Arjo CARENDO Operating instructions
09.CC.01_8EN • 01/2019
MAINTENANCE AND REPAIR MANUAL
Carendo
For internal use only!
MRM Carendo
2
Index
Service Procedures....................................................................... 4
Lubrication, Sealants, Lockings and Torques...........................24
Tools ............................................................................................ 30
Trouble shooting......................................................................... 31
NOTE
Before using this manual you must have taken part of andunderstood the Safety Precautions
09.NE.01.Blue text indicates changes compared to previous manual.
MRM Carendo Service Procedures
3
Service Procedures
Preventive Maintenance Schedule
Caregiver obligations
PMS Carendo
Action/check Every
day Every
week Every
6 months Every
2:d year
Cleaning/Disinfection x
Visually check safety strap x
Visually check all exposed parts x
Visually check mechanical attachments x
Check handset and cable x
Check/clean castors x
Check cushions/pillows x
Visually check battery charger and battery x
Lubricate locking pins x
Replace safety belt x
Qualified personnel actions
PMS Carendo
Action/check Every
year Every
2:nd year Service
procedure Page
Check that the latest updates have been
implemented x 1 5
Check battery x26
Check all vital parts for corrosion/damage x 3 7
Check mechanical 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 functionality test x 9 13
Inspect castors x10 14
NOTE
All caregiver obligations according to Instructions for Use (IFU) are to be checked when
performing the Qualified personnel Service
WARNING
The points on this checklist are the minimumthe manufacturer recommends. In some cases
due to heavy use of the product and exposure to aggressive environment, more frequent
inspections should be carried out. Continuing to use this product without conducting regular
inspections or continuing to use this product when a fault is found will seriously compromise
the user and residents safety. Local regulations and standards may be higher than the
manufacturers. Preventive maintenance specified in this manual can prevent accidents.
Service Procedures MRM Carendo
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 11 Replace
PCBA and
fuses p.16
MRM Carendo Service Procedures
5
SP 1. Check that the Latest
Updates have been
Implemented
Check if there are any Field Safety Notices or
Technical Advisory Notices (FSN:s and
TAN:s) that have been published since the last
service.
Field Safety Notice: information notice
informing of what actions must be taken in a
Field Safety Corrective Action.
Technical Advisory Notices are divided in
three classes:
•A:FieldSafetyCorrectiveAction (FSCA)
Information about what technical
interventions to be made in order to remedy
safety related issues described by the Field
Safety Notice (FSN)
•B: Information about non-safety related
changes
•C: Information about administrative issues
The check must be done to keep the product up
to date according to safety and product im-
provements.
Example of a published Technical Advisory
Notice C
Service Procedures MRM Carendo
6
SP 2. Check battery
Check the battery
The battery condition tester will load the
battery with a high current for a short time and
this will show the battery condition on a meter.
The battery power tester will load the battery
with up to 10 A depending on battery
condition.
Battery test
1. The battery to be tested must be charged for
at least 12 hours before 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 indication= PASS
Red indication = FAIL
6. If the battery is OK, put the tested battery
back in the charger after the test. If not
replace the battery.
Battery condition tester
b
a
c
WARNING
• The battery power tester will become
hot and there is a potential risk of fire.
• Make sure the battery power tester is
kept away from inflammable material
during tests and for several minutes
following the test.
c
MRM Carendo Service Procedures
7
SP 3. Check all vital parts for
corrosion/damage
This check is to preserve the safety and
performance of the product.
Check:
a. Pillow, seat- and back cushion
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. Inspect Castors” on
page 14
k. Battery: See Operating and Product Care
Instructions
(All check points a-k are also included in PMS
Caregiver Obligations on page 3)
i
a
b
gk
j
c
d
f
e
h
f
Service Procedures MRM Carendo
8
SP 4. Check Mechanical
Attachments
This check is to preserve the safety and
performance of the product.
Check attachment of:
a. Safety strap knob
b. Raiser
c. Tie rods
d. Care raiser and leg support
e. Castors: see page “SP 10. Inspect Castors”
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 Loctite should not
be checked by tools but manually to test if the
jointing/component is securely fitted.
If tightening is needed and Loctite is previously
used new Loctite must be applied. Proceed
according to the Loctite manufactures instructions.
f
f
d
a
e
c
f
g
c
b
MRM Carendo Service Procedures
9
SP 5. Lubricate Bearings
1. Rise the Carendo partially but not all the
way, locking pins shall not be out.
2. Remove the battery
3. Loosen the three screws (a) for the cover on
the inside.
4. Pull off the cover (b) gripping the cover
from below, trying to get grip with your
fingertips 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 pull out the
bearing.
8. Lubricate the bearing (e), see page 24.
9. Repeat procedure 5-7 for the upper bearing
three screws (f)
Reassembling
10.Use Loctite and torque on the screws.
See page 24 and 30.
11.Repeat procedure 1-10 for the opposite side.
a
Lower bearingUpper bearing
Left
bc
f
e
e
Right d
f
a
c
e
e
6
d
7
Service Procedures 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 requirements.
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