Huntleigh Healthcare
ARJO Patient Lifting and Transfer Devices
ARJO CARENDO Maintenance and Repair Manual May 2002
Maintenance and Repair Manual
20 Pages
Preview
Page 1
Carendo
Reference Copy Printed 8:25 am, Apr 14, 2005
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Maintenance and Repair Manual For internal use only!
09.CC.01/2GB May 2002
Reference Copy Printed 8:25 am, Apr 14, 2005
NOTE. Check occasionally for Safety new editions. Before using this Manual you must have taken part of and understood the Precautions. Maintenance, page 3 Service Procedures, page 4 Lubrication sealants and lockings, page 13 Torques, page 16 Trouble shooting, page 17
2
Maintenance Reference Copy Printed 8:25 am, Apr 14, 2005
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Maintenance Authorized Service Every 6 months
Action/check
Every 12 months
Every 24 months
Service procedure
Check and lubricate castors
x
1
Lubricate locking pins
x
-
Replace castors
x
-
Check microswitch function
x
-
Check actuator bellow
x
-
Load test
x
7
Perform full feature functionality test
x
-
Check all vital parts for corrosion/damage
x
-
Check mechanical attachments
x
Full feature functionality test Function
Activation
Demands for approval
Castors
-
Easy to roll and to turn Carendo
Reclining of seat
Handcontrol button
Seat is reclining
Reclining of seat + care raiser
Handcontrol button
Seat is reclining, care raiser locked
Raising of seat
Handcontrol button
Seat is raising
Raising of seat +care raiser
Handcontrol button
Seat is raising, care raiser locked
Lift up
Handcontrol button
Chair is raising
Lift down
Handcontrol button
Chair is lowering
Emergency down
Green button
Chair is lowering, no power
Emergency stop
Red button
All functions stop
3
Service procedures
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Service procedures
SP 2 Replace the PCB and the fuses
SP 6 Replace the emergency buttons
SP 3 Replace the locking device SP 4 Replace the worm gear/motor
SP 5 Replace the actuator
SP 1 Castor lubrication and swivel function
4
SP 7 Load test
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SP 1. Castor Lubrication and swivel function
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NOTE! Do not dismantle the castor from the chassis! 1. Lay down the Carendo. 2. Disassemble the castors. Start with the outer cover by using a screw driver or a knife and carefully bend off the cover (A) from the wheel (B). Loosen the screw in the middle of the wheel (C).
B A
C
3. Clean properly. 4. Carefully lubricate movable parts with Super Lube Plus. 5. Re-assemble the castors 6. Tighten the screw firmly 7. Check the function of the castors Swivel Function 1. Lay down the Carendo. 2. Disassemble the castors from the chassis. Pull the castor straight out from the chassis. 3. Clean the shaft (D) and the hole in the castor properly.
D
4. Carefully lubricate with Super Lube Plus. 5. Re-assemble the castor and check the function. NOTE! The straight-steering castor (with the blue pedal) should be mounted on the rear right attachment on the chassis.
5
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SP 2. Replace the PCB and the fuses
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1. Remove the battery. 2. Loosen the three screws on the service cover. 3. Remove the cover and the membrane seal. 4. Locate and replace the fuses if needed. Go to 7 if you will not replace the PCB. 5. Disconnect the cables and remove the PCB using the special white plastic tool (no. 8453102).
2-4
6. Insert the new PCB and connect the cables. (see Technical Manual if necessary) 7. Reassemble. If the membrane seal is difficult to assemble, some soap might help. 8. Insert the battery.
25
6
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SP 3. Replace the locking device
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1. Remove the battery. 2. Loosen the three screws on the service cover. 3. Remove the cover and the membrane seal. 4. Disconnect the cables on the PCB. 5. Remove the locking pins with screws. 6. Remove the four Allen screws. 7. Lift out the complete mounting plate with the locking devices.
2
8. Unscrew the two screws with nuts on the locking device. 9. Replace the locking device. 6
10.When reassembling, use new locking nuts for the locking device and Loctite on the screws for the locking pins (according to page 15).
5
5
11.When tightening the screws for the mounting plate check that the locking pins move freely.
8
12.Cable connections for the PCB can be found in the Technical Manual. 13.Reassemble seal and cover.
7
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SP 4. Replace the worm gear/ motor
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1. Proceed according to SP 5 items 1-4. Note! Remove covers on both sides. 2. Loosen the cables towards the backrest (the cables are numbered).
2
3
3. Loosen the lower rod (Allen screws) on both sides. 4. Loosen two bolts on the bearing on both sides. 4
5. Loosen the service cover on the backrest according to SP 3 item 2-3. 6. Support the backrest from below to prevent it from falling down. 7. Use the loose screws on the bearing to pull out the bearings on both sides.
7
8. Remove the care raiser with leg supports forwards. 9. Bend slightly with a big, wide screwdriver or similar to loosen the seat attachment. Be careful not to damage the plastics!
8
10.Loosen the screws for the leg support 11.Remove the seat. 9
12.Loosen the screws for the upper rod attachment to the motor. 13.Remove the backrest. 14.Lay the backrest down.
10
8
12
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15.Remove the blue button, two screws inside and three screws outside. 15
D D C
B 15.
A= Longest screw B= Second longest screw C= Shortest screw D= Equal length of screws
A 16.Disconnect the motor connections on the PCB. 17.Remove the cover. 18.Loosen the three bolts for the worm gear unit. To replace only the motor: 19.Loosen the two bolts and pull off the motor from the splines. Reassembling:
17-18
1. When reassembling notice the position of the cable.
2. Use Loctite according to page 13.
19
3. Be careful about the cable protection.
9
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SP 5. Replace the actuator
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1. Rise the Carendo partially but not all the way, as the actuator then cannot be removed. 2. Remove the battery 3. Loosen the three screws for the right cover on the inside. 4. Pull off the cover gripping the cover from below, trying to get grip with your fingertips in the slit and gently pulling up- and outwards. 5. Loosen the cables towards the castors (the cables are numbered) 6. Turn the Carendo carefully on the side.
5
7. Cut the top strap holding the bellows. 15
8. Loosen the three Allen bolts and pull out the cable. 9. Pull out the actuator. Watch the two plastic bushings. 10.Loosen the four screws for the bottom cover.
14 14
11.Loosen the two bolts for the actuator. Use a joint coupling for the wrench. 12.Pull out the actuator. Reassembling 13.Attach the new actuator (use Loctite according to page 13).
9
8
14.Push the cable through the hole (use some soap if it is difficult) and position the actuator (do not forget the two plastic bushings on top of the actuator pins. 15.Stretch the cable from outside.
10
16.Attach the three Allen bolts (use Loctite according to page 13). 17.Attach the bellow with a new strap. 18.Cut off the green/yellow longer cable parts (only used to make it easier to pull the cable) 19.Attach the cables according to the picture and connect them. 20.Reassemble the cover and the battery 21.Reassemble the cover.
10
11
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SP 6. Replace the emergency buttons
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1. Proceed according to SP 3; item 1-7. 2. Study a button with cabling to find out the best way to separate the button from the connector using a small screwdriver and lifting the latch at the same time rotating the connector. 3. When the cable with connector is loose, unscrew the locking ring for the button turning it counter-clockwise Reassembling 4. When reassembling note that the peg in the button and in the connector shall be placed crosswise.
3
5. Proceed according to SP 3; item 10-13 NOTE! If you are unable to remove the button according to this procedure, proceed according to SP 4. 2
11
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SP 7. Load test
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Applicable load test: • Model: Carendo • SWL:136 kg (300 lb.) • Test load:136 kg (300 lb.) Load test procedure is not ready. Please await later description.
12
Lubrication, sealants and lockings Reference Copy Printed 8:25 am, Apr 14, 2005
Lubrication, sealants and lockings
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For a more detailed description of lubrication, sealants and lockings please refer to the Technical Service Guide: Tools, Lubrication, Sealants and Lockings.
Chassis and raiser
Loctite 243 on screws for bracket plate Loctite 2701 on screws for bearing
Loctite 243 on screws for bearing and lift arm
Loctite 243 on screws for bearing and lift arm Loctite 2701 on screws for bearing Loctite 2701 on screws for lower tie rod Cassida on bearing chassis-frame
Loctite 243 on fitting bolts for actuator
Loctite 243 2701on on screwsthreads shaft locking pins Super Lube on shaft and inside castors
13
Lubrication, sealants and lockings
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Seat and care raiser
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Loctite 2701 on screws for leg support
Loctite 243 on all screws for segments on Care raiser and seat
Loctite 2701 on screws for upper tie rod Loctite 243 on screws for bed pan holder
14
Loctite 243 on screws for worm gear unit
Soap water on o-ring
Cassida on locking pins
Loctite 243 on screws for locking pins
Loctite 243 on screws for worm gear unit
Lubrication, sealants and lockings Reference Copy
Back rest 8:25 am, Apr 14, 2005
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15
Tools and Torques
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Tools and Torques
For a more detailed description of tools please refer to the Technical Service Guide: Tools, Lubrication, Sealants and Lockings.
Torque 8 Nm on screws for bracket
Torque 15 Nm on screws for bearing
16
Trouble shooting Reference Copy Printed 8:25 am, Apr 14, 2005
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Trouble shooting
Note.Before any further actions are taken: Check that the battery is OK and fully charged. Service procedure
Part
Problem
Cause
Action
Castors
Bad rolling
Bad lubrication/dirt
Lubricate/replace castors
1
Bad swivelling
Bad lubrication/dirt
Lubricate/replace castors
1
Seat will not recline
Fuse bad
Check fuse F1
2
Contacts in wrong position
Check contacts on PCB
PCB J7, J9, J10, J11
Bad connection
Check hand set and cables
PCB J:1
Motor fault
Check worm gear unit; motor
4
Microswitch fault
Check microswitch lying
PCB J11:1,2
Electronic fault
Check PCB
2
Fuse bad
Check fuse F1
2
Contacts in wrong position
Check contacts on PCB
J7, J9, J10, J11
Bad connection
Check hand set and cables
PCB J:1
Motor fault
Check worm gear unit; motor
4
Microswitch fault
Check microswitch sitting
PCB J10:1,2
Electronic fault
Check PCB
2
Bad attachment, wear
Check upper tie rod
-
Bad lubrication/ attachment, wear
Check/replace bearings seat
Bad lubrication/ attachment, wear
Check/replace worm gear unit
Seat
Seat will not rise
Seat will recline/rise but makes noises
17
4
Trouble shooting
Reference Copy Printed 8:25 am, Apr 14, 2005
Check occasionally Service for new editions.
Part
Problem
Cause
Action
Seat + care raiser
Seat reclines, lock for care raiser will not activate
Fuse bad
Check fuse F2
2
Locking pins maladjusted or dirty
Adjust and grease pins
3
Bad connection
Check hand set and cables
Motor fault
Check/replace locking device
3
Microswitch fault
Check microswitch sitting
PCB J10:1,2
Electronic fault
Check PCB
Microswitch fault
Check microswitch sitting
Locking pins maladjusted or dirty
Adjust and grease pins
3
Bad connection
Check cables
-
Motor fault
Check/replace locking device
3
Electronic fault
Check PCB
2
Seat rises but lock for care raiser is not deactivated
18
procedure
PCB J:1
2 PCB J10:1,2
Reference Copy Printed 8:25 am, Apr 14, 2005
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Part
Problem
Cause
Action
Chair
Chair will not lift
Fuse bad
Check/replace fuse F1
Bad connection
Check hand set and cables
PCB J:1
Connection fault
Check connection under right cover
5
Actuator fault
Check/replace actuator
5
Electronic fault
Check/replace PCB
2
Fuse bad
Check/replace fuse F1
2
Bad connection
Check hand set and cables
-
Connection fault
Check connection under right cover
5
Microswitch fault
Check microswitch down
PCB J2:2,3
Actuator fault
Check/replace actuator
5
Electronic fault
Check/replace PCB
2
Bad lubrication/ attachment, wear
Check bearings chassis: lubricate/replace
Bad attachment, wear
Check rods; attachment,
-
Bad lubrication/ attachment, wear
Check bearings actuator: lubricate/ replace
5
Bad attachment
Check yoke attachment
-
Fuse bad
Check/replace fuse F3
2
Malfunction, bad connection
Check/replace button and cables to PCB
6
Microswitch fault
Check microswitch, emergency down
PCB: J2:6,7
Electronic fault
Check/replace PCB
2
Malfunction, bad connection
Check/replace button and cables to PCB
2,6
Electronic fault
Check/replace PCB
2
Chair will not lower
Chair will lift/lower but makes noises
Emer-
Emergency
gency down
down does not work
Emer-
Emergency
gency stop
stop does not work
19
procedure 2
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If your country is not listed here, please contact your local distributor or: Arjo International Sarl, 11 route des trois Cantons, L-8399 Windhof, LUXEMBURG, Tel. +352 26 30 70-1, Fax: +352 26 30 70-60 Arjo products are patented or patent pending. Patent information is available by contacting Arjo Hospital Equipment AB. Our policy is one of continuous development, and we therefore reserve the right to make technical alterations without notice. The content of this publication may not be copied either in whole or in part without the consent of Arjo Hospital Equipment AB.