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Section 12 - Service / Maintenance
10.
Before closing the combustion chamber cleanout door, replace the white gasket seal on
the door (contact the Lanair Service Department). When replacing the gaskets apply a
lightfilm of gasket adhesive to adhere the new gasket to the door frame. Lube the threads
of
the screws with a high temperature lubricant (anti-seize). Re-secure the heat
exchanger cleanout door. If any nuts are stripped, replace (use brass).
11.
Reinstall the galvanized panel, inspection port, and burner.
12.
On the side opposite the burner,
remove the port cover, as well as
the nuts and washers from the
access panel.
13.
Using an industrial type canister
vacuum cleaner with a high
efficiency filter, remove all ash
accumulation
(the chimney
connector can also be removed to
allow access to the manifold for
cleaning).
14.
Inspect and clean the chimney
connector if necessary.
15.
Replace all gaskets that were removed during the cleaning process.
Do not reuse gaskets.
16.
Resecure the access panel and port cover to the heater with the fasteners removed in
previous steps, respectively.
17.
Reconnect all power at the main breaker box, wait ten minutes before turning the ther-
mostat up. Your heater is now ready for normal operation.
NOTE:
When changing the target brick, call the Lanair Service Department for assistance.
CAUTION: THE CLEAN OUT PANEL MUST HAVE AN AIR TIGHT SEAL TO
PREVENT EXTREME DAMAGE TO THE COMBUSTION CHAMBER
CAUTION: TO AVOID BOLT BREAKAGE, DO NOT OVER-TIGHTEN
WARNING: DO NOT OPERATE YOUR FURNACE WITH CLEAN OUT PANELS
OR PORTS REMOVED
