Upright SL-30N User manual

12
SL-30N
57.5 in. x 166.25 in. [1.46 m x 4.22 m]
N/A
1000 lbs. [363 kg]
N/A
N/A
4 people
N/A
36 ft. [10.97 m]
30 ft. [9.14 m]
59 in. [1.5 m]
Electric 5,470 lbs. [2481 kg]
Kohler Gas 5,220 lbs. [2368 kg]
Kubota Gas 5,350 lbs. [2427 kg]
Kubota Diesel 5,410 lbs. [2454 kg]
66 in. [1.68 m], with standard tires
94.5 in. [2.40 m]
173 in. [4.39 m]
30 ft. [10.97 m]
0 to 3.1 mph [0 to 5.0 km/h]
0 to 2.6 mph [0 to 4.2 km/h]
0 to .5 mph [0 to .8 km/h]
0 to .5 mph [0 to .8 km/h]
Gas/Diesel: 12 Volt DC Electric: 24 Volt DC
40 Amp 110 V 60 Hz (40 Amp 220 V 50 Hz, Optional)
12 Gallons [45.5 l]
2500 psi [172 bar]
ISO #46
5W-20 otor Oil
One Single Stage Lift Cylinder
Raise, 23 sec./Lower, 35 sec.
Raise, 33 sec./Lower, 35 sec.
Two 4HP Electric otors, Eight 6V 220 Amp/Hour
Batteries, 20 HP Kohler agnum, 20 HP Kubota WG750,
20 HP Kubota D905 (Diesel)
Proportional
Proportional Joystick Controller with Interlock
Dual Rear Wheel, Hydraulic otors
B78-13ST Slab, 50 psi
Spring Applied, Hydraulic Release
9 ft. 9 in. [2.97 m]
Gas/Diesel: 30% [16°] Electric: 25% [14°]
100 in. [2.54 m]
43.5 in. [1.11 m] high, Fold Down with Gate
6 in. [152 mm] High
SL-26N
57.5 in. x 141.5 in. [1.46 m x 3.59 m]
57.5 in. x 181.5 in. [1.46 m x 4.61 m]
1250 lbs. [567 kg]
1250 lbs. [567 kg]
500 lbs. [110 kg]
5 people
2 people
32 ft. [9.75 m]
26 ft. [7.93 m]
59 in. [1.5 m]
Electric 5,160 lbs. [2341 kg]
Kohler Gas 4,910 lbs. [2227 kg]
Kubota Gas 5,040 lbs. [2286 kg]
Kubota Diesel 5,100 lbs. [2313 kg]
66 in. [1.68 m], with standard tires
94.5 in. [2.40 m]
149 in. [3.79 m]
26 ft. [9.75 m]
0 to 3.1 mph [0 to 5.0 km/h]
0 to 2.6 mph [0 to 4.2 km/h]
0 to .5 mph [0 to .8 km/h]
0 to .5 mph [0 to .8 km/h]
Gas/Diesel: 12 Volt DC Electric: 24 Volt DC
40 Amp 110 V 60 Hz (40 Amp 220 V 50 Hz, Optional)
12 Gallons [45.5 l]
2500 psi [172 bar]
ISO #46
5W-20 otor Oil
One Single Stage Lift Cylinder
Raise, 20 sec./Lower, 35 sec.
Raise, 33 sec./Lower, 35 sec.
Two 4HP Electric otors, Eight 6V 220 Amp/Hour
Batteries, 20 HP Kohler agnum, 20 HP Kubota WG750,
20 HP Kubota D905 (Diesel)
Proportional
Proportional Joystick Controller with Interlock
Dual Rear Wheel, Hydraulic otors
B78-13ST Slab, 50 psi
Spring Applied, Hydraulic Release
9 ft. 9 in. [2.97 m]
Gas/Diesel: 30% [16°] Electric: 25% [14°]
100 in. [2.54 m]
43.5 in. [1.11 m] high, Fold Down with Gate
6 in. [152 mm] High
ITEM
Platform Size (Inside Toeboards)
Standard
w/ Extension
Max. Platform Capacit
Standard
w/ Extension
on Extension
Max. No. Of occupants
Standard
on Extension
Height
Working Height
ax. Platform Height
in. Platform Height
Dimensions
Weight
Overall Width
Overall Height
Overall Length
Drivable Height
Surface Speed
Platform Lowered: Gas/Diesel
Electric
Platform Raised: Gas/Diesel
Electric
S stem Voltage
Batter Charger (Electric only)
H draulic Tank Capacit
Maximum H draulic S stem
Pressure
H draulic Fluid
Normal Use (>32 °F [0 °C])
Low Temp. Use
(-10 to 32 °F [-23 to 0 °C])
Lift S stem
Lift Speed
Gas/Diesel
Electric
Power Source
Drive Control
Control S stem
Horizontal Drive
Tires
Parking Brake
Turning Radius (inside)
Maximum Gradeabilit
Wheel Base
Guardrails
Toeboard
FOR MORE INFORMATION
Local Distributor:
USA
TEL: [phone] or (1) 559-662-3900
FAX: [phone]
Parts FAX: [phone]
801 South Pine Street
Madera, California 93637
http://www.upright.com
060588-012
07-02
Safety Rules and Operating Instructions
Safety Rules and Operating Instructions
Specifications*
* Specifications subject to change without
notice.
Hot weather or heavy use may reduce
performance.
Meets or exceeds all applicable requirements
of OSHA and ANSI A92.6-1999
Refer to Service Manual for complete parts
and service information.
1
SL-26/30N
SAFETY RULES
Operator Manual
SL-26/30N
SERIAL NO. 13300 to Current
NEVER operate the machine
within ten feet of power lines.
THIS MACHINE IS NOT IN-
SULATE .
NEVER elevate the platform or
drive the machine while el-
evated unless the machine is
on a firm level surface.
NEVER sit, stand or climb on
guardrail or midrail.
WARNING
All personnel shall carefully read, understand and follow all safety rules,
operating instructions and the Scaffold Industry Associations MANUAL OF
RESPONSIBILITIES (ANSI A92.6) before operating or performing maintenance on
any UpRight aerial work platform.
Safety Rules and Operating Instructions
Safety Rules and Operating Instructions
NEVER operate the machine without first surveying the work area for surface hazards such as
holes, drop-offs, bumps and debris before operating machine.
NEVER operate the machine if all guardrails are not properly in place and secured with all
fasteners properly torqued.
SECURE gate 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.
CHECK all four tires for correct inflation. See Specifications.
ISTRIBUTE 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 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 batteries 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 manufacturers consent.
California Proposition 65 Warning
Gasoline and diesel engine exhaust and some of their constituents are known to the
State of California to cause cancer, birth defects, and other reproductive harm.

2
Electric Model inspection
1. Verify batteries are charged see Battery
Maintenance, page 6).
2. Check that A.C. extension cord has been
disconnected from charger.
System Function Inspection
STAND CLEAR of the work platform while
performing the following checks.
Before operating the work platform survey
the work area for surface hazards such as
holes, drop-offs, bumps and debris.
Check in ALL directions, including above
the work platform, for obstructions and
electrical conductors.
Protect control console cable from possible
damage while performing checks.
1. Unhook Controller from front guardrail. Firmly
grasp Controller hanger in such a manner that
the Interlock Lever can be depressed, while
performing the following checks from the
ground.
2. Pull Controller Emergency Stop Button out to
ON position.
3. Turn Controller Key Switch clockwise to ON.
Turn fully clockwise to start engine Gasoline /
Propane engine only).
Note: If the engine is cold, depress the choke
button and hold while starting. iesel mod-
els: depress and hold the glow plug button
for 6 seconds prior to starting to engage the
glow plugs.
4. Turn Drive/Lift Switch to RIVE position.
Introduction
This manual covers SL-26/30 Narrow Work Plat-
forms. This manual must be stored on the
machine at all times.
Pre-Operation and Safety
Inspection
Read, understand and follow all safety rules
and operating instructions and then perform
the following steps each day before use.
1. Remove module covers and inspect for dam-
age, oil leaks or missing parts.
2. Check the level of the hydraulic oil with the
platform fully lowered. Oil should be visible in
the sight gauge. Add hydraulic oil, if necessary
see Specifications, back cover).
3. Check that the fluid level in the batteries is
correct see Battery Maintenance, page 6).
4. Carefully inspect the entire work platform for
damage such as cracked welds or structural
members, loose or missing parts, oil leaks,
damaged cables or hoses, loose connections
and tire damage.
5. Check that all guardrails are securely in place
with all fasteners properly torqued.
6. Check tire pressure 50 psi).
7. Place the Chassis Emergency Stop Switch to
the ON position.
Gas / Propane Model Inspection
1. Check fuel supply.
2. Check engine oil level with dipstick.
3. If equipped, check coolant level in radiator.
DO NOT check coolant when radiator or
engine is hot.
4. Set gasoline / propane selector to desired
position. Set to the center position to purge the
system when switching fuels. If the machine is
to be operated on propane, open the supply
valve on the tank.
NOTE: When using LP gas, use clean, water free
liquid petroleum gas, preferably from a bulk
storage tank. Follow the instructions located on
the Power Module tray for filling the tank.
If you smell propane, close the supply
valve on the tank immediately until you
have located and corrected the leak.
Figure 1: Control Module, Chassis Left Side
Hydraulic Tank
Sight Gauge
Chassis
Emergency
Stop Switch
Emergency
Lowering Valve
Fuel Selector Switch
Propane Option Only)
Chassis Lift
Switch
11
NOTES:

10
NOTES:
3
5. With the Speed Range Switch first in HIGH
TORQUE and then in HIGH SPEE actuate
the Interlock Lever and slowly push the Control
Lever to FORWAR then REVERSE positions
to check for speed and directional control. The
farther you push or pull the Control Lever from
center the faster the machine will travel.
6. Push Steering Switch RIGHT then LEFT to
check for steering control.
7. Rehook Controller on front guardrail.
8. Push Chassis Lift Switch to UP position and
elevate platform while pushing the Tilt Sensor
off of level. The platform should only elevate
about one foot .3 m) and the Tilt Alarm should
sound. If the platform continues to elevate and/
or there is no alarm STOP and remove the
machine from service until it is repaired.
9. Release the Tilt Sensor and fully elevate
platform.
10. Visually inspect the elevating assembly, lift
cylinder, cables and hoses for damage or
erratic operation. Check for missing or loose
parts.
11. Lower the platform partially by pushing Chas-
sis Lift Switch to OWN, and check operation
of the audible lowering alarm.
12. Open the Chassis Emergency Lowering Valve,
push in and turn counterclockwise, to check for
proper operation. Once the platform is fully
lowered, close the valve, push in and turn
clockwise until the detent engages.
13. Close and secure module covers.
14. Turn the Controller Key Switch counterclock-
wise to OFF.
Operation
Before operating work platform, ensure that the
pre-operation and safety inspection has been
completed, any deficiencies have been corrected
and the operator has been thoroughly trained on
this machine.
Travel With Platform Lowered
1. Verify Chassis Emergency Stop Switch is in
the ON position.
2. After mounting platform close and latch gate.
Check that guardrails are in position and
properly assembled with fasteners properly
torqued.
3. Check that route is clear of persons, obstruc-
tions, holes and drop-offs and is capable of
supporting the wheel loads.
4. Check clearances above, below and to the
sides of the platform.
5. Pull Controller Emergency Stop Button out to
ON position.
6. Set the Drive/Lift Switch to the RIVE position
and turn the Key Switch to ON. On Gasoline /
Propane models, start the engine.
Note: If the engine is cold, depress the choke
button and hold while starting. iesel models:
depress and hold the glow plug button for 6 sec-
onds prior to starting to engage the glow plugs.
7. Set the Drive/Lift Speed Range Switch to HIGH
TORQUE.
8. Grasp the Control Lever so the Interlock Lever
is depressed releasing the Interlock Lever
cuts power to Controller). Slowly push or pull
the Control Lever to FORWAR or REVERSE
to travel in the desired direction. The farther
you push or pull the Control Lever from center
the faster the machine will travel.
9. While moving, push the Drive/Lift Speed
Range Switch to HIGH SPEE for travel on
level surfaces or to HIGH TORQUE for climb-
ing grades or traveling in confined areas.
Steering
1. Push the Steering Switch RIGHT or LEFT to
turn the wheels. Observe the tires while ma-
neuvering to insure proper direction.
NOTE: Steering is not self-centering. Wheels
must be returned to the straight ahead position
by operating the Steering Switch.
Figure 2: Controller
Interlock
Lever
Steering
Switch
Drive/Lift
Switch
Control Lever
Speed Range
Switch
Emergency
Stop Switch
Key Switch
Glow Plug /
Choke Button
Kubota Only)

4
Raising and Lowering The Platform
1. Position the Drive/Lift Switch to LIFT.
2. While holding the Control Lever so the Inter-
lock Lever is depressed, push the Control
Lever slowly to UP to raise the platform. Push-
ing the Control Lever farther increases the lift
speed.
3. When the work task is completed, position the
Drive/Lift Switch to LIFT and lower the platform
by pulling back on the Control Lever until the
platform is fully lowered.
Travel With Work Platform Elevated
Travel with platform elevated ONLY on firm and
level surfaces.
NOTE: The Work Platform will travel at reduced
speed when in the elevated position.
1. Check that the route is clear of persons,
obstructions, holes and drop-offs and is ca-
pable of supporting the wheel loads.
2. Check clearances above, below and to the
sides of platform.
3. Position the Drive/Lift Switch to the RIVE
position.
4. Push the Control Lever to FORWAR or
REVERSE for the desired direction of travel.
Emergency Lowering
The Emergency Lowering Valve is located on
the left hand side of the chassis through the
cutout in the Control Module cover.
1. Open the Emergency Lowering Valve by
pushing in and turning the knob counterclock-
wise approximately ¼ turn, the knob will pop
out disengaging detent.
2. 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 has not been
closed.
3. To close the Emergency Lowering Valve, push
the knob in and turn approximately ¼ turn
clockwise until the detent engages.
Switching Fuels (Gas / Propane Only)
1. With engine running push the Fuel Selector
Switch to the center position.
2. After the engine has quit running select the
appropriate fuel supply.
3. Restart the engine.
Figure 3: Brake Release Pump
After Use Each ay
1. Ensure that the platform is fully lowered.
2. Park the machine on level ground, preferably
under cover, secure against vandals, children
or unauthorized operation.
3. Turn the Key Switch to OFF and remove the
key to prevent unauthorized operation.
Parking Brake Release (Figure 3)
Perform the following only when the machine will
not operate under its own power and it is neces-
sary to move the machine or when towing the
machine up a grade or winching onto a trailer to
transport.
1. Close the needle valve by turning the knob
clockwise.
2. Pump the Brake Release Pump until the Parking
Brake Cylinder Rod clears the wheel rotor.
3. The machine will now roll when pushed or pulled.
4. Be sure to open the needle valve and verify
that the cylinder rod has extended before the
machine is operated.
Never operate work platform with the
Parking Brake inoperative. Serious injury or
damage could result.
Never tow faster than 1 ft./sec. .3 m/sec).
Pump
Needle Valve
9
SL-26/30 N LABEL INSTALLATION: THESE LABELS SHALL BE PRESENT AN IN GOO
CON ITION BEFORE OPERATING THE WORK PLATFORM. BE SURE TO REA , UN ER-
STAN AN FOLLOW THESE LABELS WHEN OPERATING THE WORK PLATFORM.
Note: Labels can be ordered by using Part Number located by each label.
For machines equipped with options consult Service Manual.
061205-005 1-REQUIRED
061220-002 1-REQUIRED
SL30N 101250-003 1-REQUIRED SL26N 101250-007 1-REQUIRED
065791-000 1-REQUIRED
061515-000 1-REQUIRED
066562-000 1-REQUIRED
064421-000 1-REQUIRED
064414-000 1-REQUIRED
063423-000 1-REQUIRED
066555-000 2-REQUIRED
062524-001 1-REQUIRED
066568-000 1-REQUIRED
066552-000 1-REQUIRED
060197-000 1-REQUIRED
027898-000 1-REQUIRED DIESEL ONLY)
064166-000 1-REQUIRED GASOLINE ONLY)
010076-001 1-REQUIRED
066550-004 1-REQUIRED
066554-000 1-REQUIRED
066563-000 1-REQUIRED
030624-024 1-REQUIRED
9
101252-010 SL26 1-REQUIRED
101252-012 SL30 1-REQUIRED

8
COMPONENT INSPECTION OR SERVICES INTERVAL MODEL Y N R
Elevating Inspect for structural cracks Daily A
Assembly Check pivot points for wear 30DA
Check mounting pin pivot bolts 30DA
for proper torque
Check linkage gear for wear 6 A
Check elevating arms for bending 6 A
Grease linkage pins 30DA
Grease linkage gear 30DA
Chassis Check hoses for pinch or Daily A
rubbing points
Check component mounting 6 A
for proper torque
Check welds for cracks Daily A
Lift Check the cylinder rod for wear 30DA
Cylinder Check mounting pin pivot bolts 30DA
for proper torque
Check pivot pin snap rings 30DA
Check seals for leaks 30DA
Inspect pivot points for wear 30DA
Check fittings for proper torque 30DA
Entire Check for and repair Daily A
Unit collision damage
Check fasteners for proper torque 3 A
Check for corrosion-remove 6 A
and repaint
Lubricate 30DA
Labels Check for peeling, missing, or Daily A
unreadable labels & replace
Wheel Check wheel assembly for play 30DA
Bearings Repack wheel bearings 2YA
(replace wheel bearings and
seals at 2000 hrs.)
Service Report
Date: ______________
Owner: _______________________________
Model No: ___________ Serial No: ________
Serviced By: ___________________________
Service Interval: ________________________
Routine Service Table Key
Interval
Daily=each shift every day) or every eight hours
30D=every month 30 days) or every 50 hours
3M=every 3 months or 125 hours
6M=every 6 months or 250 hours
1Y=every year or 500 hours
2Y=every year or 1000 hours
Model
A= All Models
E= Electric Models
D= Dual Fuel Models
Y=Yes/Acceptable
N=No/Not Acceptable
R=Repaired/Acceptable
Routine Service
Use the following table as a guide for routine
maintenance. Inspection and maintenance shall
be performed by personnel who are trained
and familiar with mechanical and electrical
procedures. Refer to the Service Manual for
complete service instructions.
Please copy the following page and use the
Routine Service table as a checklist when inspect-
ing a machine for service.
COMPONENT INSPECTION OR SERVICES INTERVAL MODEL Y N R
Battery Check electrolyte level Daily A
System Check specific gravity 30DA
Clean exterior 6 A
Check battery cable condition Daily A
Charge batteries Daily E
Clean terminals 6 A
Engine Oil Check level and condition Daily D
Check for leaks Daily D
Change oil filter 30DD
Engine Fuel Check fuel level Daily D
System Check for leaks Daily D
Replace fuel filter 6 D
Check air cleaner Daily D
Hydraulic Oil Check oil level Daily A
Change filter 6 A
Drain and replace oil 2YA
Hydraulic Check for leaks Daily A
System Check hose connections 30DA
Check hoses for exterior wear 30DA
Emergency Open the emergency lowering Daily A
Hydraulic valve and check for
System serviceability
Controller Check switch operation Daily A
Control Check the exterior of the cable Daily A
Cable for pinching, binding or wear
Platform Check fasteners for proper torque Daily A
Deck and Check welds for cracks Daily A
Rails Check condition of deck Daily A
Tires Check for damage Daily A
Check air pressure (50 psi-B78 x 13 ST) Daily A
Check lug nuts (torque to 90 ft. lbs. [123 Nm]) 30DA
Hydraulic Wipe clean 30DA
Pump Check for leaks at mating surfaces 30DA
Check for hose fitting leaks Daily A
Check mounting bolts for proper torque 30DA
Check the drive coupling for proper
torque and alignment 1YA
Lubricate pump splines (Kohler Only) 6 D
Drive otors Check for operation and leaks Daily A
Steering Check hardware & fittings 6 A
System for proper torque
Grease pivot pins 30DA
Oil king pins 30DA
Check steering cylinder for leaks & 30DA
mounting bolts for proper torque
5
Transporting Work P atform
By Forklift
NOTE: Forklifting is for transporting only.
See specifications for weight of work plat-
form and be certain that forklift is of
adequate capacity to lift platform.
Forklift from side of Chassis by lifting under the
Chassis Modules Figure 5).
By Crane
1. Secure straps to Lifting Lugs only Figure 5).
By Truck
1. Maneuver the work platform into transport
position and chock wheels.
2. Secure the work platform to the transport
vehicle with chains or straps of adequate load
capacity attached to the chassis tie down lugs
Figure 5).
Tie down lugs are not to be used to lift
work platform.
Overtightening of chains or straps through
tie down lugs may result in damage to work
platform.
Figure 5: Transporting Work Platform
Fo d Down Guardrai s
This procedure is only for passing through door-
ways. Guardrails must be returned to proper
position before using the machine.
Fold own Procedure (Figure 4)
Note: When performing the following proce-
dures retain all fasteners.
1. Place controller on platform.
2. Starting at the front of the platform, remove
nuts, bolts and washers from the top of the
front guardrail. Fold the front guardrail down
onto the platform.
3. Close and latch the gate.
4. Remove nuts, bolts and washers from the top
of the rear guardrail. Fold the rear guardrail
down onto the platform being careful to keep
gate latched at all times.
5. Remove nuts, bolts and washers from the top
of the side guardrails and from the slideout
deck midrail. Lift up and fold one side guardrail
in so it rests on the deck. Repeat with other
side guardrails.
Erection Procedure
1. Raise side guardrails making sure each is
pushed down to secure the guardrail in the
vertical position.
2. Install bolts, washers and nuts between the
side guardrails, tighten securely.
3. Raise rear guardrail assembly, aligning holes
and install bolts, washers and nuts. Tighten
securely.
Before entering Platform, guardrails must be
securely fastened in their proper position.
Figure 4: Fold own Guardrails
Front Tie
Downs/
Lifting Lugs
Forklift
Rear Lifting
Lug
Typical)
Rear Tie
Downs

6
Maintenance
Never perform service on the work platform
in the Elevating Assembly area while
platform is elevated without first blocking
the Elevating Assembly.
DO NOT stand in Elevating Assembly area
while installing or removing brace.
DO NOT support or raise the front of the
platform during any maintenance operation
as this may result in damage to the tension
members.
Blocking Elevating Assembly (Figure 6)
Installation
1. Park the work platform on firm level ground.
2. Remove Control Module covers.
3. Verify both Emergency Stop Switches are ON.
4. Turn Chassis Key Switch to CHASSIS.
5. Position Chassis Lift Switch to UP and elevate
platform approximately 12 inches 305 mm).
6. Place a jackstand with a minimum rating of
4,000 lbs. 1,814 Kg) between the Lower Arm
and Chassis just behind the front axle.
7. Push Chassis Lift Switch to OWN position
and gradually lower platform until jackstand is
secured tightly between Lower Arm and Chas-
sis.
Figure 6: Blocking Elevating Assembly
Lower Arm
Jackstand
O NOT lift or
support the
Platform from
the front
Removal
1. Push Chassis Lift Switch to UP position and
gradually raise platform until jackstand can be
removed.
2. Remove jackstand.
3. Push Chassis Lift Switch to OWN position
and completely lower platform.
7
Battery Maintenance
Hazard of explosive gas mixture. Keep
sparks, flame, and smoking material away
from battery ies).
Always wear safety glasses when working
with batteries.
Battery fluid is highly corrosive. Thoroughly
rinse away any spilled fluid with clean water.
Battery Inspection and Cleaning
Check battery fluid level daily, especially if work
platform is being used in a warm, dry climate. If
required, add distilled water ONLY. Use of tap
water with high mineral content will shorten battery
life.
If battery water level is not maintained,
batteries will not fully charge, creating a low
discharge rate which will damage motor/
pump unit and void warranty.
The batteries should be inspected regularly for
signs of cracks in the cases, electrolyte leakage
and corrosion of the terminals. Inspect cables for
worn spots or breaks in the insulation and for
broken cable terminals.
Clean the batteries when there are signs of corro-
sion at the terminals or when electrolyte has
overflowed during charging. Use a baking soda
solution to clean the battery, taking care not to get
the solution inside the cells. Rinse thoroughly with
clean water. Clean battery and cable contact
surfaces to a bright metal finish whenever a cable
is removed.
Battery Charging (Electric Model -Figure 7)
Charge the batteries at the end of each work shift
or sooner if the batteries have been discharged.
Charge the batteries only in a well venti-
lated area.
Do not charge the batteries when the work
platform is in an area containing sparks or
flames.
Permanent damage to the batteries will
result if the batteries are not immediately
recharged after discharging.
Never leave the charger unattended for
more than two days.
Never disconnect the cables from the
batteries when the charger is operating.
Keep the charger dry.
Charge batteries as follows:
1. Check the batteries fluid level. If the electrolyte
level is lower than 3/8 in. 10 mm) above the
plates, add clean, distilled water only.
2. Connect extension cord 12 gauge conductor
minimum and 50 ft. 15 m) in length maximum)
to the charger plug. Connect other end of
extension cord to properly grounded outlet of
proper voltage and frequency.
3. The charger turns on automatically after a
short delay.
4. The charger turns off automatically when the
batteries are fully charged.
Battery Cell Equalization
The specific gravity of the electrolyte in the battery
cells should be equalized monthly. To do this,
charge the battery as outlined in Battery Charging.
After this initial charge, check the electrolyte level
in all cells and add distilled water as necessary.
Then, charge the batteries for an additional 8
hours. During this time, the charging current will be
low 4 amps) as the cells are equalizing.
After equalization, the specific gravity of all cells
should be checked with a hydrometer. The tempera-
ture corrected specific gravity should be 1.260. If the
battery contains any cells with corrected readings
below 1.230, the battery should be replaced.
Do not check the specific gravity in a cell to which
water has just been added. If there is not enough
electrolyte in a fully charged cell to obtain a
sample for the hydrometer, add water and con-
tinue charging for 1 to 2 hours to adequately mix
the water and electrolyte.
Figure 7: Power Module, Chassis Right Side
Charger Plug
Ammeter