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7.4 Replacement of firing muffle
Caution!
This product contains ceramic fibers; it may release fiber dusts; these have proven
carcinogenic in animal experiments.
Follow EC safety data sheet.
The heat insulation of the firing chamber in this unit consists of ceramic fibers. Following
extended use of ceramic fibers at temperatures above 900°C, silicon type substances
(cristobalite) may occur. In certain cases, e.g. when replacing the firing muffle, dust exposure
may occur which will possibly cause irritations to skin, eyes, and respiratory organs.
When replacing the firing muffle, please proceed as follows:
" All personnel must be told to wear long-sleeved clothing; cover your head, wear eye
protection and gloves.
" Fit dust extraction device to the source of dust, and, if this is not possible, equip your
personnel with the dust mask FFP3 or similar.
" On completion of this task, any clinging dust particles must first be rinsed off the
unprotected skin with cold water. Only then use hot water and soap to wash off.
" Wash your working cloth separate from normal garments.
Warning!
Before opening this unit, disconnect mains cable from mains socket.
Service work on open units must be carried out by qualified personnel only.
Removal:
Multimat
®
Touch&Press:
1. Comply with dust protection measures!
2. Disconnect mains plug!
3. Shut down compressed air supply!
4. Unscrew press hood, pull slightly towards the rear and remove carefully in an upward
direction.
5. Undo connector from the solenoid valve.
6. Disconnect the compressed air hose from the solenoid valve by withdrawing the clamp
ring in an upward direction and the compressed air hose in a downward direction at the
same time.
7. Disconnect approximate sensor
8. For further steps see the instruction of Multimat
®
Touch.
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