Upright SL20 Series User manual

Safety Rules and Operating Instructions
Safety Rules and Operating Instructions
Safety Rules
NEVER operate the machine without first surveying the work area for surface hazards such as holes, drop-
offs, bumps and debris.
NEVER operate the machine if all guardrails are not properly in place and secured with all fasteners prop-
erly torqued.
SECURE chain across entrance after mounting platform.
NEVER use ladders or scaffolding on the platform.
NEVER attach overhanging loads or increase platform size.
LOOK up, down and around for overhead obstructions and electrical conductors.
DISTRIBUTE all loads evenly on the platform. See the back cover for maximum platform load.
NEVER use damaged equipment. (Contact UpRight for instructions. See toll-free phone number on back
cover.)
NEVER change operating or safety systems.
INSPECT the machine thoroughly for cracked welds, loose hardware, hydraulic leaks, damaged control
cable, loose wire connections and wheel bolts.
NEVER climb down elevating assembly with the platform elevated.
NEVER perform service on machine while platform is elevated without blocking elevating assembly.
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 with-
out the manufacturer’s consent.
NEVER operate the machine
within ten feet of power lines.
THIS MACHINE IS NOT
INSULATED.
NEVER elevate the platform
or drive the machine while
elevated unless the machine is
on firm level surface.
NEVER sit, stand, or climb
on guardrail or midrail
SL20
Serial No. 9300 to Current
Operator Manual
WARNING
All personnel shall carefully read, understand and follow all safety rules,
operating instructions, and the Scaffold Industry Association’s MANUAL
OF RESPONSIBILITIES
of ANSI A92.6-1999 before performing
maintenance on or operating any UpRight Aerial Work Platform.

Page 2 SL20
This manual covers operation of the SL20 Self Propelled Elevating Work Platform. This manual
must be stored on the machine at all times.
Carefully read, understand and follow all safety rules, operating instructions, labels and the Scaf-
fold Industry Association’s MANUAL OF RESPONSIBILITIES. Perform the following steps each
day before use.
1. Open module covers and inspect for damage, oil leaks or missing parts.
2. Check the level of the hydraulic oil with the platform fully lowered. Oil should be visible to full
line on tank. Add hydraulic fluid if necessary.
3. Check that fluid level in the batteries is correct (See Battery Maintenance, page 7).
4. Verify that batteries are charged.
5. Check that AC extension cord has been disconnected from charger.
6. Check that all guardrails are in place with fasteners properly tightened.
7. Inspect the machine thoroughly for cracked welds, loose hardware, hydraulic leaks, damaged
control cable, loose wire connections and wheel bolts.
8. Move the machine, if necessary, to an unobstructed area to allow for full elevation.
9. Pull Chassis Emergency Stop Switch to the ON position.
10. Pull Platform Emergency Stop Switch to the ON position.
Figure 1:
Chassis Controls
11. Turn and hold the Chassis Key
Switch to CHASSIS. Push the
Chassis Lift/Lower Switch to lift
position and fully elevate the plat-
form.
12. Visually inspect the elevating
assembly, lift cylinder, cables and
hoses for cracked welds, loose
hardware, hydraulic leaks, loose
wire connections and erratic oper-
ation. Check for missing or loose
parts.
13. Verify that depression mecha-
nism supports have fully rotated
into position under each module.
14. Turn and hold the Chassis Key
Switch to CHASSIS. Partially
lower the platform by pushing the
Chassis Lift/Lower Switch to
LOWER, and check operation of
the audible lowering alarm.
15. Pull out on the Emergency Lowering Knob to check for proper operation. Once the platform
has lowered completely, release the knob.
INTRODUCTION
PRE-OPERATION SAFETY INSPECTION (FIGURES 1, 2, AND 3)
Chassis Emergency
Stop Switch
Chassis
Key Switch
Lift/Lower Switch

Page 3SL20
Figure 2:
Emergency Lowering Knob
16. Turn the Chassis Key Switch to
DECK.
17. Close and secure module covers.
18. Check that route is clear of obsta-
cles (persons, obstructions, holes,
drop-offs, bumps, and debris), is
level, and is capable of supporting
the wheel loads.
19. Mount the platform and properly
close the entrance.
Figure 3:
Platform Controls
20. PLATFORM CONTROLS. Tu r n
theDrive/LiftSwitchtoDRIVE.
While holding in the Interlock
Switch, move the Control Handle
to FORWARD, then REVERSE, to
check for speed control.
21. Push the Steering Switch RIGHT,
then LEFT, to check for steering
control.
22. Turn the Drive/Lift Switch to LIFT.
Grasp the Control Handle,
depress the Interlock Switch and
push it forward to check platform
lift controls. Raise the platform to
full elevation.
23. Pull back on the Control Handle.
The platform should descend and
the audible lowering alarm should
sound.
24. The Platform will descend to the
Loading Clearance Height, then
stop. Check around the base of
the platform to ensure that no one
is in contact with the machine.
25. Press the Loading Clearance Low-
ering Switch and pull back on the
Control Handle to lower platform
completely.
26. Push the Platform Emergency
Stop Switch button to check for
proper operation. All the machine functions should be disabled. Pull out the Platform Emer-
gency Stop Switch to resume.
Emergency Lowering
Knob
Steering
Switch
Drive/Lift
Switch
Emergency
Stop Switch
Loading Clearance
Lowering Switch
Control Handle
with Interlock
Switch

Page 4 SL20
Before operating the work platform, ensure that the pre-operation safety inspection has been
completed and that any deficiencies have been corrected. Never operate a damaged or mal-
functioning machine. The operator must be thoroughly trained on this machine, and must read,
fully understand, and follow this Operator Manual and Scaffold Industry Association’s Manual of
Responsibilities of ANSI A92.6-1999.
PLATFORM EXTENSION
Figure 4:
Platform Extension
1. Mount the platform and properly
close the entrance.
2. Depress the foot lever located at
the rear of the platform extension.
Push the platform extension for-
ward until the pin engages the
front stop.
3. To retract the platform extension,
depress the foot lever and pull the
platform extension toward the rear
of the machine until the pin
engages the rear stop
TRAVEL WITH PLATFORM
LOWERED
1. Check that route is clear of obsta-
cles (persons, obstructions, holes,
drop-offs, bumps, and debris), is
level, and is capable of supporting
the wheel loads.
2. Verify that the Chassis Key Switch
is turned to DECK and that Chassis Emergency Stop Switch is on (pulled out).
3. Mount the platform and properly close the entrance.
4. Check clearances above, below, and to the sides of the platform.
5. Pull the Platform Emergency Stop Button out to the ON position.
6. Turn the Drive/Lift Switch to DRIVE.
7. Hold in the Interlock Switch and move the Control Handle to FORWARD or REVERSE to travel
in the desired direction. The speed of the machine will vary depending on how far from center
the Control Handle is moved.
STEERING
1. Turn the Drive/Lift Switch to DRIVE.
2. While holding in the Interlock Switch, push the Steering Switch to RIGHT or LEFT to turn
wheels in the desired direction. Observe the tires while operating the machine to ensure
proper direction.
NOTE: Steering is not self-centering. Wheels must be returned to the straight ahead
position by operating the Steering Switch.
ELEVATING PLATFORM
1. Select a firm, level surface.
2. Turn the Drive/Lift Switch to LIFT.
3. While holding in the Interlock Switch, push the Control Handle forward.
4. If the machine is not level the tilt alarm will sound and the machine will not lift or drive. If the
tilt alarm sounds the platform must be lowered and the machine moved to a firm level
surface before attempting to re-elevate the platform.
NOTE: Depression supports will deploy automatically as the platform elevates and will
retract after the platform has been lowered completely and has been driven.
OPERATION

Page 5SL20
TRAVEL WITH PLATFORM ELEVATED
NOTE: The machine will travel at reduced speed when the platform is elevated.
1. Check that the route is clear of obstacles (persons, obstructions, holes, drop-offs, bumps, and
debris), is level, and is capable of supporting the wheel loads.
2. Check clearances above, below and to the sides of platform.
3. Turn Drive/Lift Switch to DRIVE.
4. Hold in the Interlock Switch and move the Control Handle to FORWARD or REVERSE to
travel in the desired direction. The speed of the machine will vary depending on how far from
center the Control Handle is moved.
5. If the machine is not level the tilt alarm will sound and the machine will not lift or drive. If the
tilt alarm sounds the platform must be lowered and the machine moved to a firm, level
surface before attempting to re-elevate the platform.
LOWERING PLATFORM
1. Turn Drive/Lift Switch to LIFT.
2. Hold in the Interlock Switch and pull back on the Control Handle to lower the platform. The
Platform will descend to the Loading Clearance Height, then stop. Check around the base of
the platform to ensure that no one is in contact with the machine.
3. Press the Loading Clearance Lowering Switch and pull back on the Control Handle to lower
platform completely.
EMERGENCY LOWERING
The Emergency Lowering Valve Knob is located at the front of the chassis (Figure 2).
1. Open the Emergency Lowering Valve by pulling and holding the knob.
2. To close, release the knob. The platform will not elevate if the Emergency Lowering Valve is
open.
AFTER USE EACH DAY
1. Ensure that the platform is fully lowered.
2. Park the machine on a firm, level surface, preferably under cover, secure against vandals,
children, and unauthorized operation.
3. Turn the key switch to OFF and remove the key to prevent unauthorized operation.
WARNING !!
If the platform should fail to lower, NEVER climb down the elevating
assembly.

Page 6 SL20
Figure 5:
Transporting the Work Platform
BYFORKLIFT
Forklift from the side by lifting under the chassis modules.
BYTRUCK
1. Using the Control Handle, lift the platform above eight feet, then lower. The platform will stop
lowering at the Loading Clearance Height.
2. Maneuver the work platform into transport position. Press the Loading Clearance Lowering
Switch to fully lower the platform, then chock the wheels. The platform must be in the fully low-
ered position for transport.
3. Secure the work platform to the transport vehicle with chains or straps of adequate load
capacity attached to the front and rear lift/tie down points on both sides of the chassis.
TRANSPORTING THE WORK PLATFORM
DANGER
! !
Forklifting is for transporting only.
See specifications for weight of work platform and be certain that forklift is of
adequate capacity to lift work platform.
CAUTION
!!
Overtightening of chains or straps through tie down lugs may result in
damage to work platform.

Page 7SL20
BLOCKING THE ELEVATING ASSEMBLY
BRACE INSTALLATION
Figure 6:
Blocking the Elevating Assembly
1. Park the work platform on firm, level surface.
2. Turn and hold the Chassis Key Switch to
Chassis. Push the Lift/Lower Switch to LIFT
and elevate the platform approximately two
feet.
3. Place a 4 inch x 4 inch wood block as shown
in Figure 6.
4. Turn and hold the Chassis Key Switch to
CHASSIS. Push Chassis Lift Switch to
LOWER and gradually lower the platform
until the elevating assembly is supported by
the wood block.
BRACE REMOVAL
1. Turn and hold the Chassis Key Switch to
Chassis. Push the Lift/Lower Switch to LIFT
and gradually raise the platform until the wood block can be removed.
2. Remove the wood block.
3. Turn and hold the Chassis Key Switch to CHASSIS. Push the Lift/Lower Switch to LOWER
and completely lower platform.
BATTERY MAINTENANCE
• Check the battery fluid levels daily, especially if the work platform is being used in a
warm, dry climate.
•If
the electrolyte level is lower than 3/8 in. (10 mm) above the plates, add distilled
water ONLY. Do not use tap water with high mineral content, as it will shorten battery
life.
• The battery and cables should be inspected regularly for signs of cracks in the case,
electrolyte leakage and corrosion of the terminals. Inspect cables for worn spots or
breaks in the insulation and for broken cable terminals. Keep terminals and tops of
batteries clean.
• Refer to the Service Manual to extend battery life and for complete service instruc-
tions.
MAINTENANCE
WARNING !!
Never perform service in the elevating assembly area while the platform is
elevated without first blocking the elevating assembly.
DO NOT stand in elevating assembly area while deploying or storing brace.
DO NOT block elevating assembly with a load on the platform.
WARNING !!
Hazard of explosive gas mixture. Keep sparks, flame, and smoking material
away from battery.
Always wear safety glasses when working near batteries.
Battery fluid is highly corrosive. Thoroughly rinse away any spilled fluid with
clean water.
Always replace batteries with UpRight batteries or manufacturer approved
replacements weighing 62 lbs. each.

Page 8 SL20
BATTERY CHARGING
Figure 7:
Power Module
Charge the batteries at end of each
work shift or sooner if batteries have
been discharged.
1. Check battery fluid level. If electrolyte level is lower than 3/8 in. (10 mm) above plates add dis-
tilled water only.
2. Connect an extension cord to the battery charger plug at end of left module. Connect exten-
sion cord (12 gauge [1.5 mm²]minimum conductor diameter; 50 ft. [15m]maximum length) to
properly grounded outlet of correct voltage and frequency.
3. The battery charger turns on automatically after a short delay.
NOTE: The battery charger circuit must be used with a GFI (Ground Fault Circuit
Interrupt) outlet.
DO NOT operate the machine while charger is plugged in.
Battery Charger
Remove to check fluid
WARNING !!
Charge batteries only in a well ventilated area.
Do not charge the batteries if the work platform is near a source of sparks or
flames.
Permanent damage to the batteries will result if the batteries are not
recharged immediately after discharging.
Never leave the battery charger operating for more than two days.
Never disconnect the cables from the batteries when the battery charger is
operating.
Keep the battery charger dry.

Page 9SL20
MAXIMUM DISTRIBUTED
PLATFORM LOAD 750 LBS.
OR 2 OCCUPANTS
MAXIMUM SIDE LOAD 113 LBS.
9
CIRCUIT BREAKER
MAX
FILLLINE
MIN
1775 PARK ST. SELMA CALIFORNIA 93662 USA
Model:______________ Ser al number:_____________
GVW: __________lbs. Mfg. date:___________
Occupants and equ pment must not exceed the rated workload _____lbs. Rated number of occupants: _____ Max mum platform he ght: ______ft. Nom nal system voltage: ______vdc Max mum wheel and/or outr gger load: _____lbs.
Th s mach ne s manufactured to comply w th ANSI A92.6-1999.
CAUTION: CONSULT OPERATOR’S MANUAL BEFORE USE. THIS PLATFORM IS NOT ELECTRICALLY INSULATED LOADING CLEARANCE
LOWERING SWITCH
TIP-OVER HAZARD
MAXIMUM DISTRIBUTED LOAD
250 LBS. OR 1 OCCUPANT
MAXIMUM SIDE LOAD 100 LBS
061205-005 1 required
066568-000 1 required
101203-000 1 required
014222-003-99 2 required
066556-001 4 required
066559-000 1 required
066552-000 1 required
005221-000 1 required
062562-001 1 required
066553-004 2 required
061220-002 1 required
101250-002 2 required
066550-006 1 required
066554-000 1 required
010076-001 1 required
101251-000 1 required
066558-000 1 required
066555-000 1 required
066553-001 2 required
MAXIMUM
WHEEL LOAD
1150 LBS
101252-009 1 required
101235-001 1 required
101222-004 1 required
NOTE:Labels can be ordered by using part number located by each label. For machines equipped with options, consult the Service Manual
Proper SL20 label installation is required. All of 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.

Page 10 SL20
The complete inspection consists of periodic visual and operational checks, together with all nec-
essary minor adjustments to assure proper performance. Daily inspection will prevent abnormal
wear and will prolong the life of all systems. The inspection and maintenance schedule is to be
performed at regular intervals. Inspection and maintenance shall be performed by personnel who
are trained and familiar with mechanical and electrical procedures.
The preventative maintenance table has been designed to be used primarily for machine service
and maintenance repair. Please photocopy the following page and use the table as a checklist
when inspecting the machine for service.
PREVENTATIVE MAINTENANCE
WARNING !!
Before performing preventative maintenance, familiarize yourself with the
operation of the machine.
Always block the elevating assembly whenever it is necessary to enter the
scissor assembly to perform maintenance while the platform is elevated.

Page 11SL20
PREVENTATIVE MAINTENANCE CHECKLIST
PREVENTATIVE MAINTENANCE KEY
Interval
Daily=each shift or every day
50h/30d=every 50 hours or 30 days
250h/6m=every 250 hours or 6 months
1000h/2y=every 1000 hours or 2 years
Y=Yes/Acceptable
N=No/Not Acceptable
R=Repaired/Acceptable
PREVENTATIVE MAINTENANCE REPORT
Date: _______________________________________
Owner: _____________________________________
Model No: ___________________________________
Serial No: ___________________________________
Serviced By: _________________________________
Service Interval: ______________________________
COMPONENT INSPECTION OR SERVICES INTERVAL Y N R
Battery Check electrolyte level Daily
Check specific gravity 6m
Clean exterior 6m
Check battery cable condition Daily
Clean terminals 6m
Hydraulic
Oil
Check oil level Daily
Change filter 6m
Drain and replace oil 2y
Hydraulic
System
Check for leaks Daily
Check hose connections 30d
Check hoses for exterior wear 30d
Emergency
Hydraulic
System
Operate the emergency lowering valve
and check for serviceability Daily
Controller Check switch operation Daily
Control
Cable Check the exterior of the cable for
pinching, binding or wear Daily
Platform
Deck and
Rails
Check fasteners for proper torque 6m
Check welds for cracks Daily
Check condition of deck Daily
Tires Check for damage Daily
Check lug nuts (torque to 108 Nm [80 ft.
lbs]) 6m
Hydraulic
Pump
Wipe clean 30d
Check for leaks at mating surfaces 30d
Check for hose fitting leaks Daily
Check mounting bolts for proper torque 6m
Drive
Motors Check for operation and leaks Daily
Steering
System
Check hardware & fittings for proper
torque 6m
Grease pivot pins 30d
Oil king pins 30d
Check steering cylinder for leaks 30d
Elevating
Assembly
Inspect for structural cracks Daily
Check pivot points for wear 6m
Check mounting pin pivot bolts for proper
torque 6m
Check elevating arms for bending 6m
Chassis Check hoses for pinch or rubbing points Daily
Check component mounting for proper
torque 6m
Check welds for cracks Daily
Lift Cylinder Check the cylinder rod for wear 30d
Check mounting pin pivot bolts for proper
torque 6m
Check seals for leaks 30d
Inspect pivot points for wear 6m
Check fittings for proper torque 6m
Entire Unit Check for and repair collision damage Daily
Check fasteners for proper torque 6m
Check for corrosion-remove and repaint 6m
Lubricate 30d
Labels Check for peeling, missing, or unreadable
labels & replace Daily
COMPONENT INSPECTION OR SERVICES INTERVAL Y N R

1775 Park Street
Selma, California 93662
TEL:(800) 926-LIFT or [phone]
FAX: [phone]
Parts FAX: [phone]
101198-001
03-00 D
Local Distributor:
Safety Rules and Operating Instructions
Safety Rules and Operating Instructions
*Specifications are subject to change without notice. Hot weather or heavy use may affect performance.
Refer to the Service Manual for complete parts and service information
The SL20 meets or exceeds all applicable requirements of OSHA and ANSI A92.6-1999
ITEM SL20
Platform Size (Inside toeboards) 29” x 99.5” [.74 m x 2.53 m] Inside Toeboards
Maximum Platform Capacity
Standard w/ Extension 750 lbs. [340 kg]
on Extension 250 lbs. [110 kg]
Maximum Number of Occupants
Standard w/ Extension 2 People
on Extension 1 person
Height
Working Height 26 ft. [7.92 m]
Maximum Platform Height 20 ft. [7.92 m]
Maximum Drivable Height 20 ft. [6.10 m]
Dimensions
Weight, Standard 3,100 lbs. [1411 kg]
Overall Width 33 in. [.84 m]
Overall Height 79.0 in. [2.01 m]
Overall Length, Standard 107.5 in. [2.75 m]
Drive Speed
Platform Lowered 2.3 mph [3.70 km/h]
Platform Raised 0.6 mph [1.13 km/h]
Energy Source 24 Volt Battery Pack (4-220 Amp Hour, 6 Volt Batteries, Minimum Weight 62 lbs.
each),
4HPDCElectricMotor
System Voltage 24 Volt DC
Battery Charger 25 AMP
Hydraulic Tank Capacity 4 Gallons [15.2 l]
Maximum Hydraulic System Pressure 3000 psi [251 bar]
Hydraulic Fluid
Above32° F [0° C])ISO #46
Below 32° F [0° C])ISO #32
Below 0° F [-17° C])ISO #15
Lift System Single Lift Cylinder
Lift Speed 14 seconds
Control System Motor Control, Rotary Selector Switch, and Red Mushroom Emergency Stop
Switch
Drive System Dual Front Wheel Hydraulic Motors
Tires 15 in. [381 mm] Diameter Solid Rubber, non-marking
Parking Brakes Dual - Spring Applied, Hydraulically Released
Turning Radius (inside) 25 in. [.64 m] Inside
Maximum Gradeability: 25% [14º]
Wheel Base 70in.[1.78m]
Guardrails 40in.[1.02m]
Toeboards 6 in. [152 mm]
SPECIFICATIONS