Mizuho Allegro 6800 User manual

MIZUHOSI 2009 NW0510 Rev. D
ALLEGRO™
MOBILE IMAGING TABLE
OWNER’S MANUAL
Model 800
This manual is written in five
languages in the following order:
• (en) English
• (es) Spanish
• (fr) French
• (de) German
• (it) Italian
MIZUHO OSI
30031 AHERN AVENUE • UNION CITY, CA 94587
Bus: 510-429-1500 • Toll Free: 800-777-4674 Fax: • 510-429-8500
WWW.MIZUHOSI.COM · • NEWHI NEWS.COM · • NEWS INENEWS.COM

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IMPORTANT NOTICES
CAUTION: To ensure safe operation of the equipment, please READ THESE
INSTRUCTIONS COMPLETELY and keep this manual readily available for future
reference.
Carefully observe and comply with all warnings, cautions and instructions placed on the
equipment or described in this manual.
In this manual, the WARNING symbol is intended to alert the user to the presence
of important operation, maintenance, or safety instructions.
PROTECTION AGAINST ELECTRICAL SHOCK HAZARD:
This symbol indicates this eq ipment is an applied part, TYPE B in
accordance with IEC 60601-1 and is generally s itable for applications involving
external or internal contact with the patient, excl ding the heart. The patient
circ it is connected to protective earth and this eq ipment sho ld be connected
only to o tlets with a protective earth gro nd.
This symbol indicates the external st d that is at the same potential as the
eq ipment chassis. If the AC power cable is not connected to an o tlet with a
protective earth gro nd, this external st d sho ld be connected to a protective
earth gro nd.
WARNING:
Proper preoperative and intraoperative proced res m st be followed to prevent
veno s stasis and pooling, press re sore development, ne ropathy, improper
electro-s rgical tiss e gro nding, hypotension and hypothermia.
NOTE: The application techniques outline in these instructions are the manufacturer’s
suggeste techniques. The final isposition of each patient’s care as relate to the use
of this equipment rests with the atten ing physician.
THIS DEVICE IS TO BE USED BY TRAINED PERSONNEL ONLY.

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TABLE OF CONTENTS
1.0 INTRODUCTION................................................................................................................................. 5
1.1 General Description.......................................................................................................................5
1.2 Specification ..................................................................................................................................5
1.2 Specification ..................................................................................................................................
2.0 GLOSSARY OF TERMS..................................................................................................................... 7
2.1 Basic Assumptions Of Patient Orientation On The Tabletop........................................................ 7
3.0 COMPONENT IDENTIFICATION ....................................................................................................... 9
3.1 Table Orientation...........................................................................................................................9
3.2 Model Number And Serial Number ............................................................................................... 9
4.0 BASIC OPERATION......................................................................................................................... 10
4.1 Control Operation ........................................................................................................................10
4.2 Floor Lock....................................................................................................................................10
4.3 Hand Pendant .............................................................................................................................11
4.4 Joystick Control – Interactive Proportional Speed Control™ (IPSC) .......................................... 14
5.0 INSPECTION..................................................................................................................................... 1
5.1 Acceptance And Transfer............................................................................................................ 1
5.2 Inspection And Transfer ............................................................................................................. 1
6.0 FUNCTION CHECK .......................................................................................................................... 17
.1 Function Check ...........................................................................................................................17
7.0 THE ELECTRICAL SYSTEM............................................................................................................ 20
7.1 Description .................................................................................................................................. 20
7.2 On/Off Circuit Breaker Switch ..................................................................................................... 20
7.3 Component Circuit Breakers ....................................................................................................... 20
7.4 Power Cord ................................................................................................................................. 20
7.5 Floor Lock System.......................................................................................................................20
7. Battery Charging .........................................................................................................................21
7.7 Power Supply - AC & DC Operation ........................................................................................... 21
7.8 Battery System ...........................................................................................................................22
8.0 CLEANING........................................................................................................................................ 24
8.1 Cleaning And Disinfecting ........................................................................................................... 24
1. Table exterior ............................................................................................................................... 24
2. Casters .........................................................................................................................................24
4. Table tops.....................................................................................................................................25
8.2 Lubrication...................................................................................................................................25
1. Table exterior ............................................................................................................................... 25
2. Table interior ................................................................................................................................ 25
8.3 Table Storage.............................................................................................................................. 25
9.0 TROUBLESHOOTING...................................................................................................................... 2
9.1 Electrical System.........................................................................................................................2
9.2 Table Functions...........................................................................................................................27
10.0 REMOVAL AND REPLACEMENT OF COMPONENTS .................................................................. 33
10.1 Floor Lock Foot Actuator ...........................................................................................................33
10.2 Floor Lock Pad .......................................................................................................................... 34
10.3 Power Supply Tray .................................................................................................................... 35
10.4 Controller Circuit........................................................................................................................3
10.5 10-Amp Motor Control PCB ......................................................................................................37
10. Stepper Controller Tray ............................................................................................................. 38
10.7 Tilt Sensor Actuator...................................................................................................................40
Left Tilt Cover Removal (The Bell Shaped Housing): .......................................................................41
11.0 TECHNICAL DRAWINGS AND PARTS LISTS ............................................................................... 44
11.1 Electrical Interconnect Diagram, 120 VAC................................................................................ 44
11.2 Electrical Interconnect Diagram, 230 VAC................................................................................ 45
11.3 Top Level Table Assembly Exploded View ............................................................................... 4
11.4 Table Sub Assembly Parts List ................................................................................................. 47
11.5 Table Assembly Exploded View................................................................................................ 48
11. Base Cover Assembly Exploded View ...................................................................................... 49
11.7 Base Assembly Exploded View................................................................................................. 50
11.8 X-Ring Assembly Exploded View.............................................................................................. 51

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11.9 Y-Ring Assembly Exploded View.............................................................................................. 52
11.10 Y-Ring Assembly Bottom View ............................................................................................... 52
11.11 X - Y Coupler Assembly Exploded View ................................................................................. 53
11.12 X - Y Coupler Assembly Bottom View..................................................................................... 54
11.13 Replacement/Spare Parts List ................................................................................................55
12.0 Miz ho OSI CUSTOMER RESOURCE GROUP ............................................................................. 5
12.1 Contact For Parts And Service.................................................................................................. 5
12.2 Instant Support Value Package................................................................................................. 5
12.3 To Order Replacement Parts (RP)............................................................................................ 5
12.4 Returns To Mizuho OSI (RGA) .................................................................................................5
12.5 To Send A Part For Repair (RA) ............................................................................................... 57
12. EC Authorized Representative..................................................................................................57
13.0 Miz ho OSI ALLEGRO™ 6800 OPTIONAL ACCESSORIES ........................................................ 58

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1.0 INTRODUCTION
1.1 General Description
The Allegro™ 800 Mobile Imaging Table is designed to safely hold a patient in the
proper position undergoing radiographic or surgical procedures.
It is a stand-alone, single-pedestal AC power or battery-operated table designed to
position a patient in a prone, lateral or supine position during radiographic or surgical
procedures.
The table has a 2” (5 cm) MIZUHO OSI
®
Tempur-Pedic
®
pad. The TEMPUR
®
used in
the manufacture of MIZUHO OSI
®
pads has viscoelastic properties and is a temperature
sensitive material, becoming softer where the patient’s body is making the most contact
with the surface and remaining firm in areas where less body contact is being made.
Pressure is distributed evenly over the entire surface area. The pad is radiolucent, MR
safe and latex free. The benefits of using MIZUHO OSI
®
Tempur-Pedic
®
are improved
pressure management, reduced shear forces and enhanced patient comfort.
The table has four primary electrically powered functions; up/down, left/right lateral roll
(tilt), trendelenburg/reverse trendelenburg and X-Y translation. These motions are
performed by electromechanical actuators and electric stepper motors.
The table is controlled by means of a low voltage hand pendant which has the functions
clearly labeled. In addition to the hand pendant, a joystick controls the X-Y translations
of the table top. Positive floor locks are employed to stabilize the table in the operating
location.
Fig
re 1
:
Allegro™ 800 Mobile Imaging
Pedestal
end
Cantilever
end

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1.2 Specification
• Maximum patient weight 450 lbs (205 kg)
• Height range of table top 30 – 40 inches (7 - 102 cm)
• Trendelenburg range 15°
• Reverse trendelenburg 15°
range
• Powered lateral roll ±20°
• Longitudinal travel 21 inches (53 cm) at speed of 2 to 4 inches
(5 cm – 10 cm) per second
• Lateral travel 10 inches (25 cm) at speed of 2 inches (5 cm)
per second
• Table top length 8 inches (218 cm)
• Width 21 inches (53 cm)
• Duty cycle 10%
• Battery life 5 hours at 10% duty cycle
• Maximum deflection <1 inches (2.5 cm) at cantilever end
• Radiolucent equivalency <1 mm of aluminum
• Class B medical device
• Power input (configurable)
o 120 VAC at 0 Hz
o 230 VAC at 50 Hz
o internal battery power
• IPX-0 rating

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2.0 GLOSSARY OF TERMS
NOTE: The following terms are use throughout this owners manual. A thorough
un erstan ing of these terms is necessary to properly operate this table.
2.1 Basic Ass mptions Of Patient Orientation On The Tabletop
Our glossary of terms and technical procedures assume the patient is oriented with their
head at the front of table and their feet at the rear of table as described below. The hand
control functions are oriented for this position only.
PEDESTAL END, or rear of table, indicates the power cord end of the table, where the
control panel is located.
CANTILEVER END, or front of table indicates the opposite end of the rear of the table
or, the column pedestal.
PEDESTAL, refers to the main column structure that supports the tabletop.
Left side, of the table refers to the left side of the table as you stand by the pedestal end
and look down the table. This also corresponds to the hand pendent button labeled
LEFT LATERAL ROLL.
Right side, of the table refers to the right side of the table as you stand by the pedestal
end and look down the table. This also corresponds to the hand pendant button labeled
RIGHT LATERAL ROLL.
Raise the table, refers to raising the height of the table. This also corresponds to the
hand pendant button labeled HEIGHT UP.
Lower the table, refers to lowering the height of the table down toward the floor. This
also corresponds to the hand pendant button labeled HEIGHT DOWN.
Reverse trendelenburg, refers to moving the cantilever end of the table up. The
corresponding hand pendant button is labeled REV. TREN.
Trendelenburg, refers to moving the cantilever end of the table down. The
corresponding hand pendant button is labeled TREN.
Return to level, or level the table, refers to returning the tabletop to a state level
regardless of height. The corresponding hand pendant button is labeled return to level.
Holding the RETURN TO LEVEL button longer than approximately three seconds will
lower the tabletop to its lowest position.
Top home, refers to returning the table top to its home position after longitudinal or
lateral travel. The corresponding hand pendant button is labeled TOP HOME. The
tabletop in the home position is centered over the pedestal pads in its side to side travel
and to its extent of travel toward the pedestal end in its longitudinal travel
Unlock the floor locks, raise the floor locks, turn off the floor locks, refers to allowing the
table to freely roll on its wheels once the floor lock feet next to the wheels, raise off the

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floor. The floor locks, when down, prevent the table from moving on its wheels. The
corresponding hand pendant buttons labeled FLOOR LOCK.
Control panel, is a panel of buttons and lights located on the pedestal end of the table.
Floor locks and tabletop home can be controlled by depressing the corresponding
button labeled UP TO UNLOCK, DOWN TO LOCK or TABLE TOP HOME.
Hospital grade outlet, refers to a 120VAC outlet properly wired with earth ground.
Generally this is: neutral to common = 120VAC; neutral to ground = 120VAC; common
to ground less than zero point five (0.5)VAC, and will be marked with a green dot.

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3.0 COMPONENT IDENTIFICATION
3.1 Table Orientation
The major components of the Allegro™ 800 and control panel are shown in figure 2.
The patient’s head can be located at either end of the table, depending on the
procedure. Therefore, the table is described as having a pedestal end and a cantilever
end. The on/off switch, floor lock buttons and the power cord socket are located at the
pedestal end of the table.
3.2 Model N mber And Serial N mber
The model number and serial number are printed on the identification label on the
pedestal end of the base.
Fig re 4: On/ Off switch, serial number/model number/identification label
Component
circuit breakers
Power cord
socket Model No /
Serial No label
Hand pendant
can be hung here
Fig re 3:
Component identification
of the control panel
Fig re 2:
Component identification of
the pedestal end interface
Floor lock
indicator lights
Hand pendant
can be hung here
On/off
switch

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4.0 BASIC OPERATION
4.1 Control Operation
For se with line power:
Plug the power cord into a properly grounded receptacle. Refer to the label at the
pedestal end of the base for input voltage requirements (see figure 4). Turn on the
power switch and observe the green light in the switch indicating that power is applied
to the table. This rocker switch is a combination on/off power switch, circuit breaker and
pilot light.
WARNING:
Ens re that the battery has been properly charged as o tlined in section 7.0.
T rn on the power switch. The battery stat s LED on the hand pendant sho ld be
green, indicating a charged battery. The expected working life of a f lly charged
battery is approximately 5 ho rs at 10% d ty cycle. While in storage, it is
desirable that the table be pl gged in and the power switch t rned on so that the
batteries remain charged. If this is not possible, the batteries m st be charged
for at least three ho rs a week. This can be accomplished when sing the table
nder line power.
This symbol indicates the external st d that is at the same potential as the
eq ipment chassis. If the AC power cable is not connected to an o tlet with a
protective earth gro nd, this external st d sho ld be connected to a protective
earth gro nd.
4.2 Floor Lock
To operate the floor locks via the hand pendant, press and hold the FLOOR LOCK
button until the floor lock is completely deployed. The green indicator light marked
LOCKED WHEN LIT on the control panel and the FLOOR LOCK ON LED located on
the hand pendant will be illuminated when it is locked. To stow the floor locks via the
hand pendant, press and hold the FLOOR UNLOCK button until the floor lock is
completely retracted. The amber indicator light marked STOWED WHEN LIT on the
control panel and the FLOOR LOCK, STOWED LED located on the hand pendant will
be illuminated when they are stowed.
The floor locks can also be operated by the floor lock buttons on the sheet metal
housing of the pedestal as follows. Press the button labeled DOWN TO LOCK, and
hold it until the floor lock is completely deployed. The green indicator light marked
LOCKED WHEN LIT on the control panel (see figure 3) and the FLOOR LOCK ON LED
located on the hand pendant (see figure ) will be illuminated when it is locked. To
release the floor lock, press the button labeled UP TO UNLOCK and hold it until the
floor lock is completely retracted. The amber indicator light marked STOWED WHEN
LIT on the control panel and the FLOOR LOCK STOWED LED on the hand pendant will
be illuminated when it is stowed.

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NOTE: The table will not function until the floor locks are completely eploye .
Floor lock override b tton:
If floor lock systems fails during table use, press and hold the FLOOR LOCK
OVERRIDE button while simultaneously operating the desired hand pendant function.
When button is released, no functions will be operable and this button must be pressed
again if subsequent table movement is required.
NOTE: This OVERRIDE button only powers the height, tren elenburg an lateral roll
functions via the han pen ant an is inten e for emergency situations only.
To restore floor lock system f nction:
• Verify power cord is plugged into a live power outlet supplying proper voltage and
the power switch is ON and illuminated
• Verify all four floor locks are completely engaged and control panel, green
LOCKED WHEN LIT light illuminates and the FLOOR LOCK ON LED on the
hand pendant is illuminated. The table should not move on its wheels when the
floor locks are engaged.
To man ally disengage floor lock for table relocation:
a. Use floor lock crank handle (see Replacement / Spare Parts List) stowed on sheet
metal housing behind control panel for each floor lock.
b. Remove floor lock access hole-plug and insert crank handle to engage floor lock
shaft.
• For floor lock nearest grounding stud/power cord, turn crank handle clockwise to
raise floor lock.
• For all other floor locks, turn crank handle counter-clockwise to raise floor lock.
4.3 Hand Pendant
WARNING:
A hand pendant can be plugged in at the pedestal end (back) or the cantilever end
(front) of the base, or both locations with two hand pendants. If a hand pendant is
removed or added while the table is operational, the table must be shut down for 30
seconds. When turned on, the floor locks must be reengaged. It is best only to plug or
unplug hand pendants when power is turned off.
The table is controlled by means of a low voltage hand pendant which has the functions
clearly labeled (see figure ). The hand pendant should be plugged into the receptacle
labeled “hand pendant” on either the back or the front of pedestal. The hand pendant is
intended to be hung on the side rail independently, placed either with the swivel mount
or without. The swivel mount allows the hand pendant to be mounted horizontally on
the table. The hand pendant clip slides in the top of the swivel mount and the swivel
mount slides on the side rail or auxiliary clamp.

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Height:
To adjust the height of the table press and hold the appropriate HEIGHT UP or HEIGHT
DOWN button until the desired height is achieved.
Lateral roll:
To adjust the lateral roll press and hold the appropriate LATERAL ROLL button. Note
that when lateral roll is within +/- 2° of level the green level indicator will illuminate.
Trendelenb rg / reverse trendelenb rg:
To adjust the trendelenburg position of the table, press and hold the appropriate TREN
or REV.TREN button. Note that when trendelenburg tilt is within +/- 2° of level the
green level indicator will illuminate.
Table top translation:
The hand pendant is equipped with TOP FORWARD, TOP AFT, TOP LEFT and TOP
RIGHT translation button. When one of the translation buttons is depressed the table
top will translate in the given direction at constant speed.
NOTE: The table can also be translate at variable spee s using the joystick (see
section 4.4).
WARNING:
Battery stat s: The hand pendant is eq ipped with a two color battery stat s
LED. If the indicator is green, the battery is charged and the table is ready for
se. If the indicator is red, the battery m st be charged for a minim m of 3 ho rs
(see section 7.0 for complete Battery Charging instr ctions).
NOTE: The table can be use on line power if the battery is not fully charge .

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The hand pendant is equipped with a TOP HOME button and a RETURN TO LEVEL
button. The TOP HOME button is used to return the table top to it’s X-Y home position.
The RETURN TO LEVEL button returns all functions to a preset level position. The top
home and the return to level buttons must be depressed and held continuously until the
function is complete.
Ret rn to level:
Press and hold the RETURN TO LEVEL button, this will 1) level lateral roll, 2) level the
trendelenburg and 3) bring the table to its lowest height position. A delay of 3 seconds
is programmed after the trendelenburg function before the table returns to its lowest
height position. The button must be depressed and held continuously for the function to
complete.
Fig re
5:
Hand pendant in
the swivel mount
Fig re 6: Hand pendant function buttons
FLOOR LOCK
TOP HOME
FLOOR UNLOCK
RETURN TO LEVEL
TOP LEFT
TOP RIGHT
TOP FORWARD
TOP AFT
LEFT LATERAL ROLL
RIGHT LATERAL ROLL
REVERSE TRENDELENBURG
TRENDELENBURG
HEIGHT UP
HEIGHT DOWN
FLOOR LOCK - ON
FLOOR LOCK - STOWED
BATTERY STATUS
Green = OK
Red = CHARGE
TRENDELENBURG - LEVEL
LATERAL ROLL LEVEL

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The controller considers the table to be level if it is within +/- 2° of 0° level. If the
RETURN TO LEVEL button is pressed while the table is within this range, it will not
move. If it is required to adjust the table to a position closer to 0°, simply press the
appropriate function button on the hand pendant until the desired position is achieved.
Top home:
The X-Y home position of the table top can be achieved by pressing the TABLE TOP
HOME button located on the control panel of the pedestal or the TOP HOME button on
the hand pendant. This position is defined as the table top being centered in its side to
side travel and to its extent of travel toward the pedestal end in its longitudinal travel.
4.4 Joystick Control – Interactive Proportional Speed Control™ (IPSC)
The lateral and longitudinal translation movement of the table is controlled by a joystick
control mounted on the side rail or auxiliary clamp on either side of the table top. The
Allegro™ 800 has 2 speed ranges of operation for longitudinal travel. Lateral travel is
always performed at the normal speed setting. An illuminated green light on the top of
the joystick control indicates which speed is engaged. A speed button on the top of the
joystick control can be pressed once to switch between speeds. It should be noted that
the joystick provides Interactive Proportional Speed Control™ (IPSC). This means that
the Allegro™ 800 travel speed will increase from stop to full speed within the selected
range in proportion to how far the joystick is pushed.
Fig re 7: Joystick control
To use the joystick control slide it onto the side rail or auxiliary clamp and plug it into the
receptacle labeled joystick on either end of the pedestal of the Allegro™ 800. The
locking lever of the joystick control must always be rotated toward the pedestal end of
the table to lock it to the side rail or auxiliary clamp. Correct orientation of this lever
insures that the direction of travel of the Allegro™ 800 will be consistent with the
direction of the joystick movement.
WARNING:
Fail re to engage the joystick locking lever in the proper direction will res lt in
travel in the direction opposite of the joystick motion.
Activation
button
Joystick
Speed selection
button
Locking
lever
Normal/high speed
indicator lights

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The joystick control includes an activation button (red button) that must be depressed to
activate the joystick. This feature prevents unintended motion of the Allegro™ 800 if
the joystick is inadvertently pushed.
To translate the Allegro™ 800, press and hold down the JOYSTICK ACTIVATION
button and then push the joystick in the intended direction of travel. Release the
joystick when the desired position is achieved. The table will move at a speed that is
proportional to the position of the joystick from the starting center position. Pushing the
joystick further from center moves the table faster in that direction. Releasing the
joystick activation button stops the table in any position.
NOTE: Although the Allegro™ 6800 is esigne to travel laterally an longitu inally at
any tilt or tren elenburg angle, it is recommen e not to translate the table at high
spee un er full loa (i.e. 450 lb. patient) when it is at extreme tilt or tren elenburg
angles.
NOTE: If the joystick is move off center before the joystick activation button is presse
the table will start moving at that spee proportional to the position of the joystick. This
can result in su en jerky or rapi movement of the table top. Therefore, o not move
the joystick off of center before pressing the joystick activation button.
Fig re 8: Patient supine with head toward pedestal end

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5.0 INSPECTION
5.1 Acceptance And Transfer
Upon receipt of your Allegro™ 800 Mobile Imaging Table, remove the table from the
shipping crate following the unpacking instructions. Visually inspect all surfaces for
freight damage. Check each caster for proper rolling operation.
NOTE: Any freight amage must be reporte to the freight carrier imme iately upon
elivery. It is the responsibility of the recipient to make freight amage claims.
• Verify receipt of the completeness and test report provided with each Allegro™
800.
• Read the model/serial number identification label found at the pedestal end of the
base (see figure 4) to confirm the serial number and the input power requirements.
• Place the Allegro™ 800 in an area with at least 4 feet of clearance on all sides.
• Perform Function Check; see section .0.
Pre-proced re/post-proced re and ann ally perform f nctional checks:
• Inspect and test the table as described in Function Check section .0.
• Thoroughly clean the table as described in the Cleaning section of this manual. Pay
special attention to the cleanliness of the controls, as excessive soil can affect
function.
• Inspect the power cord for cuts in the insulation or damage to the connector.
• Check to see that all fasteners are tight.
• Check the operation and security of the floor lock with and without a patient load in
place.
5.2 Inspection And Transfer
Before use, inspect the device for possible damage, excessive wear or non-functioning
parts. Carefully inspect all critical, inaccessible areas, joints, electrical cords and all
movable parts for possible damage or non-function.
Damaged or defective products should not be used or processed. Contact your local
Mizuho OSI sales representative for repair or replacement.

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6.0 FUNCTION CHECK
Perform all steps in this procedure. If you have any questions please feel free to contact
Mizuho OSI Customer Resource Group at 800-777-4 74, 7AM to 5PM PST. For a
complete definition of reference terms used in this procedure, please refer to the
Glossary of Terms (Section 2) this owners manual.
6.1 F nction Check
1. Plug a hand pendant into the desired location.
NOTE: A han pen ant can be plugge in at the pe estal en (back) or the cantilever
en (front) of the base, or both locations with two han pen ants. If a han pen ant is
remove or a e while the table is operational, the table must be shut own for 30
secon s. When turne back on, the floor locks must be reengage .
2. Plug in and tighten the connector for the joystick into the receptacle labeled
JOYSTICK at either end of the pedestal.
3. Attach and correctly orient the locking lever on the joystick. This lever must always
lock in place toward the pedestal end of the table. Correct orientation of this lever
ensures the direction of travel of the Allegro™ 800 will be consistent with the
direction of the joystick movement.
4. If the table is to be used under battery power, ensure that the battery has been
properly charged and that the battery status LED on the hand pendant is green
when the on/off power switch is on.
5. If the table is to be used under line power, plug in power cord into an appropriate
hospital grade outlet and turn on the main ON/OFF power switch. Note that the
switch illuminates indicating that AC power is on.
. Lockout mode: The Allegro™ 800 is only operational if the LOCKED WHEN LIT
green indicator located on the control panel is illuminated and the FLOOR LOCK ON
LED is illuminated on the hand pendant. Verify that the hand pendant functions do
not operate except to activate floor locks.
7. Floor lock check using the control panel:
7.1. Press and hold DOWN TO LOCK button until green locked when lit indicator
is illuminated on the control panel and that the FLOOR LOCK ON LED on the
hand pendant is illuminated. Table is locked if it cannot be moved on its
wheels.
7.2. Press and hold UP TO UNLOCK button until amber indicator is illuminated on
the control panel and the FLOOR LOCK STOWED indicator is illuminated on
the hand pendant. The table is unlocked if it can move on its wheels.

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8. Floor lock override button check:
8.1. With floor locks not engaged, press and hold floor lock override button located
under control panel. While holding the floor lock override button, operate the
HEIGHT UP, HEIGHT DOWN, LEFT LATERAL ROLL, RIGHT LATERAL
ROLL, TRENDELENBURG/REVERSE TRENDELENBURG. These should
function without the floor locks being engaged while holding the override
button (see figure 10).
9. Joystick control:
9.1. Move the joystick without pressing the activation button. No movement should
occur.
9.2. Verify Interactive Proportional Speed Control™ (IPSC), variable speed
operation. Press and hold activation button and move joystick. The tabletop
moves in the direction of handle. Small handle movements away from center
result in slow speeds while larger movements result in faster tabletop speeds.
9.3. Press the speed select button, illuminating the high speed indicator light and
deactivating the normal indicator light. Tabletop can move at twice the normal
speed in the long direction.
9.4. Relocate joystick control to other side of table and repeat steps 9.1-9.3 (see
step 3 for more information).
10. Hand pendant check:
10.1. Press and hold FLOOR LOCK button. Listen for locking feet to move down
and contact the floor. Observe on the control panel LOCKED WHEN LIT
green indicator is illuminated and that the FLOOR LOCK ON LED indicator is
illuminated on the hand pendant after floor locks engaged. Observe that all
four feet have moved down and are in contact with the floor.
10.2. Press and hold FLOOR UNLOCK button. Observe that all four locking feet
move up and STOWED WHEN LIT amber indicator is illuminated on the
control panel and that the FLOOR LOCKS STOWED LED is illuminated on
the hand pendant.
10.3. Press and hold HEIGHT UP button. Observe that the tabletop moves up.
10.4. Press and hold HEIGHT DOWN button. Observe that the tabletop moves
down. Complete range.
10.5. Press and hold REV.TREN button. Cantilever end of tabletop moves up.
Complete range.
10. . Press and hold TREN button. Cantilever of tabletop moves down. Complete
range.
10.7. Press and hold LEFT LATERAL ROLL button. Tabletop tilts to the left.
Complete range.
10.8. Press and hold RIGHT LATERAL ROLL button. Tilt tabletop to the right.
Complete range.
10.9. Press and hold TOP FORWARD button. Tabletop translates forward. Full
distance.
10.10. Press and hold TOP AFT button. Tabletop translates aft. Full distance.
10.11. Press and hold TOP RIGHT button. Tabletop translates right. Full distance.
10.12. Press and hold TOP LEFT button. Tabletop translates left. Full distance.

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10.13. Disorient tabletop by raising height approximately two inches, lateral roll
tabletop and performing trendelenburg approximately five degrees. Press and
hold RETURN TO LEVEL button. Tabletop first levels roll and trendelenburg
and then after a three-second delay, the tabletop moves down. Observe that
the table top is level and in its lowest height position when movement stops.
10.14. Use the joystick and move tabletop, forward and laterally. Press and hold
TOP HOME button on hand pendant. Tabletop moves to center and furthest
position toward the pedestal end. Perform this same step but use the TABLE
TOP HOME button on the control panel.
11. Verify the full function of the table system by moving and connecting hand pendant
and joystick to alternate ports. Power should be shut down when changing ports on
joystick or hand pendant (see section .1 Note).

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7.0 THE ELECTRICAL SYSTEM
7.1 Description
The electrical system provides control of all the table functions and is comprised of a
power cord, an on/off circuit breaker switch, wire harnesses, a power supply, a
controller circuit, a hand pendant, a joystick control, floor lock jackscrews, various
electromechanical actuators, two stepper motors and two batteries. The electric motor
driven leadscrew-type actuators manipulating the height, lateral roll and trendelenburg
functions are controlled by the hand pendant. The floor lock buttons raise and lower the
table floor lock feet to the floor. The translation motion of the table top is controlled by
the joystick control and the hand pendant and driven by the stepper motors. Drawing
number 800-1003 is the Electrical Wiring Diagram for the Allegro™ 800 Imaging
Table. The input power requirement for this table is 120 VAC 0Hz, 5 Amp or 230 VAC
50Hz 2.5 Amps as indicated on the serial number label. Drawing number 800-1004 is
the Electrical Wiring Diagram for the 230 volt model 800 Imaging Table.
7.2 On/Off Circ it Breaker Switch
An illuminated on/off circuit breaker main switch is located on the back of the pedestal
end of the base of the table (see figure 4). When illuminated, it indicates that the table
is plugged into a live electrical outlet and the power is on, (when the table is turned on
using battery power, this switch will not illuminate). This switch also serves as a circuit
breaker. In the event of an overload condition this switch will trip off. To reset, push to
the off position and then the on position.
NOTE: Determine the source of the overloa prior to resetting this switch.
7.3 Component Circ it Breakers
The electrical system includes three individual component circuit breakers that provide
protection for the major components of the system. These circuit breakers are located
in the base at the pedestal end of the table (see figure 4). If a short circuit occurs, the
affected circuit breaker will trip as evidenced by a button protruding from the circuit
breaker access hole. To reset, press the button in and release.
NOTE: Determine the source of the overloa prior to resetting this button.
7.4 Power Cord
The table is equipped with a standard IEC power cord with the appropriate hospital
grade connector. The power cord is connected to the table at the IEC power entry
socket located on the base of the pedestal near the on/off switch.
7.5 Floor Lock System
The Allegro™ 800 Mobile Imaging Table floor lock secures the table by powering 4
jackscrews to lower four legs onto the floor and unloading the swivel casters. It is
operated by depressing the DOWN TO LOCK button located on the control panel or the
FLOOR LOCK button on the hand pendant. The lock button is pressed and held until
the floor lock is completely engaged as evidenced by the illumination of the floor lock