: Cleaning mechanism details
• Unscrew the knurled nuts (1).
• Unscrew the wing nuts (2).
• Unscrew the nuts (3) and gas inlet tubes (4).
• Remove the furnace cleaning system, by pulling up the bar (5).
• Unscrew the nuts (6) and remove the washers (7) and springs (8).
• Remove the bar (5).
• Remove the circlips (9).
• Remove the upper furnace lock (10).
• Remove and replace the O-rings (11) do not grease the O-rings!
• Reinstall in reverse order.
The O-rings are only replaced when they can no longer adequately seal, due to a damage or
age. When removing the old O-rings, be ensure that the sealing areas of the fittings are not
damaged. The sealing surfaces of the o-rings, on the rods and inside the furnace lock (10),
must be cleaned to be free of grease and dust.
Don’t grease these O-rings.
Remark
– Neither the upper O-ring nor the upper end of the thick glass tube of the resistance
furnace is to be greased.
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