Pride POWER ASSIST User manual
POWERASSIST
OWNERS MANUAL
20-24 Apollo Drive
Hallam VIC 3803
PH: (03) 8770 9600 | FAX: (03) 9703 2720
www.pridemobility.com.au
ACN 088 609 661 ABN 66 088 609 6611
The PowerAssist is designed as an aid to a wheelchair attendant providing power to aid pushing in
otherwise strenuous situations such as up steep hills, etc.
The PowerAssist features some ingenious concepts to help the installation and operation of the
device. Some of these are covered by a pending patent.
The PowerAssist is designed to work in conjunction with most wheelchairs with seat widths between
16” and 22”.
The PowerAssist is to be controlled by an attendant with a manual wheelchair and user up to a
combined weight of 250lbs (115kg).
The PowerAssist uses a 12V 18AH battery pack, please use the WU’S charger only, and recharge
the battery to its full capacity every time.
INTRODUCTION
Manufactured by Wu’s Tech Co. Ltd.
3 Fl. No. 112 Sec. 2, Chung-Shan N. Rd., Taipei, Taiwan, R.O.C.
Imported by Pride Mobility Products Australia Pty. Ltd.
20-24 Apollo Drive, Hallam, Victoria, Australia 3803
Ph: 03 8770 9600
The PowerAssist must not be used solely by the wheelchair user under any circumstances.
• Ensure the PowerAssist is installed as far to the rear of the wheelchair as is comfortable for the
attendant to do so.
• When connecting / disconnecting the battery from the motor or the charger make sure both the
power to the charger and PowerAssist handle control are switched off.
• Note: Wheelchairs tted with attendant cable brakes. On such wheelchairs, the attendant brake
levers should be removed prior to tting. If the attendant brakes do not have a separate parking
brake facility, then parking brakes should be added to the wheelchair
• Ensure the PowerAssist is secured in transit. It is also recommended that the battery is
disconnected.
• Ensure that the battery is charged only with the battery charger supplied with the PowerAssist.
Using another battery charger may cause damage or injury.
• The PowerAssist may be susceptible to certain types of electromagnetic waves.
Avoid close proximity to mobile phones, commercial broadcast towers and emergency
services’ radios. Other household appliances are not known to pose any such risk. If
involuntary movement occurs, switch off of the PowerAssist and report this to your dealer.
• The PowerAssist should not be used when it is snowing or during heavy rain. This may cause
damage to the PowerAssist. The PowerAssist should not be exposed to damp conditions or
direct sunlight.
SAFETY PROCEDURES
PARTS DESCRIPTION
Handle Set
Lift Strap
Battery Pack
INSTALLATION INSTRUCTIONS
1. HANDLE INSTALLATION
a. Loosen both knobs on the handset.
b. Squeeze the crocodile clip on the handset
and apply to the push handle as shown.
c. Secure the clip by turning the outer knob
clockwise.
d. Tilt the handset to the required angle then
tighten the inner knob clockwise to secure.
2. BRACKET INSTALLATION
a. Install both brackets on the bottom horizontal
tubing of the wheelchair, using an Allen Key.
b. Ensure that the screws are sufciently tight
and do not rotate on the tubing.
3. POWERPACK INSTALLATION
a. Feed the telescopic bar through the front
end of the PowerAssist. Loosen the tristar
knob on the bar and adjust to the correct
length
b. Tighten the knobs on the bar and at the
front of PowerAssist.
c. Place the two ends of the bar on the rear of
the Brackets, then push the powerpack
forward until it locks in position.
4. BATTERY INSTALLATION
Place the battery pack in to the battery
bracket as shown in the photograph.
5. FINAL CONNECTION
a. Connect the cable from the powerpack in to the
underneath of the handset. Place the top loop of the
lift-up strap around the opposite push handle to the
handset.
b. Connect the cable form the battery pack in to the
system connecter.
c. Place the top loop of the lift-up strap around
the opposite push handle to the handset.
d. Loose the screw at the frame rstly. Then adjust
the battery pack height by sliding the frame.
OPERATING THE POWERASSIST
• Lift-up strap. The PowerAssist comes with a lift-up strap to allow the wheelchair to move when
there is no power. Lift up the PowerAssist with the red strap and hook the second loop around
the push handle. Please note that failure to lift up the PowerAssist when reversing may cause
the pack to ip over.
• Maximum Speed. Always set a maximum speed which you are comfortable walking with.
• Pushing the Wheelchair When Not In Use. We recommend that the powerpack is restrained
with the lift-up strap when not in use.
• Ignition – Dual Wheel Version. The dual wheel version of the PowerAssist has a three position
button to power up the motor. To allow the PowerAssist to move forward press the front of the
button (marked “I”). To allow the PowerAssist to move backwards press the rear of the button
(marked “II”). To switch off the PowerAssist press the button so the switch is in the middle posi-
tion (marked “0”).
• Please note there is a 2-second delay when starting up the PowerAssist before the wheel will
move. Wait 2 seconds before squeezing the trigger.
• Always ensure the PowerAssist is switched off when not in use.
HANDLESET OPERATION
INNER
KNOB
POWER
EYE
IGNITION
OUTER
KNOB
TRIGGER
SPEED
DIAL
Trigger – Squeeze the trigger to propel the PowerAssist. The more the trigger is squeezed, the
faster the PowerAssist will travel. Release the trigger to stop the PowerAssist
Speed Dial – Turn the dial clockwise to increase the maximum speed of the PowerAssist. Turn the
dial anticlockwise to reduce the PowerAssist’s maximum speed.
Inner Knob – This is used to determine the angle of the handle set.
Outer Knob – This is used to secure the clip holding the handset to the push handle.
Power Eye – This is lit green when the PowerAssist is switched on.
DISASSEMBLY &
TRANSPORTATION
1. Switch the PowerAssist off at the ignition.
2. Disconnect / unclip the powerpack connector from underneath the handset and battery
pack.
3. Remove the lift-up strap from the push handle.
4. Lift the battery pack out of the battery tray.
5. Remove the powerpack by loosen the tristar knob(see the photo below)
Notes:
● The battery pack and power pack have fabric handles to make them easier to carry.
BATTERY CHARGING AND CARE
Follow the procedure below step by step:
1. Turn the power switch to (OFF)
2. Lift out the battery pack using the handle on the pack.
3. Plug the charger’s power cord into the mains.
4. Plug the charger’s round plug into the charging socket of the battery pack
5. Switch on the plug socket.
6. The charger’s LED will illuminate orange to indicate the batteries are charging. The
charging duration is about 8 hours. To ensure optimum performance a 12-hour charge is
recommended
7. The orange LED will turn green when charging is complete.
8. Turn off the charger, disconnect the power cord and the round plug from the battery pack
Suggestions
1. Do not disconnect the charger cord if charging Is not completed. The battery life will be seriously
shortened or decayed if the battery is repeatedly used without being fully charged. Therefore be
sure to charge the battery fully every time.
2. Always complete the charging until the LED light turns green. NEVER stop charging before it is
complete.
3. When fully charged, the battery charger will still trickle charge the battery to ensure optimum
range.
4. If you do not use your powerpack for a long time, it should be charged at least every week to
keep the battery in a fully usable condition.
5. The ambient temperature will affect charging time. Charging time will be longer in the winter.
6. After charging, do not leave the charger socket plugged in to the scooter, as this will cause a
power drain on the powerpack and temporarily reduce its range.
Attention: Please follow the rules below to avoid accidents while charging.
1. Only use the supplied charger, and recharge the battery to its full capacity every time. You
may damage the battery if you use a charger which is not to the correct specication.
2. Never disassemble or modify the charger.
3. Please charge in a well-ventilated space where there is no direct exposure to the sunlight.
Do not charge in surroundings where it is humid or raining.
4. Do not charge in temperatures less than -10°C or higher than +50°C as the charger may
not work well & batteries may become damaged.
Warning
1. Keep away from ammable objects while charging as this may lead to re or battery
explosion.
2. Do not smoke while charging as the battery may release hydrogen gas. Always charge your
battery in a well-ventilated space.
3. Never connect or disconnect the plug or cord with wet hands whilst charging. Do not
connect or disconnect the plug or cord when they are wet, it may lead to electric shock
CHARGER
The charger supplied has an LED which changes colour depending on its status:
● If the LED is lit ORANGE then the charger is switched on and charging
● If the LED is lit GREEN then the charger is switched on and has nished the bulk of its
charging and the batteries can be used. However, we recommend that you leave the charger
charging for a couple of hours after the green LED has lit. This will maintain and probably increase
the capacity of your batteries
● The LED will also illuminate GREEN if the charger is switched on but not connected to the
batteries.
BATTERIES
● Do not expose the battery pack to temperatures below -10º or above 50ºC when charging or
storing.
● The batteries are maintenance free and there is no need to inspect the battery liquid or rell with
water.
● You are required to charge the batteries on a regular basis. Even if the powerpack is not used, it
should be charged at least once a week.
● The battery pack contains one 12V 18ah batteries.
● The battery supplied with the Power Assist is classied as safe for air travel by compliance with
IATA special provision A67
CHARGING THE BATTERIES
● Using the charger supplied, the charging duration is about 8 hours.
● However, to ensure optimum performance we recommend a 12-hour charge
● We also recommend that the batteries are not charged for more than 24 hours.
● When only two light indications shown on the battery meter, it will start to ash as a
reminder to charge the batteries.
TROUBLESHOOTING
Wheelchair does not move when trigger is pressed Possible Solutions:
● Check the PowerAssist is switched on
● Check the battery is fully charged.
● Check the connection between the battery and motor is correct.
● Check the wheelchair brakes are not applied.
● Check the drive wheel is in contact with the ground.
Wheelchair is difcult to push manually. Possible Solutions:
● Check the wheelchair brakes are not applied.
● Remove PowerAssist.
The PowerAssist is too fast / slow
● Try varying the speed with speed dial.
● Try recharging the batteries (if too slow).
● Check the wheelchair brakes are not applied
SPECIFICATIONS
● Weight: 14kg (weight with battery)
6.5kg (battery pack)
● Max speed: 5 km/h
● Max gradient: 6º
● Weight capacity: (115kg) including wheel
chair & user
● Motor: 12V 100W 4100RPM
● Battery:12V 18ah Sealed Lead Acid
● Charger: 3A 12V output
Table of contents
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