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PREVENTATIVE MAINTENANCE SCHEDULE
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f
>
/
• PARTS
DAYS
:
MID
END OF
PROCEDURE
~S=.6.~nN
~S=.6.~nN
~
.'
,
..
Ignitor
X
Check for continuity 50-300 ohms
Flame Sensor
X
Check that flame sensor is straight.
Clean sensor with fine steel wool.
' .
,
,
Tank
X
X
X
Adjust blow down time when required.
Check that scale has not accumulated
above 2".
Clean tank when required.
:
Drill out tank nipples when required.
i
Float Chamber
X
X
X
Ensure floats move freely.
:
•
Clean scale from chamber when required.
..
Fill Lines
X
X
X
Inspect for leaks.
Drain Lines
X
X
X
Inspect for leaks at the drain pump, fillcup
••
and the float chamber .
Gas Venting
X
X
X
Inspect for leaks.
Inspect terminal cap is clear flue temp
350-400 .
')
..
Direct Vent
X
X
Inspect for leaks.
..
Inspect intake terminal clear .
Gas Burner
X
Clean with compressed air from outside
matting.
Remove from blower and expel dust.
...
•
Replace bumer gasket.
>.
H/L Stack Sensor
i
X
X
X
Visual check that sensor is intact.
..
~
: Drain Complete Unit
i
X
Switch to drain on all units.
- 23-
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