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WARNING: Maintenance should only be performed by authorized service personnel in order to ensure safe and
effective workmanship, while minimizing danger to operating personnel. The D226 Steam Booster is designed
to operate at temperatures capable of causing burns to personnel. Always allow the unit to cool down to an
acceptable temperature prior to performing any maintenance.
Very little maintenance is required to be performed on the D226 Booster. So long as the steam and water used with the unit
have the proper filtration and are operated at the correct temperature and pressures, then you should expect many years of
reliable service out of your system.
MAINTENANCE OF THE W
ATER PRESSURE REGULAT
OR:
Incoming water pressure can be regulated by adjusting the water pressure regulator on the system. In order to adjust pressure,
loosen the top nut on the regulator. This will allow you to turn the adjusting screw. Turn the adjusting screw clockwise to
increase pressure and counter-clockwise to decrease. Pressure can be read on the pressure gauge located on the water out-
let side of the heat exchanger. Once the desired pressure is achieved, tighten the top nut to ensure that the adjustment can-
not be accidently changed.
The water pressure regulator has an internal strainer that can be removed through the bottom hexagonal plug. This may need
to be periodically checked depending on the water quality. It is important that the water supply to the water pressure regulator
be secured prior to trying to clean the strainer.
MAINTENANCE OF THE RELIEF V
ALVES, SAFETY VALVES AND THERMOSTAT:
These components are shipped from the factory preset and should not be tampered with. None of these components are con-
sidered adjustable and no attempt should be made to do so. If a component does not appear to be working properly, then it
should be replaced immediately by an authorized service representative.
AJ-44C Series Technical Manual 7610-001-76-22
Issued: 03-21-2006 Revised: N/A
SECTION 3: PREVENTATIVE MAINTENANCE
D226 MAINTENANCE
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