs.
317 kg
Safety Rules and Operating Instructions
Meets or exceeds all applicable requirements of
D
F
OSHA and ANSI A92.3-1990.
ROUTINE SERVICE
Use the following table as a guide for routine maintenance, refer to Service and Parts Manual for complete
service instructions.
SERVICE OPERATION INTERVAL
DAILY OR OR OR
Check bubble level accuracy X
Check operation of outrigger interlocks X
Check battery fluid level and charge battery (D.C. models only) X
Check for peeling, faded or missing labels & replace X
Check condition of control cable X
Inspect mast assembly for bends, cracks or loose rivets X
Check chassis and platform emergency stop switch operation X
Check emergency lowering valve operation X
Check casters for damage X
Check hydraulic fluid level X
Check cage and cage support fasteners for proper torque X
Inspect and adjust sequence straps slack X
Lubricate lift chains and sheaves X
Change hydraulic fluid (ISO #46) X
MONTHLY 3 MONTHS YEARLY
50 HRS. 125 HRS. 500 HRS.
Safety Rules and Operating Instructions
FOR MORE INFORMATION
Distributor:
TEL: 1-800-926-5438 or 559-662-3900
FAX: 559-673-6184
PARTSFAX: 1-800-669-9884
801 S. Pine St., Madera, CA 93637
http://www.upright.com
8
067997-000
12-02
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