
© 2021 Staheli West
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Replace the burner fuel filter (Napa 4006).
Remove airflow switches. Blow compressed air
through air lines. DO NOT BLOW COMPRESSED
AIR INTO SWITCHES! Re-install when finished.
Rotate tires front to rear.
Remove the burner gun nozzles and clean with a
solvent.
Remove one of the rear hand holes and inspect boiler
tubes for scale. If a lot of scale is present, contact local
dealer. (Tubes in picture are in good condition)
250 Hour Maintenance / Yearly
While the boiler is under pressure, open the water
purge valve and listen for crackling in the right rear
water tank. If crackling, the water purge system is
working correctly. If not crackling, check the water
purge path for blockages. (Depressurize boiler first)
Summary of Contents for DewPoint 331
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