Owner’s Operator and Maintenance Manual
1900/1900S Bath Lift
DEALER: This manual MUST be given to
the user of the patient lift.
USER: BEFORE using this patient lift, read
this manual and save for future reference.
For more information regarding Invacare
products, parts, and services, please visit
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TABLE OF CONTENTS
TABLE OF CONTENTS
Operating the Lift.......................................................................................................................................7
Lifting/Transferring.....................................................................................................................................7
Performing Maintenance...........................................................................................................................8
Transferring into/out of the Bathing Unit.............................................................................................9
Raising/Lowering the Bath Lift...............................................................................................................11
Charging the Battery...........................................................................................................................14
Using the Shoulder Strap........................................................................................................................16
Care and Maintenance of Bath Lift.......................................................................................................18
Detecting Wear and Damage................................................................................................................18
Cleaning the Lift........................................................................................................................................18
Adjusting Arm Angle and Tension...................................................................................................19
Calibrate the 1900 Scale.........................................................................................................................22
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SPECIAL NOTES
SPECIAL NOTES
Signal words are used in this manual and apply to hazards or unsafe practices which
could result in personal injury or property damage. Refer to the table below for
definitions of the signal words.
SIGNAL WORD
MEANING
Danger indicates an imminently hazardous situation which, if not avoided, will
result in death or serious injury.
DANGER
Warning indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
WARNING
CAUTION
Caution indicates a potentially hazardous situation which, if not avoided, may
result in property damage or minor injury or both.
NOTICE
THE INFORMATION CONTAINED IN THIS DOCUMENT IS SUBJECT TO
CHANGE WITHOUT NOTICE.
RADIO FREQUENCY INTERFERENCE
Most electronic equipment is influenced by Radio Frequency Interference (RFI).
CAUTION should be exercised with regard to the use of portable communication
equipment in the area around such equipment. If RFI causes erratic behavior, PUSH
the Red Power Switch OFF IMMEDIATELY. DO NOT turn the Power Switch ON
while transmission is in progress.
MAINTENANCE
Maintenance MUST be performed ONLY by qualified personnel.
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TYPICAL PRODUCT PARAMETERS
TYPICAL PRODUCT PARAMETERS
BATH LIFT 1900/1900S
SEAT HEIGHT
MAXIMUM:
MINIMUM:
41 inches (104 cm)
18 inches (45 cm)
SEAT WIDTH
16.5 inches (42 cm)
16 inches (40 cm)
21 inches (53 cm)
5 inches (12 cm)
SEAT DEPTH
BACK HEIGHT
BASE HEIGHT (CLEARANCE):
OVERALL DIMENSIONS
HEIGHT:
LENGTH:
50 - 74 inches (127 - 187 cm)
47 inches (119 cm)
WIDTH:
28.5 inches (72 cm)
CASTER SIZE (FRONT/REAR):
WEIGHT CAPACITY:
WEIGHT:
3 inches / 5 inches (7 cm / 12cm)
350 lbs (158 kg)
200 lbs (90 kg)
SHIPPING WEIGHT:
BATTERY:
245 lbs (111 kg)
24V DC Rechargeable
CHARGER
INPUT:
OUTPUT:
100 - 240 VAC
29.5 VDC
CHARGING TIME:
6 Hours Maximum
AUDIO LOW BATTERY ALARM:
MOTOR SAFETY DEVICES:
Yes
Anti-Entrapment
APPROXIMATE LIFTS PER CHARGE:
WARRANTY (ELECTRIC/ELECTRONICS):
EMERGENCY STOP BUTTON:
100 - 200 Cycles per Charge*
1 Year
Yes
*NOTE: Varies depending upon load and stroke.
6
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SECTION 1—GENERAL GUIDELINES
SECTION 1—GENERAL GUIDELINES
ꢀ WARNING
SECTION 1 - GENERAL GUIDELINES contains important information for the safe
operation and use of this product.
Operating the Lift
Check all parts for shipping damage before using. In case of damage, DO NOT use the
equipment. Contact the dealer or customer service for further instructions.
DO NOT attempt any transfer without approval of the resident’s physician, nurse or
medical assistant. Thoroughly read the instructions in this owner’s manual, observe a
trained team of experts perform the lifting procedures and then perform the entire lift
procedure several times with proper supervision and a capable individual acting as a
resident.
Use common sense in all lifts. Special care MUST be taken with people with disabilities
who cannot fully cooperate while being transferred.
Although Invacare recommends that two assistants be used for all lifting and transferring
procedures, our equipment will permit proper operation by one assistant. The use of one
assistant is based on the evaluation of the health care professional for each individual case.
Make sure there is an audible click when mounting battery on the battery charger to
confirm proper mounting. Otherwise, injury or damage may occur.
DO NOT exceed maximum weight limitation of the lift. The weight limitation for the 1900
and 1900S bath lift is 350 lbs.
ALWAYS keep hands and fingers clear of moving parts to avoid injury.
Lifting/Transferring
Invacare recommends the use of the safety strap and shoulder harness when using the
bath lift. ALWAYS adjust the safety strap and shoulder harness for safety and comfort
before transport.
During transfer, raise the seat so the resident’s feet are suspended from the floor. DO NOT
roll caster base over objects such as carpet, raised carpet bindings, door frames, or any
uneven surfaces or obstacles that would create an imbalance of the lift and could cause
the lift to tip over.
Wheelchair wheel locks MUST be in a locked position before transferring the resident into
the wheelchair for transport.
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SECTION 1—GENERAL GUIDELINES
Performing Maintenance
procedures.
Regular maintenance of lifts and accessories is necessary to assure proper operation.
Casters and axle bolts require inspections every six months to check for tightness, wear,
debris (such as hair and dirt) and that they roll free.
After the first twelve months of operation, inspect all glides, rollers, and fasteners for
wear. If the metal is worn, the parts MUST be replaced. Make this inspection every six
months thereafter.
The electric motor is sealed at the factory and if service is required, the motor unit MUST
be returned to the factory for repair. DO NOT attempt to open the motor or obtain local
service as this will VOID the warranty and may result in damage and a costly repair.
Consult your dealer or Invacare for further information.
Electrical - Grounding Instructions
DO NOT, under any circumstances, cut or remove the round grounding prong from any
plug. Some devices are equipped with three‐prong (grounding) plugs for protection
against possible shock hazards. Where a two‐prong wall receptacle is encountered, it is
the personal responsibility and obligation of the customer to contact a qualified
electrician and have the two‐prong receptacle replaced with a properly grounded three‐
prong wall receptacle in accordance with the National Electrical Code. If you must use an
extension cord, use only a three‐wire extension cord having the same or higher electrical
rating as the device being connected. In addition, Invacare has placed RED/ORANGE
WARNING TAGS on some equipment. DO NOT remove these tags. Carefully read
battery/battery charger information prior to installing, servicing or operating your lift.
Pinch Points
ꢀ WARNING
Pinch points exist at base of lift. Be careful, injury could occur.
Caster
Lift
Base
Pinch
Casters
Points
Caster
8
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SECTION 2—OPERATING THE BATH LIFT
SECTION 2—OPERATING THE
BATH LIFT
ꢀ WARNING
DO NOT attempt any transfer of a resident without approval of the resident's
physician, nurse, or medical assistant. Thoroughly read the instructions in this
owner's manual, observe a trained team of experts performing the lifting
procedures and then perform the entire lift procedure several times with proper
supervision and a capable individual acting as a resident.
Adjustments for safety and comfort should be made before moving the resident.
Lock the rear casters of the bath lift when transferring an individual onto the seat.
Locking the rear casters will stabilize the lift and help prevent it from shifting during
transfer.
Each facility and each resident will require a unique set of instructions and
procedures to follow for each bath. Check with your supervisor and the resident’s
chart for the proper procedures to follow.
Review and practice the operation with able an bodied assistant before attempting
with a resident.
NOTE: Invacare recommends that two assistants be used for all lifting preparation and transferring
to/from procedures; however, the bath lift can be operated with one assistant. The use of one assistant
is based on the evaluation of the health care professional for each individual case.
Transferring into/out of the Bathing Unit
NOTE: To transfer out of the bathing unit, reverse this procedure.
NOTE: In some cases, the resident may need to be weighed. Refer to Using the Scale (Model 1900S
1. Bring the lift into position with the resident.
NOTE: The seat may be lowered to its lowest position for a wheelchair transfer, or to a convenient
height for a bed to wheelchair transfer, etc. Use the transfer methods prescribed by your facility and
the needs of the resident.
2. Lock the two rear locking casters on the lift by pressing down on the locking pedal
with your foot. Refer to FIGURE 2.1.
3. Swing one or both armrests up and
back.
4. Transfer the resident.
5. Slowly bring the arm rests down in
front of the resident.
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SECTION 2—OPERATING THE BATH LIFT
ꢀ WARNING
Follow the facilities procedure for each individual.
Invacare recommends the use of the safety strap and shoulder harness when using
the bath lift. ALWAYS adjust the safety strap and shoulder harness for safety and
comfort before transferring the resident onto the chair.
The safety strap should be used when lifting or transferring. Otherwise, the resident
may fall from the seat.
6. Raise the lift seat by pressing the Up arrow on the hand pendant to ensure the
resident’s feet are off the floor.
7. Unlock the wheels and transfer the resident to the bathing area.
8. Open the door of the bathing unit.
9. Adjust the height of the lift seat so it is slightly higher than the actual seat of the tub.
10. Slowly begin to bring the resident and seat into the open tub (Detail “A”).
NOTE: Approach at an angle roughly 45 degrees to the tub.
11. Place the resident’s feet in the foot well of the tub.
12. Continue guiding the resident and the lift chair into the tub (Detail “B”).
13. Gradually rotate the lift until the support column and push handles are behind and
outside the rear rim of the tub and the resident and lift chair are inside the tub (Detail “C”).
Support Column
Push
Handles
DETAIL “B”- GUIDING
DETAIL “A” - BRINGING
DETAIL “C” - PLACING
14. Once the resident and chair are completely and safely inside the tub, use the hand
pendant to lower the lift chair until it is just above the seat of the tub but not touching.
ꢀ WARNING
Make sure arms and legs are out of the way of the door to avoid pinching either the
resident’s or attendant’s limbs in the door.
CAUTION
Fully Raised
Position
Make sure the locking handle of the tub
is in the fully raised position when the
door is being closed.
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SECTION 2—OPERATING THE BATH LIFT
15. Lock the two rear locking casters on the lift by pressing down on the locking pedal
with your foot. Refer to FIGURE 2.1.
16. Lock the bathing unit door. Refer to the bathing unit’s owner’s manual.
Raising/Lowering the Bath Lift
NOTE: For this procedure, refer to
To raise the bath lift, press the up arrow
button on the hand pendant.
To lower the bath lift, press the down
arrow button on the hand pendant.
Using the Scale (Model 1900S ONLY)
NOTE: For this procedure, refer to FIGURE 2.4.
1. With the seat empty and arms lowered, turn on the scale by touching the “on” button
on the face of the scale.
2. Press the “ZERO” button on the face of the scale.
NOTE: The digital readout shows 0.0.
3. Using the “UNITS” button, select either kilograms or pounds.
4. Transfer the resident on the seat of the lift and lower the arms.
5. Raise the resident.
NOTE: It is only necessary to raise the resident
until his/her feet are off the floor and not
touching the legs of the lift.
6. Press the “LOCK” key
7. Readandrecordtheweight of the resident
on the readout of the scale.
Emergency Stop
RED Emergency Stop Button
Control Box
NOTE: For this procedure, refer to
FIGURE 2.5.
• Press the RED emergency stop button
on the control box to stop the lift seat
and resident from raising or lowering.
• To disengage, rotate the RED
emergency stop button CLOCKWISE
until it pops out.
Press to Stop
Lift Seat
Rotate CLOCKWISE to
Disengage Emergency Stop
11
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SECTION 2—OPERATING THE BATH LIFT
Emergency Lowering
NOTE: For this procedure, refer to FIGURE 2.6.
In the event of a handset or control box failure, the lift can still be lowered by using one
of the three following methods, depending on reason the lift has not lowered:
• If the battery is fine, but pendant is not or control box has failed and the lift needs
to be lowered ‐ Press the tip of a ballpoint pen into the small opening below and to the
right of the stop button on the control box (Detail “A”).
• If the battery has failed and the lift needs to be lowered ‐ Pull down the red tag
located above the battery near the push handle on the actuator column (Detail “B”).
NOTE: Weight or force MUST be exerted upon the seat in order for this procedure to work.
DETAIL “B”
DETAIL “A”
PullDownRedTag
for Emergency
Lowering
Control Box
Actuator
Column
Press Ballpoint Pen Tip Here
for Emergency Lowering
Disinfecting the Lift
NOTE: For this procedure, refer to FIGURE 2.7 on page 13.
ꢀ WARNING
The seat and arms of the lift MUST be disinfected after each use with a bath.
ALWAYS wear protective gloves and eye protection when working concentrated
chemical disinfectants.
1. Prepare a working solution of Invacare disinfectant by doing the following:
A. Mix concentrated disinfectant with water to a dilution ration of half‐an‐ounce of
disinfectant per one gallon of water.
B. Transfer the diluted disinfectant into a labeled spray bottle.
3. Spray both sides of the seat surface, the safety strap, the shoulder strap, and the arm
4. Gently wipe the push handles, scale, hand pendant, and any other surfaces that were
handled during the transport and bathing of the resident with a wash cloth containing
the diluted disinfectant. Refer to Detail “B” of FIGURE 2.7.
5. Let the disinfectant sit for ten minutes.
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SECTION 2—OPERATING THE BATH LIFT
6. After ten minutes, rinse the seat surface, safety strap, shoulder strap, arm rests, and
any other non‐electronic surface with the shower wand of the bath. Refer to the
individual bathing unit’s owner’s manual for using the shower wand.
CAUTION
DO NOT spray the push handles, scale, or hand pendant with water. Sprayed water
may damage the electronic components of the lift.
7. Lightly wipe the push handles, scale, and hand pendant with a damp cloth.
8. Dry all surfaces with a clean towel.
DETAIL “A” - NON ELECTRONIC SURFACES
DETAIL “B” - ELECTRONIC SURFACES
Hand
Pendant
Scale
Arm Rests
Push
Handles
Seat
Surface
Safety Strap
NOTE:Shoulder
Strap not shown.
Base
Mounting the Battery Charger
NOTE: For this procedure, refer to FIGURE 2.8.
NOTE: Refer to your local regulations concerning proper mounting procedures.
1. Place the battery charger with mounting bracket on the wall at the desired position.
2. With a pencil, mark the middle hole position.
3. Measure down 6½ inches from the pencil mark and drill one mounting hole.
4. Install the bottom mounting screw until there is an approximate 1/8‐inch gap between
the screw head and the wall.
5. Install the battery charger with mounting bracket onto the bottom mounting screw.
6. Drill the remaining two mounting holes.
7. Install the two remaining mounting screws through the mounting bracket and into the
wall. Tighten securely.
8. Plug the battery charger into the wall electrical outlet.
NOTE: The On LED should illuminate.
13
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SECTION 2—OPERATING THE BATH LIFT
Battery Charger with
Mounting Bracket
(STEP 5)
Mounting Bracket
(STEP 6)
BOTTOM
Mounting Screw
(STEP 4)
MountingScrews
(STEP 7)
Charging the Battery
NOTE: For this procedure, refer to FIGURE 2.9.
NOTE: Invacare recommends the battery be recharged daily to prolong battery life.
NOTE: An audible alarm will sound (horn will beep) when battery is low.
1. Lift up on the handle on the back of the battery (Detail “A”).
2. Lift the battery up and out from the control box.
NOTE: The battery is
shown being removed
from and installed into a
control box. Removing
and installing a battery
into a battery charger is
done the same way.
Emergency Pull Pin
ꢀ WARNING
Make sure there is an audible click when
mounting battery either on the battery
charger or the control box to confirm
proper mounting. Otherwise, injury or
damage may occur.
DETAIL “A”
3. Place the battery on the battery charger
(Detail “B”).
Handle
NOTE: There will be an audible click.
NOTE: The charge LED will illuminate. When
charging is complete, the charge LED will stop
illuminating.
Battery
Control Box
Battery
DETAIL “B”
NOTE: A battery needing to be fully recharged
will take approximately four hours.
Battery DETAIL “D”
Battery
DETAIL “C”
4. Lift up on the handle on the back of the
battery (Detail “A”).
5. Lift the battery up and out away from
the battery charger.
6. Reinstall the battery onto the control
box of the lift (Detail “B”).
7. Push the battery into the lift housing and
rock slightly until it locks into place
(Detail “C”).
Control
Box
Audible
Click
Control Box
NOTE: There will be an audible click when the
battery locks into place (Detail “D”).
14
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SECTION 2—OPERATING THE BATH LIFT
Removing/Installing the Safety Strap
ꢀ WARNING
DO NOT put the safety strap in the dryer. The high heat will melt the belt’s material.
NOTE: For this procedure, refer to FIGURE 2.10.
NOTE: The safety strap MUST be washed and disinfected after each use.
1. Unbuckle the safety strap by pulling up the hook‐and‐loop strip on the buckle.
2. Pull the hook‐and‐loop strip through the buckle (Detail “A”).
3. Remove the safety strap from the chair.
4. Repeat STEPS 1 to 3 for the other side.
5. Wrap the new safety strap around the lift frame.
6. Insert the hook‐and‐loop strip through the buckle and secure it to the chair frame
(Detail “B”).
7. Repeat STEPS 5 and 6 for the other side.
Chair Frame
Chair Frame
DETAIL “A”
Buckle
Buckle
DETAIL “B”
Hook-and-Loop Strip
Safety Strap
Safety Strap
Hook-and-Loop Strip
Installing/Removing the
Shoulder Strap
Shoulder
Strap
NOTE: For this procedure, refer to
Chair
Hook-
and-Loop
Strip
NOTE: To remove the shoulder strap, reverse
this procedure.
1. Insert the belt through the bracket at
the top of the chair.
2. Loop the hook‐and‐loop strip through
the bracket and secure the strap.
15
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SECTION 2—OPERATING THE BATH LIFT
Using the Shoulder Strap
1. Do one of the following:
• Pass the belt under the right arm pit, across the chest, under the left arm pit and
back behind the head.
Shoulder
Strap
Shoulder
Strap
• Position the center of the belt at the middle of the back and bring the ends under
the arms.
Buckle
Shoulder
Shoulder
Strap
Strap
2. Secure the strap with the buckle.
3. Adjust the strap for comfort and safety.
16
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SECTION 3—MAINTENANCE AND TROUBLESHOOTING
SECTION 3— MAINTENANCE AND
TROUBLESHOOTING
Safety Inspection Checklists
Inspect/Adjust Initially and Monthly
❑ Inspect caster base for missing hardware.
❑ Ensure that the caster base is level and not rocking on casters.
❑ Inspect the casters and axle bolts for tightness.
❑ Inspect casters for smooth swivel and roll.
❑ Ensure that casters are free of debris.
❑ Ensure that the mast is securely assembled to the boom and it raises and lowers
smoothly.
❑ Inspect the inner mast for bends or scraps.
❑ Inspect the arms, hardware and attachment points.
❑ Ensure the arms pivot up and down.
❑ Ensure the arms do not drop when released in an up position.
❑ Inspect the arms are level and/or even.
❑ Inspect the electric actuator assembly for wear or deterioration.
❑ Ensure that the electric actuator assembly operates smoothly and quietly.
❑ Clean the lift whenever necessary. Regular cleaning will reveal loose or worn parts,
enhance smooth operation and extend the life expectancy of the lift.
❑ Inspect all safety strap attachments to ensure proper connection and occupant safety.
❑ Inspect the safety strap for signs of wear. Replace if worn or damaged.
❑ Check that all labels are present and legible. Replace if necessary.
❑ Inspect electrical components for signs of corrosion. Replace if corroded or damaged.
17
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SECTION 3—MAINTENANCE AND TROUBLESHOOTING
Care and Maintenance of Bath Lift
NOTE: Follow the maintenance procedures described in this manual to keep the 1900 and 1900S
lift in continuous service.
The 1900 series lifts are designed to provide a maximum of safe, efficient and satisfactory
service with minimum care and maintenance.
All parts of the 1900 series lifts are made of the best grades of steel, but metal‐to‐metal
contact will wear after considerable use.
There is no adjustment or maintenance of either the casters or wheel locks, other than
cleaning, lubrication and checking axle and swivel bolts for tightness. Remove all debris,
etc. from the wheel and swivel bearings. If any parts are worn, replace these parts
IMMEDIATELY.
Invacare recommends a tightened arm rotation. The arm, when placed in the up position,
should stay in the up position. Refer to Adjusting Arm Angle and Tension on page 19.
If you question the safety of any part of the lift, contact your Dealer IMMEDIATELY and
advise him/her of your problem.
Detecting Wear and Damage
It is important to inspect all stressed parts. Replace any damaged or worn parts
IMMEDIATELY and ensure that the lift is not used until repairs are made.
Cleaning the Lift
ꢀ WARNING
The arms and seat of the lift MUST be cleaned and disinfected after each use with a
1. A soft cloth, dampened with water and a small amount of mild detergent, wipe down
all parts of the lift that are submerged in water from the bath.
NOTE: The lift can be cleaned with non‐abrasive cleaners or disinfectants.
NOTE: Follow the instructions for washing the safety strap that are printed on the strap.
18
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SECTION 3—MAINTENANCE AND TROUBLESHOOTING
Maintenance Procedures
Adjusting Arm Angle and Tension
ꢀ WARNING
The lift arms should be tight and secure when in the up or lifted position. If the lift
arms are not tight, they may fall causing injury to either resident or attendant and
damage to the lift.
NOTE: For this procedure, refer to FIGURE 3.1.
1. Remove the lift shroud by pulling up on it, disengaing the hook‐and‐loop strip that
secures the shroud to the lift frame.
2. Do one or both of the following:
• To adjust the angle ‐ Depending on the angle, either tighen or loosen one of the
four jam nuts that rest on either stopping plate (Detail “A”).
• To adjust the tension ‐ Depending on the tension, either tighten or loosen one of
the four jam nuts controlling arm tension (Detail “B”).
3. Tighten the arm clamp.
NOTE: Tighten the arm until it is secured and stable in a lifted position.
4. Install the lift shroud.
DETAIL “A” - ADJUSTING ARM ANGLE
DETAIL “B” - ADJUSTING ARM TENSION
Arm
Stopping Plates
Jam Nuts
Arm
Jam Nut
19
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SECTION 3—MAINTENANCE AND TROUBLESHOOTING
Inspecting/Tightening the Seat
NOTE: For this procedure, refer to FIGURE 3.2.
NOTE: Make sure the nuts and bolts holding
the seat to the seat mounting bracket and the
bracket to the lift column are tight at all times.
Locknuts
1. Remove the shroud directly behind the
seat by pulling it straight up.
Bracket
2. Use a socket wrench to tighten the nuts
attaching the bracket to the lift column.
Locknuts
3. With a end wrench tighten the nuts
attaching the seat to the bracket.
Inspecting and Adjusting the Lift Column
NOTE: For this procedure, refer to FIGURE 3.3.
NOTE: The six nylon bearings installed in the outer column have been adjusted at the factory
before shipping. They keep the outer column centered around the inner column and provide a
smooth glide up and down. The ends of the bearings can wear with use and should be checked
periodically.Approximatelyeverysixmonths,checktheadjustmentofthebearings(Detail“C”).
1. Remove the outer shroud by removing the two front and four rear mounting screws,
and the self tapping screws holding the two halves of the shroud together (Detail “A”).
2. Raise the lift until about 18” of the inner column are exposed.
3. Rub a light coat of machine oil up and down the inner column until a film of oil is
clinging to all four surfaces.
4. Raise and lower the lift.
5. Check the four surfaces of the inner column to see if there is a noticeable track in the
oil film from the nylon bearings (Detail “B”).
NOTE: If the bearings are making sufficient contact with the inner column, you will see four tracks
in the oil.
6. If there is not a track in the oil film in one or more of the sides of the inner column, that
sidesbearingsneedtobeadjustedINtowardthecolumnbyperformingthefollowing:
A. Using a very large bladed screwdriver or a quarter held firmly with a pair of pliers,
turn the bearing IN just an 1/8th of a turn (Detail “C”).
B. Run the lift up and down again and see if the bearing is now contacting the inner
column enough to make a track in the oil. If not repeat STEP “A ”.
NOTE: When both the left and right sides and the front and back sides of the inner column show
a slight track in the oil film, your bearings are properly adjusted.
NOTE: It is very important that you DO NOT run the bearings in so far as to make the lift bind
going up and down.
7. Wipe the excess oil film and replace the shroud.
20
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SECTION 3—MAINTENANCE AND TROUBLESHOOTING
DETAIL “A”
Mounting
Screws
Mounting
Screws
Outer
Shroud
Back
Front
NOTE: Self‐tapping screws hidden from view.
Bearing
Ends
DETAIL “B”
Inner
Column
Inner
Column
Tracks
DETAIL “C”
Bearing
Ends
Changing the Scale Battery
(Model 1900S ONLY)
NOTE: For this procedure, refer to
Lift
Column
Space
1. Pull the scale from the lift column.
Battery
Door
2. Slide open the battery door on the back
of the scale.
3. Replace the battery.
4. Reverse STEPS 1 and 2.
21
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SECTION 3—MAINTENANCE AND TROUBLESHOOTING
Calibrate the 1900 Scale
NOTE: For this procedure, refer to FIGURE 3.5.
to Transferring into/out of the Bathing Unit on page 9 for further instructions.
2. Turn the scale display power on by pressing the ON/OFF key.
NOTE: The scale display is attached to the side shroud with hook and loop material.
3. If necessary, pull the scale display away from the side shroud.
4. Insert the tip of a paper clip or similar tool into the small hole on the back of the scale
display and press the CAL button.
NOTE: Once the CAL button is pushed, “CAL1” will be seen in the display window.
5. Press the UNITS key. The display reads CAL2.
6. Press the LOCK/UNLOCK key. The display reads UNLD.
7. Press the ZERO key. The display reads LOAD.
8. Put 200 pounds of weight on the seat of the bath lift.
9. Press the ZERO key. The display reads DONE.
10. Remove the weight. Press the LOCK/UNLOCK key.
NOTE: The scale is now in test mode.
11. Press the ZERO key. The display reads 0.00 lb.
NOTE: The scale will now be in normal operation.
BACK VIEW OF SCALE DISPLAY
NOTE: Hook and loop
material not shown.
CAL Button
FRONT VIEW OF SCALE DISPLAY
Display Window
22
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SECTION 3—MAINTENANCE AND TROUBLESHOOTING
Troubleshooting
SYMPTOMS
FAULTS
SOLUTION
Seat and/or upper
column feels loose.
Nylon bushing is loose.
Casters/brakes noisy or Fluff or debris in bearings.
stiff.
Clean the or replace the casters.
Electric actuator fails to Hand-control or actuator con- Check connections.
lift when button is
pressed.
nector loose.
Batteries low.
Charge batteries. Refer to Charging the Battery
RED emergency stop button
pressed IN.
Rotate RED emergency stop button CLOCK-
WISE until it pops out.
Battery not connected prop-
erly to control box.
Reconnect the battery to the control box. Refer
The connecting terminals are
damaged.
Replace the battery pack. Refer to Charging the
Electric actuator in need of ser- Contact your Dealer.
vice or load is too high.
Controller beeps.
Low battery power.
Charge battery.
Unusual noise from
actuator.
Actuator is worn or damaged
or spindle is bent.
Contact Invacare.
Lift arms keep falling.
Jam nuts are loose.
Tighten the jam nuts. Refer to Adjusting Arm
Scale does not work
properly.
Battery failure
Check battery. Replace if necessary
Battery has been
Contact Invacare.
replaced and scale still
does not work properly
NOTE: If problems are not remedied by the suggested means, please contact your dealer or
Invacare.
23
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LIMITED WARRANTY
PLEASE NOTE: THE WARRANTY BELOW HAS BEEN DRAFTED TO COMPLY WITH FEDERAL
LAW APPLICABLE TO PRODUCTS MANUFACTURED AFTER JULY 4, 1975.
This warranty is extended only to the original purchaser/user of our products.
This warranty gives you specific legal rights and you may also have other legal rights which vary from
state to state.
Invacare warrants the products (excluding the 9V battery) manufactured to be free from defects in
materials and workmanship for a period of one year on the lift and the electric components from the
date of purchase. If within such warranty period any such product shall be proven to be defective, such
product shall be repaired or replaced, at Invacare’s option. This warranty does not include any labor or
shipping charges incurred in replacement part installation or repair of any such product. Invacare’s sole
obligation and your exclusive remedy under this warranty shall be limited to such repair and/or
replacement.
For warranty service, please contact the dealer from whom you purchased your Invacare product. In the
event you do not receive satisfactory warranty service, please write directly to Invacare at the address on
the back cover, provide dealer’s name, address, date of purchase, indicate nature of the defect.
Invacare Corporation will issue a serialized return authorization. The defective unit or parts MUST be
returned for warranty inspection using the serial number, when applicable as identification within 30 days
of return authorization date. DO NOT return products to our factory without our prior consent. C.O.D.
shipments will be refused; please prepay shipping charges.
LIMITATIONS AND EXCLUSIONS: THE FOREGOING WARRANTY SHALL NOT APPLY TO
SERIAL NUMBERED PRODUCTS IF THE SERIAL NUMBER HAS BEEN REMOVED OR DEFACED,
PRODUCTS SUBJECTED TO NEGLIGENCE, ACCIDENT, IMPROPER OPERATION,
MAINTENANCE OR STORAGE, PRODUCTS MODIFIED WITHOUT INVACARE’S EXPRESS
WRITTEN CONSENT (INCLUDING, BUT NOT LIMITED TO, MODIFICATION THROUGH THE
USE OF UNAUTHORIZED PARTS OR ATTACHMENTS; PRODUCTS DAMAGED BY REASON OF
REPAIRS MADE TO ANY COMPONENT WITHOUT THE SPECIFIC CONSENT OF INVACARE, OR
TO A PRODUCT DAMAGED BY CIRCUMSTANCES BEYOND INVACARE’S CONTROL, AND
SUCH EVALUATION WILL BE SOLELY DETERMINED BY INVACARE. THE WARRANTY SHALL
NOT APPLY TO PROBLEMS ARISING FROM NORMAL WEAR OR FAILURE TO ADHERE TO THE
INSTRUCTIONS IN THIS MANUAL.
THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ANY OTHER EXPRESS
WARRANTIES. IMPLIED WARRANTIES, IF ANY, INCLUDING THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL NOT EXTEND
BEYOND THE DURATION OF THE EXPRESSED WARRANTY PROVIDED HEREIN AND THE
REMEDY FOR VIOLATIONS OF ANY IMPLIED WARRANTY SHALL BE LIMITED TO REPAIR OR
REPLACEMENT OF THE DEFECTIVE PRODUCT PURSUANT TO THE TERMS CONTAINED
HEREIN. INVACARE SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL OR INCIDENTAL
DAMAGES WHATSOEVER.
SOME STATES DO NOT ALLOW EXCLUSION OR LIMITATION OF INCIDENTAL OR
CONSEQUENTIAL DAMAGE, OR LIMITATION ON HOW LONG AN IMPLIED WARRANTY
LASTS, SO THE ABOVE EXCLUSIONS AND LIMITATIONS MAY NOT APPLY TO YOU.
THIS WARRANTY SHALL BE EXTENDED TO COMPLY WITH STATE OR PROVINCIAL LAWS
AND REQUIREMENTS.
Invacare Continuing
Care Group
USA
Canada
All rights reserved. Trademarks are
identified by the symbols ™ and ®. All
trademarks are owned by or licensed to
Invacare Corporation unless otherwise
noted.
One Invacare Way
Elyria, Ohio USA
44036-2125
994 Hargrieve Rd.
London Ontario
NPE 1G5 Canada
800-668-2337
800-333-6900
© 2008 Invacare Corporation
Part No. 1148113
Rev B - 10/08
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