Servicing; General Servicing Information; Checklist - Maintenance; Inspection After Relocation - Prepare For New User - Invacare SB 755 Service Manual

Invacare® SB® 755

4 Servicing

4.1 General servicing information

IMPORTANT!
– The mattress support must be supported
during service inspections, to prevent
accidental lowering.
– Only personnel who have received the
necessary instructions or training may
perform service and maintenance of the bed.
– After reconditioning the bed, or if bed
functions change, service must be carried out
according to the check list.
A service contract can be made in the countries, where
Invacare® has its own sales company. In certain countries
Invacare®offers courses in service and maintenance of
the bed. Spare parts lists and additional user manuals
are available from Invacare®.
Before Use
• Ensure that all manual and electrical parts functions
correctly and are in a secure state.
• Check, by raising and lowering the bed, that the shear
arms run smoothly in the guideways.
After three months
• Ensure that all manual and electrical parts are
functioning, and tighten bolts, screws, nuts, etc.
Every year
• We recommend a safety test comprising the motors'
performance and mechanical state.
Every second year
• We strongly recommend a service according to the
below checklist after two years of normal use and
then every second year.
Motors, hand control and control units are serviced
by exchanging the faulty part.

4.1.1 Checklist - Maintenance

Checkpoints
q Circlips, cotter pins and plastic fixing ring - properly
locked and intact.
q Screws - tightened.
q
Weldings - intact.
q
Check the guideways - no bending.
q Check the guideways reinforcement - properly
fastened.
q Side rail locking and moving system - properly locking
and running smoothly.
q Castor fittings - tightened.
q Castor brakes - locking properly.
q Height adjustment motor - running properly.
q
Backrest motor - running properly.
q
Thigh section motor - running properly.
q Leg section motor - running properly.
q Wires - correctly wired and undamaged.
q Electric plugs - undamaged.
q
Cable insulation and actuator housings – no cracks
or damages.
18
q
Damaged coating - repaired.
q Line side rail straps - not frayed or cracked.
q Accessories - correctly assembled and correct function.
4.2 Inspection after relocation - Prepare
for new user
IMPORTANT!
When the bed has been relocated; before given
to a new user it has to be thoroughly inspected.
– Inspection must be done by a trained
professional.
– For regular maintenance see maintenance
chart.

4.2.1 Checklist - After relocation

Checkpoints
q
Check that the lifting wedge runs in the centre of the
support rolls; upper and lower.
q Check that the locking between the lifting wedge and
piston from the motor is secure (pipe pins correctly
mounted).
q Check that the side tubes of the mattress support are
fully inserted, aligned and locked.
q Check that the latches, locking the mattress support
on the shear arms, are properly engaged (red button
on the mattress support).
q Check the locking of the motors (pipe pins correctly
mounted).
q Check the electronic wiring for the motors (wires not
squeezed).
q
Check that the enclosing of the motors are intact (no
cracks that enables fluids to pierce).
q Check that the locking cam is properly mounted over
the contacts in the control box.
q
Check the sections of the mattress support by using
the hand control to activate all functions of the
moving parts.
q Check the function of the brakes.
q
Check that the snap locks on the bed ends are
properly locked (pin all the way in = locked)
q Check the locking function(s) of the side rails.
q Check that all bed slats are intact and not loose.

4.3 Cleaning and Disinfection

4.3.1 General Safety Information

CAUTION!
Risk of contamination
– Take precautions for yourself and use
appropriate protective equipment.
CAUTION!
Risk of electric shock and product damage
– Switch off the device and disconnect from
mains, if applicable.
– When cleaning electronic components
consider their protection class regarding
water ingress.
– Make sure that no water splashes to the plug
or the wall outlet.
– Do not touch the power socket with wet
hands.
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