Miele G 7804 Operations Instructions download pdf (Page 4)

The G 7804 washer disinfector is a front

loading machine designed specifically

for processing laboratory utensils and

glassware.

In general these include glass, heat

tolerant plastic, stainless steel and

coated metal items such as containers

(e.g. beakers, narrow necked and

conical flasks, Erlenmeyer flasks,

bottles, test tubes, separatory funnels

etc.), measuring vessels (e.g.

volumetric flasks, measuring cylinders,

pipettes etc.), dishes (e.g. Petri dishes,

mortars, watch glasses etc.) and small

components (e.g. stoppers, spatula,

stirrers etc.).

The main aim of processing laboratory

utensils and glassware is to remove

contamination from both external and

internal surfaces and to rinse off any

cleaning and neutralising agents.

The G 7804 is designed to process one

batch at a time. Items are loaded into

inserts and mobile units which are then

pushed into the wash cabinet. The door

is then closed and the programme is

started manually. At the end of the

programme the operator opens the

door, removes the mobile unit and

inserts and unloads the items.

The G 7804 is a single cabinet system

in which the whole process takes place,

including the pre-wash, main wash,

neutralisation, interim and final rinses.

Drying can be selected as an additional

function to complete the process. Each

programme stage follows on

automatically after the previous one.

The main wash, neutralising and rinse

stages are all carried out using water

based agents only. In other words

using cold, hot or fully demineralised

water with the addition of a suitable

chemical agent (cleaning agent or

neutralising agent). Other liquid agents

such as organic solvents or

combustible agents must not be used

in this machine.

Before processing anything in this

machine make sure that it is suitable for

machine processing and that it is for

example heat, acid and alkali tolerant.

It is the user’s responsibility to decide

whether items contaminated with

substances such as micro biological

material, pathogenic cells, facultative

pathogenic cells, genetically modified

material etc. should be sterilised before

machine processing.

Description of the machine

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