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Air Overlay Mattress User Guide

7

System maintenance 

Maintenance at regular intervals (mandatory every 

2 years) is necessary to preserve the function of 

the OSKA Air Overlay alternating pressure system.
Used filters must be exchanged within this period.
Maintenance/inspection is carried out by the 

producer or an authorised firm or engineer at the 

client’s expense.
If the maintenance is not performed within the 

first 2 years of the products life or not conducted 

by an authorised firm or engineer then the 

warranty claims become invalid. Damage or any 

other loss of function arising from the lack of 

maintenance or interferences by an unauthorised 

party will also invalidate the product’s warranty.

Maintenance/inspection includes the following 
procedures: 

01.   Replace membrane unit
02.   Replace air filter
03.   Replace synchronous motor
04.   Conduct function test/function check
05.   Sealing of case and attaching an  inspection 

sticker

06.   Protective conductor check in accordance 

with DIN VDE 0751

Cleaning

Dirt or stains should be removed using warm 

water with a mild detergent and a cloth. Do not 

use aggressive cleaning agents or solvents.
Regular wipe disinfection is recommended using 

a suitable disinfectant cleaner and following 

manufacturer’s guidelines.
The Top covers are machine washable. Care must 

be taken, in order to maintain the integrity of the 

covers.  
Light Blue Cover – This cover can be machine 

washed up to 70˚C for disinfection, following 

manufacturer’s dosing directions. Tumble dry on 

low heat and ensure cover is thoroughly dry 

before replacing. 
Dark Blue Cover – This cover can be machine 

washed up to 95˚C for disinfection, following 

manufacturers dosing directions. Tumble dry on 

low heat and ensure cover is thoroughly dry 

before replacing.

Technical specification

Pump

OSKA Air Overlay

Power supply:

 

220~240V/50Hz, 1A

Air output: 

8 litre/min.

Pressure range: 

30-60 mmHg

Cycle time: 

12 min.

 

Static mode 

Alarm reset mode 

With normal/low pressure light

Size: 

28cm(L) x 20cm(W) x 10cm(H)

Weight: 

2.2 kg

Mattress

Size: 

86.5cm(W) x 200cm(L) x 12.5cm(H)

Top cover type 1

 

– Light blue bi-elastic cover with 

PU/Polyester coating and zipper.

  

Top cover type 2

 

– Dark blue bi-elastic cover with 

PU/Polyester coating and zipper.

Air cells:

 

Nylon / PVC

Base:

 

Nylon / PVC

 

17 air cells 

CPR valve for emergency procedures 

Pillow function 

Quick connectors

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