Arjo Carevo Operating instructions

09.BA.03_4EN • 11/2021
MAINTENANCE AND REPAIR MANUAL
Carevo
For internal use only!

MRM Carevo
2
Index
Preventive Maintenance Schedule ............................................... 3
Procedures not included in PMS .................................................. 4
Service Procedures........................................................................ 5
Lubrication, Sealants, Lockings and Torques........................... 22
Tools ............................................................................................. 26
Trouble Shooting.......................................................................... 27
NOTE
Before using this Manual you must have taken part of and understood the
Safety Precautions 09.NE.01 Blue text indicates changes compared to the
previous manual.

MRM Carevo Preventive Maintenance Schedule (PMS)
3
Preventive Maintenance Schedule (PMS)
Caregiver obligations
PMS Carevo
Action/check Every
day
Every
week
Disinfection x
Visually check all exposed parts x
Visually check mechanical attachments x
Perform functionality test x
Inspect castors x
Visually check battery charger and battery x
Check mattress and head pillow x
Qualified personnel actions
PMS Carevo
Action/check Every
year
Service
procedure Page
Check that the latest updates have been implemented x15
Check battery x26
Check all vital parts for corrosion and damage x37
Check mechanical attachments x48
Check the safety stop function x59
Perform a safe working load test (Local requirement) x610
Inspect castors x711
Inspect handles of safety sides x813
Perform full feature functionality test x914
NOTE
All caregiver obligations according to Instructions for Use are to be checked when
performing the Qualified personnel Service
WARNING
The points on this checklist are the minimum the 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.

Preventive Maintenance Schedule (PMS) MRM Carevo
4
Replace the lift
actuator
SP 11, page 18
Replace the
bearings for
side support
SP 12, page 20
Replace the
control panel
SP 9, page 15
Procedures not
included in PMS
After performing a replacement, check
the involved functions according to
PMS.
Setting of the
potentiometers
SP 13 page 21
Replace the
microswitch
SP 10, page 17

MRM Carevo Service Procedures
5
Service Procedures
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:Field Safety Corrective Action (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
improvements.
Example of a published Technical Advisory
Notice C

Service Procedures MRM Carevo
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.
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 Carevo Service Procedures
7
SP 3. Check all vital parts for
corrosion and damage
Visually check and correct so that the intended
function is not impaired:
•(a) Stretcher with flexible hip part
•(b) Gables
•(c) Chassis covers
•(d) Labels
•(e) Mattress/pillow/wedge pillow
•(f) Side support with handles and cover, note
if bracket on each handle is missing. If
bracket is missing, handle must be replaced.
•(g) Castors
•(h) Brakes
•(i) Drain, drain plug
•(j) Emergency stop
•(k) Adjustable back rest (option)
•(l) Battery, See Instruction For Use
•(m) Control Panels and cabling
•(n) Straight steering
Painting
If the painting is damaged (scratches/marks)
add paint in matching colour to prevent future
corrosion. Note! Before applying the paint the
surface must be clean and dry.
l
e
d
j
m
g,h
n
n
d
a
b
b
m
c
f
e
f
g,h
g,h
i
k
f
n

Service Procedures MRM Carevo
8
SP 4. Check mechanical
attachments
Visually check:
(Torque=T, Locking nut =L, Lo= Loctite)
•(a) Side support parts, T+Lo
•(b) Side support bearings and torsion
springs
•(c) Handles to stretcher, T+Lo
•(d) Pillar to stretcher, T+L
•(e) Castors, T+Prelock screw+L
•(f) Stretcher Actuator, bottom, L
•(g) Back rest Actuator T+L(Option)
•(h) Chassis cover screws, T
•(i) Microswitch, screws, cotter pin
•(j) Microswitch, bearing, T+L
•(k) Emergency stop
•(l) Pillar; chassis and bearings,T+L
•(m) Gables, T+L
•(n) Damper, L
•(o) Cable straps and clamp: Make sure the
straps are tightened.The cables must not
hang loose.
For detailed specifications see “Lubrication,
Sealants, Lockings and Torques” on page 22
and “Tools” on page 26
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.
b, c
f
g
b
a
k
o
h
d
e
l
l
m
n
j
i
i

MRM Carevo Service Procedures
9
SP 5.Check the safety stop
function
Check that the microswitch (a) stops the
stretcher from lowering if an object is hit.
If not:
• Check cabling (b) to PCB J3. If the cabling
is shortcut the safety stop will not work. If
the cabling is cut the actuator will not
operate. To replace the microswitch see SP
10 page 17.
b
a

Service Procedures MRM Carevo
10
SP 6. Perform a safe working
load test (Local Requirement)
Applicable load test:
• Model: Carevo
• SWL: 200 kg (440 lbs)
• Test load: 200 kg (440 lbs)
• Use the ArjoHuntleigh load test equipment
and refer to SP015 for general information
on load testing.
NOTE! Do not make adjustments to
exceed the above limits. See SP 13 page
21.
1. Use eight water barrels from the Load Test
Equipment ST120 or 25 l standard plastic
barrels.
2. Fill eight barrels full with water.
3. Remove the mattress and lower one side
support.
4. To ensure cleanliness, place a suitable
lightweight cover on the stretcher e.g. cloth,
plastic or paper sheet.
5. Lower the stretcher to the lowest level.
6. Load the barrels on the stretcher, start from
the middle.
7. Raise the hoist to apply and sustain the test
load of 200 kg for a period of at least 15
minutes.
8. Lower the stretcher and remove the water
barrels: check for any permanent
deformation or damage. Recommend the
replacement of any defective parts.
9. Clean down the stretcher.
10.Document the test results according to local
routines.
CAUTION
• Obey all relevant safety precautions.
• The Safe Working Load (SWL) is
applicable to the model quoted. Always
refer to the SWL identified on the actual
hoist equipment