ELTRA CS-2000, Manual

Page: 71 / 110

Maintenance
71
16 Nuts for furnace housing
17 Upper furnace lock
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Remove the furnace cover by just loosening the nuts (16).
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Unscrew the knurled nuts (1) and washers (2).
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Unscrew the wing nuts (3).
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Unscrew the nuts (4) and detach the tubes (5).
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Remove the furnace cleaning system, by pulling the mounting (6).
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Unscrew the nut (7) and the detach tube (8).
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Unscrew the wing nuts (9) and pull down lower furnace lock (10).
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Pull-off the lower O-ring (12) from the combustion tube, remove the combustion tube (14)
by pulling it up; remove the upper O-ring (11).
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Apply a thin layer of grease on the inner surface of the new O-rings (11) and (12), before
mounting them. Apply a thin layer of grease on the outer surface of the combustion tube,
where the new O-rings will be placed.
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Reinstall in reverse order.