Algas SDI VAPORAIRE M-Series, Руководство по эксплуатации и техническому обслуживанию

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Algas-SDI Operations & Maintenance Manual – P/N - 54264
5-37
5. Maintenance
SCHEDULE FOR ALL MODELS OF MIXERS OPERATED CONTINUOUSLY
Use this maintenance schedule if your LPG-vapor/air mixer is used full-time.
Table 5 - Maintenance Schedule
Description Monthly Every 6 Months Annually
Vapor Motive Pressure Check setpoint
Heating Value Adjustment
Check gas quality
(every two months)
Mixed Gas Operating Pressure
Control Switch Adjustment and
Dead Band
Check setpoint
Low Vapor Pressure Switch Check setpoint
High Mixed Gas
Pressure Switch
Check setpoint
Solenoid Valves
(Diaphragm and
Piston types)
Inspect and clean Internal
parts. Replace Worn or
damaged parts
Clean. Replace all
Internal parts
Venturi Check Valves
Pressure check- remove cage
and silencer if installed, put
surge/accumulator tank under
pressure and check valve for
leaks with a soapy solution.
Replace the valve if there are
any leaks.
Inspect clevis assembly,
clevis bolt & nut, valve arm
& valve surface. Replace if
worn.
*Pressure Regulators Check setpoints
Replace disk assembly.
Replace diaphragm if
Required.
Control Box
Electrical Components
Open box. Check for
Corrosion and moisture
damage.
Unit Connections (all) Leak test.
Flame Arrestor
Remove from pressure
Switches inside control box
and inspect. Clean if
necessary
Remove from pressure
Switches inside control
box. Clean with general
solvent, blow dry with air,
and replace.
* The pressure regulator has a vent assembly, which is equipped with a relief indicator. The cap for the relief
indicator snaps over the vent assembly opening. If the relief valve opens wide, exhaust gas pops the cap off the
screen vent assembly opening indicating a problem with the regulator. If the cap pops off, inspect the disk
assembly and seat ring; replace them if necessary.
Refer to the Fisher 627 Series manual in the appendix for
detailed maintenance instructions.
CAUTION
Whenever any component or fitting in the system is removed and
replaced or reinstalled, the complete system must be leak tested.
NO LEAKS ARE TOLERABLE!