Burke TRI-FLEX User manual
PN 63211
Revised 122012
TF2IDOM1212pn63211.indd
KEEP THIS MANUAL WITH THE BED AT ALL TIMES!
WARNING - All persons operating this drive must read
and understand this entire manual before using the drive!
Operation Manual
Impulse Drive System
STOP! For In-service training or service call your dealer
Patent No. 7,472,438
TM
Copyright 2012 Burke, Inc.
All rights reserved. No part of this text shall be reproduced or transmitted
in any form or means, electronic or mechanical, including photocopying,
recording, or by any information retrieval system without written permis-
sion of BURKE, INC.
Tri-Flex is a trademark of Burke, Inc.
The information in this manual is subject to change without notice. Burke,
Inc. makes no commitment to update or keep current, the information con-
tained in this manual.
Additional copies of this manual may be obtained from Burke, Inc. Please
contact you local representative.
Table of Contents
Introduction page 1
- Device Overview page 1
- Typographical Overview page 1
- Symbols and Warnings page 2
Important Safety Information page 8
Basic Operational Instructions page 11
- Your First Drive page 12
- Weight Indicator (W.I.) system page 15
Cleaning / Disinfection Instructions page 16
Storage of the Bed page 17
Service/ Fuses page 18
Troubleshooting page 20
Frequently Asked Questions page 21
Burke, Inc. ®
Kansas City, KS 66106 USA
www.burkebariatric.com
IMPULSE DRIVE - OPERATION MANUAL 1
Overview
This electric hospital bed is intended for use in an institutional environ-
ment whenever a patient’s weight and/or overall size exceeds existing
unit limitations or patient’s weight exceeds that which the staff can care
for without reducing the quality of service and endangering the safety
of patient and staff. This patient weight usually includes anyone over
The Tri-Flex system can also facilitate patient transport. The impulse
drive system allows for safe and easy control during transport.
NOTE: This manual covers the use and functions of the impulse
drive system. Instructions for other options and accessories such as
scale systems and mattress systems will be covered in supplemental
literature provided with those accessories.
Operating Precautions
Before operating this drive system insure that you have read and un-
derstood in detail the content of this manual. It is important that you
read and strictly adhere to the safety information contained in this
manual. This product is intended for indoor use at room temperatures
by health care professionals only.
Any reference to a side of the bed is from the patient’s view laying in
the bed on their back.
Introduction
TRI-FLEX BED
IMPULSE DRIVE SYSTEM
OPERATIONAL MANUAL
2 IMPULSE DRIVE - OPERATION MANUAL
Symbols and Warnings
The symbol below highlights a WARNING: or CAUTION:
- A WARNING-
ing a warning could result in patient or user injury.
- A CAUTION points out special procedures or precautions that personnel must follow to avoid
equipment damage.
regarding operation.
The symbol following indicates that this device is for indoor use only:
The symbol below indicates a battery:
Introduction
!
IMPULSE DRIVE - OPERATION MANUAL 3
Mechanical
Range: 5-7 miles / 8-11 km (Varies with weight)
Turning Radius: 50” / 127 cm (Approximate)
Tires: Flat-free Foam Filled
Electrical
Current: 1.0 Amps
®
*IMPORTANT: To maximize life and performance you must use batteries with the words “FAA
label. CE marked is also advised. Such batteries have been tested for leakage, vibration, and
operated in any position without any problems caused by either liquid or vapor leakage.
NOTICE: -
mum time between charges and maximum battery life in this application. Gel-type batteries may
be used but be aware that some import gel batteries have been shown to liquefy when subjected
IMPORTANT: -
ies are recommended for use with this Power Drive System. DO NOT use regular car starter
water. They have no danger of hazardous gas or liquid leakage or spillage. These batteries do
not have any orientation restrictions. They will operate with full capacity and battery life when
mounted in any position.
NOTICE: The drive system batteries are located inside the metal battery box attached to the
axle at the foot end of the bed. We do not recommend removing the batteries from the box except
when it is necessary to replace a depleted battery set. Always replace both batteries with new
Specications
4 IMPULSE DRIVE - OPERATION MANUAL
Major Component Identication
-
prises of two modules: the power module which is located beneath the bed near the drive wheels, and
the joystick/controller which is mounted on the headboard of the bed. Become familiar with all controls
with the power button in the OFF position. A detailed explanation follows.
Joystick Operation
Controls for the Impulse Drive System are located on the Shark Joystick/Controller, which is
mounted on the headboard. While becoming familiar with all controls, keep the power button in
the OFF position.
1. On/Off
2. Increase/Decrease Speed
6. Speedometer
Joystick Console
1. TURNING THE POWER ON
current state of battery charge will be displayed and the powerchair may be operated as normal.
-
the fault will disappear.
This feature prevents sudden and unexpected movements.
1.1 TURNING THE POWER OFF
be preferable to turning the Drive System off if leaving the Bed at a place where unauthorized
persons may attempt to use it.
2. ADJUSTING THE DRIVING SPEED The user can adjust the top speed to suit their
preferences and environment. The currently selected top speed is shown on
"Decrease Speed" (Tortoise) buttons.
IMPULSE DRIVE - OPERATION MANUAL 5
Joystick Operation
speed.
adjustment - "5 Speed" and "VSP" modes.
In the "5 Speed" mode pressing the
Increase Speed and Decrease Speed buttons
steps between one of the 5 top speeds 20% to
100%.
In the "VSP" mode a quick single press
of the Increase Speed and Decrease Speed
buttons also steps between one of the 5 speeds
pressing and holding
the Increase Speed (Decrease Speed) Button
allowing practically any top speed to be selected.
Increase Speed and Decrease Speed Buttons for approximately 2 seconds while the unit is pow-
ered up. The control unit will beep when the mode has been changed.
2.1. USING THE SPEEDOMETER The Speedometer is used to gauge the
relative speed of the Bed in comparison to the maximum speed possible.
using the Increase (Decrease) Speed button. Refer to Adjusting the Driving
Speed for further details. Using the joystick, as the speed of the chair
20%
60%
80%
0%
100%
Top Speed 1
Top Speed 2 Top Speed 3
Top Speed 4
Top Speed 5
Top Speed 1
Typically 20% but programmable using the
Lowest Forward Speed parameter.
Top Speed 5
Typically 100% but programmable using the
Maximum Forward Speed parameter.
Current
Maximum
Speed
WARNING: Always set the bed in the lowest position
when using the Impulse Drive System.
!
6 IMPULSE DRIVE - OPERATION MANUAL
Joystick Operation
3. BATTERY INDICATOR.
Recharge before undertaking a long trip.
as possible.
4. THROTTLE CONTROL JOYSTICK LEVER. The joystick mounted on the top of the
control panel is both the throttle and direction control lever (Push Slowly). Pushing the joystick
with your thumb in the direction of the horn button on the control faceplate will make the bed
go forward or backward accordingly. Pushing the joystick in slightly will makes the bed begin to
move. The further you depress the joystick, the faster the bed will moves. The top speed set by
joystick will stop power to the motor, activate the brakes, and you will come to a complete stop.
For faster stops in forward, pull the joystick into reverse until the unit stops moving, then release
the joystick.
5. HORN BUTTON
The joystick also comes equipped with a built in horn, activated by depressing the horn button.
Should the joystick / brake control system not stop the unit, turning the power
off will engage all brakes and stop the unit abruptly. This backup system should only be used in
6. LOCKING THE SHARK
powerchair will then turn off.
(approximately 10 seconds). The current state-of-charge will then be dis-
drive again normally.
IMPULSE DRIVE - OPERATION MANUAL 7
DISPLAY DESCRIPTION This means... Notes
All LED’s OFF
All LED’s ON
Steady
Left RED LED is
ashing
Right to Left
‘chase’
Left to Right ‘chase’
alternating with
steady display
Right GREEN LED
is ashing
All LED’s ashing
slowly
All LED’s ashing
quickly
Power is OFF or
may be locked
Power is ON
Battery charge is
low
SHARK is being
brought out of
Lock mode
SHARK is in program-
ming, inhibit and/or
charging mode
SHARK is in
SPEED LIMIT
mode
SHARK has detected
an Out Of Neutral At
Power Up (OONAPU)
condition
SHARK has detected
a fault
Less LED’s imply a
reduced battery charge
The betteries should
be charged as soon
as possible
To unlock SHARK, press
the horn button twice
before the LED’s nish
counting down
The steady LED’s indi-
cate the current state of
battery charge
The current state of bat-
tery charge will be
displayed at the same time
Release the joystick
back to neutral
SHARK uses Flash
Codes to indicate
faults. Refer to the
Diagnostics section
for further information
abut fault diagnostics
Joystick Operation
Amber Service
Indicator LED
SHARK has detected
a fault
8 IMPULSE DRIVE - OPERATION MANUAL
Introduction to Features of the Charger
volt/ 2 -ampere constant current output. This creates a constant charging output until the batteries are
indications:
1. When the AC is connected to the charger and the charger is connected to the batteries, the
Basic Safety Instructions:
1. Do not expose the charger to rain, snow or other moisture sources (i.e., sprinkler, car wash, etc.).
When storing bed, keep inside a building.
2. Use of the charger in a manner not recommended by the manufacturer may result in the risk of
by grasping the plug and not the cord, when disconnecting from the wall or receptacle.
5. An extension cord is not recommended for use with this equipment.
6. Do not operate this charger with damaged AC cord or receptacle. If they are damaged, replace
them immediately.
Charging the batteries is the most important part of operating and maintaining the Drive System. Be
sure to do it properly!
Only AGM or gel cell sealed lead-acid deep cycle discharge type batteries
should be used. Never use regular car starter batteries. To avoid risk of serious chemical
burnsanddamageoftheequipmentdonotuseoodedcelllead-acidbatteries.AGM
and gel cell batteries do not require water and they have no danger of spillage.
NOTE: The battery charger provided is specially designed for use with Burke brand
equipment. In the unlikely event of failure it should be replaced only with a Burke
approved charger to assure proper performance of the charger and Drive System.
CHARGING THE DRIVE SYSTEM BATTERIES
!
Important Safety Information
!
IMPULSE DRIVE - OPERATION MANUAL 9
Important Safety Information
Grounding and AC Power Connection:
The charger must be plugged into a hospital grade electrical outlet. The unit is provided with an
electrical cord which contains a conductor for grounding.
CAUTION: -
Check all cords for fraying, cuts or damage and replace immediately.
!
!
Charger output line.
Leave this plugged
into the joystick
module at all times.
Charger AC cord.
Plug this cord into
an electrical outlet
when the drive is
not in use. Unplug
and secure the cord
in the holder when
driving the bed.
Status light on the charger.
The status light will ash
AMBER when charging
the batteries. The light
will turn GREEN when
constantly when com-
pleted.
10 IMPULSE DRIVE - OPERATION MANUAL
Important Safety Information
Important Safety Instructions:
Because you will be connecting and disconnecting AC voltage to the bed, DO NOT do so in the
presence of moisture. Observe caution and safety warnings.
a.) Basic Battery Safety
ii. never charge a frozen battery
cycle-type batteries.
b.) Do not disconnect the DC portion of the charger circuit.
NOTE: The drive system CAN NOT be activated if the dual passage assist option is installed.
Thedualpassageassistpolesmustrstberemovedtoallowthedrivesystemwheelstofullycon-
tacttheoor.Ifthedrivesystemisactivatedwiththedualpassageassistpolesinplace
equipmentand/oroordamagemayoccur.
!
!
!
Before Charging:
Verify that battery terminals are clean and that all charger connections are secure and in good condition.
Remove dual passage
poles and wheel chocks
before operating the
drive system.
IMPULSE DRIVE - OPERATION MANUAL 11
Operational Instruction
Pushing the Control
Knob straight forward
will cause the bed to
move in a forward di-
rection. Your speed is
determined by how far
forward you push the
control knob and by the
speed control setting (#
2). Pulling back on the
knob causes the bed
to move in the reverse
direction.
the left (while stationary or
moving) will cause the bed to
turn to the left. Conversely,
moving to the right will cause
it to turn right. If you are sta-
tionary, the bed will tend to
rotate where it sits. You may
use this to position the bed
in a room, or to prepare to
travel in a different direction.
is all of those moves in between the four main
directions. Shown here are different directions for
turning the bed as you operate it. Remember these
moves may be anywhere in between, it depends
on the direction of travel required at the time. The
important thing to remember is that in the forward
positions, the joystick is like a pointer, point and
that is the direction you will go. In reverse, the
pointer is indicating the direction the foot of the
bed will go, not the head. The best thing to do is
space, and practice making the bed move in the
direction you desire.
FULL SPEED
LEFT TURN
GRADUALLY BACK
TOWARD THE RIGHT
FULL SPEED
RIGHT TURN
GRADUALLY BACK
TOWARD THE LEFT
In an emergency or a “Quick-Stop” situation, you may pull straight back
on the control knob momentarily to cause the motors to apply reverse cur-
rent and stop quickly. Use extreme caution, as this may cause the patient
to pitch forward in the bed.
12 IMPULSE DRIVE - OPERATION MANUAL
Operational Instruction
For your rst drive, we recommend the following.
When possible, always work with your dealer to learn how to use your bed.
If you have any questions concerning the drive or bed please call your dealer.
2.
All the casters must be unlocked for the drive to function properly. The steering and
braking functions will be done by the drive wheels.
power ON.
5. Push the control knob forward toward the foot of the bed to go forward.
6. Steer the bed in different directions to get a feel for how the controls operate.
Rotate the knob until the desired top speed is reached. Remember, power
compensation will automatically give you more power and allow you to keep a
slower speed should you need it.
8. Release the control knob to come to a stop. Take note of how the braking feels.
The clicking you might hear upon starting, and shortly after releasing the
control knob is the Electric Brake disengaging and engaging.
at the same speed as the forward direction. Always make sure the area is clear
behind you before backing up.
10. Remember to turn the power button OFF (no visible lights) and engage the
drive lockout feature when not driving, or transferring the patient.
Speed controller characteristics are pre-set for the average driver in a close quarters setting.
The Impulse Drive System is designed for high maneuverability but use caution when encounter-
ing obstacles. Failure to drive cautiously can result in collisions which may cause physical harm.
When approaching an obstacle, keep your speed at a minimum and maintain a safe distance from
that object. Avoid all small objects on the ground. The bed’s ground clearance may be less than
the size of the object. Running over an object or into a depression could cause damage to the bed.
NEVER drive the bed near platforms, stairs, ledges, curbs or in any other
potentially dangerous situation as severe injury can occur.
IMPULSE DRIVE - OPERATION MANUAL 13
Operational Instruction
The Impulse Drive System Braking Systems
The drive system’s brake systems allow for smooth start up and safe braking without undue
of braking is described in the following.
1. Regenerative Braking is activated while driving the bed down an incline. When the bed
picks up speed going down the incline, the motor generates electricity. This electricity is chan-
neled back through the Impulse Drive System’s electronic control circuits to recharge the batteries.
This action keeps the bed from picking up excess speed and provides for smooth speed control.
-
tor. This is done by bringing the control knob back to the center position, as when coming to a
motor. This electric brake has a short delay and ultimately holds the bed at a complete stop. The
bed cannot be moved when this brake is activated. Dynamic Braking works in conjunction with
MOTOR/BRAKE DISENGAGE
Under normal conditions the motor/brake should not have to be disengaged. In the event
the batteries run low, or there is a malfunction with the drive system the hi/lo of the bed can be
pushed to an outlet for charging or to a service area.
DO NOT push the bed with the hi-lo raised for more than is absolutely necessary.
There is a possibility that damage to the hi-lo system may occur. Should you
experience any type of brake system malfunction, DO NOT drive or use the bed.
!
14 IMPULSE DRIVE - OPERATION MANUAL
TRANSPORTING THE BED & PATIENT
To transport a patient on the Tri-Flex bed:
1. Adjust head elevation to the desired position for patient comfort.
a patient above 1000lbs can damage the bed and injure persons.
2. To ensure patient safety, the height of the bed should be lowered to its lowest position.
For maximum stability and traction, height of bed should be lowered to lowest position.
Side rails must be in the highest position to prevent patient from falling out of bed.
5. Unplug the bed AC power cord, wrap the AC power cord around the cord holder.
Automatic battery power will temporarily allow the use of all bed functions until AC power is
restored. Unplug the drive charger AC power cord, wrap the cord around the handle post to
6. Unlock the two head end caster locks and the two foot end caster locks.
Check the bed width and side rail adjustment for doorway
clearance to prevent damage to the bed and door frames.
Keep hands and feet clear of wheels during bed movement.
moving into an elevator or across a threshold) can result in damage to the
bed and injury to persons. The maximum threshold climbing capacity of
the bed and drive system is 2” / 5 cm (with run-up).
level surfaces. If necessary the drive system can transition and climb up
to a 5 degree incline with a patient. Extra care should be taken when
wheels may cause damage to the bed and injury to persons.
NOTE: Remember to plug the Tri-Flex bed into the wall outlet once transport
of the bed is complete.
Operational Instruction
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IMPULSE DRIVE - OPERATION MANUAL 15
Operational Instruction
Weight Indicator or W.I. (if applicable)
If your bed is equipped with a (W. I.), there will be some extra steps to be aware of to insure the
(W. I.) functions properly. The load cells for the (W. I.) are mounted above each of the four casters.
Thus the full weight of the bed and patient must be transferred through the casters. When the bed is
1. Set up the empty bed with the proper linens and accessories. Ensure the bed is in a level position
and bed casters are parrallel to the frame while facing towards the Foot End of the bed.
2. Raise the hi-lo system at least 6” from the lowest position making sure the Impulse-Drive Wheels
are off of the ground.
5. Raise or lower the hi-lo system as needed and place the patient in the bed.
6. Again raise the hi-lo system at least 6” from the lowest position.
7. Again power up the (W. I.). The reading given will be correct for the patient.
NOTE: If this is not done before the patient is placed in the bed the patient will
have to be removed from the bed and these steps will have to be followed in
order to achieve a correct scale reading.
16 IMPULSE DRIVE - OPERATION MANUAL
Cleaning, Disinfection, Storage and Service
Cleaning and Disinfection are two separate procedures.
For sanitary maintenance of the bed, follow the suggested recommendations of the
manufacturer(Burke) and the institution regarding cleaner/disinfectant solutions of choice and appro-
priate concentrations.
Routine cleaning is to be done on a daily basis by wiping the surfaces with a disposable cloth using
warm water and a mild detergent or cleaning solution
then disinfect follow-
ing facility guidelines using disinfectants at their recommended concentrations. Burke recommends a
The bed and components should also be cleaned and disinfected between patients
and before returning to service after a period of storage, per facility guidelines.
All staff performing cleaning/disinfection processes should wear appropriate personal protective
equipment (PPE)
Do not
Do not use any scouring or abrasive cleaners on the bed.
Do not use caustic or corrosive substances or chemical substances which may affect
the structure of the bed, such as acetone.
Do not hose down, use high pressure spray or steam to clean as this may cause
damage to the electronics system and void the warranty.
Always wipe down the areas cleaned with clear water after cleaning or disinfecting
All cleaning solutions must be properly diluted according to the manufacturer’s instructions.
and external compliance.
Allow all surfaces to thoroughly dry, including any electrical components that could have become wet,
before reconnecting power cord.
DISINFECTION INSTRUCTIONS.
Joystick and Charger
The joystick and charger should be included during routine cleaning of the bed. A solution of mild
detergent and warm water is recommended. If disinfection of bed is required, a chlorine solution not
to exceed 10,000 ppm is recommended. Care should be used to avoid “over wetting” joystick and
charger.
!
IMPULSE DRIVE - OPERATION MANUAL 17
Cleaning, Disinfection, Storage and Service
STORAGE OF THE BED
Remove any accessories.
Pack the bed and its accessories or protect them in a manner which will prevent damage.
This equipment is provided with a battery backup. To insure the longevity of this system, we recom-
mend that the bed be plugged into an appropriate wall outlet to keep battery charged when not in use
for extended periods of time.
Store in a clean, dry area with an environment similar to that of the operating environment.
FOLDING THE BED FOR TRANSPORT OR STORAGE
The bed with the drive system will fold and roll around on the transport casters just like a Tri-Flex bed
without a drive system. The drive system cannot be used when the bed is folded.
When folding the bed with a drive system there are some extra things to be aware of. At the base of the
headboard there are two connectors that must be uncoupled before the headboard is removed. Take
care that the connectors are not damaged when the bed is folded.
Be aware that the drive system batteries are located at the foot end of the bed in a
to the weight of the foot end. This will make the foot end of the bed about 150 lbs (68kg)
when you lift fold it.
UNFOLDING THE BED FOR USE
When unfolding the Tri-Flex II with a drive system the foot end will be heavier than normal. Extra
care should be taken when unfolding the bed. Get a good hold, let it down slowly, and use two people
CHARGING THE DRIVE SYSTEM WHEN THE BED IS FOLDED
When the bed is folded it is still possible to charge the batteries for the drive system. Place the
headboard in the pockets on the transport axles just as in normal storage. Use the charger extension
cable supplied with the drive system. Connect the charger plug at the base of the headboard to the
extension cable. Connect the other end of the extension cable to the charger harness plug at the head
This means the charger is charging.
STORAGE OF THE BED WITH DRIVE
This equipment is provided with a back-up battery. To insure the longevity of the battery we recom-
mend that the bed be plugged into an appropriate wall outlet to keep batteries charged when not
in use for extended periods of time. Failure to do so could render the battery system inoperable.
Store in a clean dry area. Dampness may affect electronic components and cause rust.
If the bed looses any function or is damaged in any way stop using the bed
personal injury may result.
!
!
!
!
18 IMPULSE DRIVE - OPERATION MANUAL
Cleaning, Disinfection, Storage and Service
CHANGING THE BATTERIES
The drive system batteries are located in the metal enclosure underneath the foot end of the bed.
Take care to avoid dropping the hardware into the box. Remove the battery hold-down bar.
5. Install the battery hold-down bar. Reconnect the battery cables. Refer to diagram on
lid if needed.
reach full charge)
parts of the equipment which are designated by the manufacturer as repairable. Use only replacement
components which are approved and designated as acceptable by the manufacturer.
USE PERMANENTLY SEALED AGM-TYPE DEEP CYCLE BATTERIES ONLY.
BATTERIES MUST BE MARKED WITH DOT AIR TRANSPORTATION SAFETY
MARKING AND/OR STATEMENT.
!
FUSES
There are no replaceable fuses in the drive system. There is a resettable circuit breaker on one side of
the battery box.
DISPOSAL
The drive batteries and components should be recycled per local, state or national regulations.
INSPECTION AND MAINTENANCE
This bed is designed to have a minimum amount of maintenance through its lifetime.
The recommended frequency of inspection for the drive system is once per month or before each new
In the event of mechanical damage or any issue which may compromise product performance or
patient safety, discontinue use and contact qualied service personnel or distributor immediately.
Battery Information and Chargers
All connect, disconnect and reconnect motions
are a push-in, pull-out connection.
The batteries are (2) 12v sealed lead acid batteries
that require no maintenance.
When replaced, batteries typically require 12 to 16
hours to charge, depending on conditions of use or
storage.
These batteries and charger are part of a CE
is not a life sustaining or life supporting system.
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