Arjo Carevo Operating instructions

09.BA.03_4EN • 11/2021

MAINTENANCE AND REPAIR MANUAL

Carevo

For internal use only!

MRM Carevo

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)

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

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

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

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

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.

MRM Carevo Service Procedures

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.

g,h

Service Procedures MRM Carevo

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

MRM Carevo Service Procedures

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.

Service Procedures MRM Carevo

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

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