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Service Procedures

MRM Carendo

16

SP 11. Replace PCBA and 
fuses

1. Remove the battery 

(Old version PCBA up 

to November 2018)

2. Loosen the three (old model)/ ten (new 

model) screws on the service cover. 

3. Remove the cover and the membrane seal 

(old model) /seal (new model).

4. (From June 2012) Snap off metal cover (

a

using the white plastic tool (

b

)

5.

(Old version PCBA, up to P0519013)

Locate and replace the fuses if needed. Go to 
8 if you will not replace the PCBA.

(New version PCBA, from P0519014):

 

• Push "UP" on the hand control. If not in

lowest position also push the emergency 
lowering button

• If  LED1  (

c

)

 

on PCBA turn ON, it indicates

that fuse F1 or F3 needs to be replaced

• Remove the battery

Go to 8 if you will not replace the PCBA.

6. Disconnect the cables and remove the 

PCBA using the special white plastic tool 
(

b

) (no. 8453102).

7. Insert the new PCBA and connect the 

cables. (see 

Technical Manual 

if necessary

)

8. Reassemble:

Attach metal cover and service cover.

If the membrane seal is difficult to assemble, 
some soap might help (Old model only).

9. Insert the battery.

2

b

a

c

Summary of Contents for CARENDO

Page 1: ...09 CC 01_8EN 01 2019 MAINTENANCE AND REPAIR MANUAL Carendo For internal use only...

Page 2: ...4 Lubrication Sealants Lockings and Torques 24 Tools 30 Trouble shooting 31 NOTE Before using this manual you must have taken part of and understood the Safety Precautions 09 NE 01 Blue text indicate...

Page 3: ...chanical attachments x 4 8 Lubricate bearings x 5 9 Perform a safe working load test x 6 10 Check the safety stop function x 7 11 Check function of emergency lowering x 8 12 Perform full feature funct...

Page 4: ...4 Service procedures not included in PMS Right side Left side SP 13 Replace worm gear motor p 18 SP 14 Replace actuator p 20 SP 12 Replace locking device p 17 SP 15 Replace emergency buttons p 23 SP...

Page 5: ...n a Field Safety Corrective Action Technical Advisory Notices are divided in three classes A Field Safety Corrective Action FSCA Information about what technical interventions to be made in order to r...

Page 6: ...fore test 2 Connect the tester to the battery with suitable connector a 3 Press and hold button b for 1 2 seconds 4 The meter c will show the battery condition 5 Green indication PASS Yellow indicatio...

Page 7: ...ion b Care raiser lubrication of locking pins see page 28 c Leg support and raiser d Seat e Back rest with storage net f Handset and cable g Safety strap h Buttons i Bellows j Castors See page SP 10 I...

Page 8: ...on page 14 f Bellows strap or clamp g Buttons and handset cable h Locking device See also Lubrication Sealants Lockings and Torques on page 24 and Tools on page 30 NOTE Screws and bolts attached with...

Page 9: ...in the slit and gently pulling up and outwards 5 Loosen the two screws c on the lower bearing 6 Be careful about the cable protection d on the right lower bearing 7 You can use the loose screws to pu...

Page 10: ...edures MRM Carendo 10 SP 6 Perform a Safe Working Load Test Applicable load test Model Carendo SWL 136 kg 300 lb Test load 136 kg 300 lb General load test procedure is not ready Please refer to local...

Page 11: ...t using both the handset and the emergency lowering at the same time holding an armrest to stop the motion 2 The lift shall stop 3 If not check cabling a from actuator to PCBA orange green lowering Ye...

Page 12: ...Service Procedures MRM Carendo 12 SP 8 Check Function of Emergency Lowering 1 Press the button 2 Carendo shall lower 3 If not check button cabling to PCBA connection J7 fuse F3 before replacing PCBA...

Page 13: ...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...

Page 14: ...n of brakes if applicable by applying the brakes and push the product forward The brakes must lock the wheels and the brake lever must function on off 7 Apply load to the product approx 80 kg and do a...

Page 15: ...o down 2 Loosen and remove the castor from the chassis 3 Clean the threads in the hole Refer to Loctite instructions 4 Apply Loctite see page 24 for quality 5 Assemble the new castor with new bolt and...

Page 16: ...l not replace the PCBA New version PCBA from P0519014 Push UP on the hand control If not in lowest position also push the emergency lowering button If LED1 c on PCBA turn ON it indicates that fuse F1...

Page 17: ...llen screws d 8 Lift out the complete mounting plate with the locking devices 9 Unscrew the two screws with nuts e on the locking device 10 Replace the locking device 11 When reassembling use new lock...

Page 18: ...krest according to page 17 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 8 Remove the care rai...

Page 19: ...for the worm gear unit To replace only the motor 19 Loosen the two bolts and pull off the motor from the splines Reassembling 1 When reassembling notice the position of the cable 2 Use Loctite accord...

Page 20: ...gs push couplings through hole of bearing 6 Turn the Carendo carefully on the side 7 Cut the top strap loosen the clamp b holding the bellows 8 Loosen the three Allen bolts c and pull out the cable d...

Page 21: ...the actuator pins Old thick bracket illustrated 15 Stretch the cable a from outside 16 Attach the three Allen bolts c use Loctite according to page 24 17 Attach the bellow with a new clamp 18 If new...

Page 22: ...Use Connectors NEW Cable 8451430 coloured cables Old Actuator Use Connection Block Old Cable 8451430 Old Actuator Use Connection Block Old Cable 8451430 NEW Actuator Use Connection Block NEW Actuator...

Page 23: ...hen the cable with connector is loose unscrew the locking ring a for the button turning it counter clockwise Reassembling 4 When reassembling note that the peg in the button and in the connector shall...

Page 24: ...43 on fitting bolts for actuator Loctite 243 on screws for bearing and lift arm Loctite 243 on screws for bearing and lift arm Loctite 243 on screws for bearing Loctite 243 on screws for bracket plate...

Page 25: ...ket plate Torque 8 Nm OKS 403 on bearing chassis frame Loctite 243 on screws locking pins Loctite 2701 on shaft threads Loctite 243 on fitting bolts for actuator Loctite 243 on screws for bearing and...

Page 26: ...ws for segments on Care raiser and seat Loctite 243 on screws for upper tie rod Loctite 243 on screws for bed pan holder Loctite 243 on screws for leg support Old care raiser up to SEE06020104 New car...

Page 27: ...MRM Carendo Lubrication Sealants Lockings and Torques 27 New care raiser replaces old New care raiser uses new knob OKS 403 on bearing chair...

Page 28: ...ld Soap water on o ring Wekem WS 267 on locking pins Loctite 243 on screws for locking pins Service cover up to SEE0347097 Old plate up to SEE0347097 Loctite 243 on plug Loctite 243 on plug Loctite 24...

Page 29: ...43 on screws for locking pins Wekem WS 267 on locking pins New plate from SEE0347098 Service cover from SEE0347098 Loctite 243 on plug Loctite 243 on plug Soap water on o ring OKS403 on 4 screws for l...

Page 30: ...Tools MRM Carendo 30 Tools For specification of tools please refer to the Parts List Service Articles and Special Tools...

Page 31: ...ying PCBA J11 1 2 Electronic fault Check PCBA 11 Seat will not rise Fuse bad Check fuse F1 11 Contacts in wrong position Check contacts on PCBA J7 J9 J10 J11 Bad connection Check hand set and cables P...

Page 32: ...ault Check replace locking device 12 Microswitch fault Check microswitch sitting PCBA J10 1 2 Electronic fault Check PCBA 11 Seat rises but lock for care raiser is not deac tivated Microswitch fault C...

Page 33: ...PCBA 11 Chair will lift lower but makes noises Bad lubrication attachment wear Check bearings chassis lubricate replace 4 Bad attachment wear Check rods attachment 3 Bad lubrication attachment wear C...

Page 34: ...e ergonomic patient handling personal hygiene disinfection diagnostics and the effective prevention of pressure ulcers and venous thromboembolism we help professionals across care environments to cont...

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