Alpha Technologies AlphaGen 5.0kW Auxiliary Power Unit - Manual (Page 61)

3. Maintenance
61
031-132-B0-001 Rev. A TM ©2000
Adjustment
point
Access cap
Primary Fuel
Regulator
Remove the adjustment cover on the
Maxitrol regulator and adjust the screw
as indicated in the text. NOTE: Located
outside the enclosure in the utility gas
box.
3.17 Maxitrol Pre-Regulator Calibration
Required tools:
Screwdriver, DWYER # 1212 water column (0-16") gas pressure test kit
Allen head ratchet wrench, approved pipe dope, approved leak detector
compound.
The Maxitrol regulator has a maximum inlet pressure of 5 PSI. Alpha
Technologies recommends all installations range between 0.5-2 PSI for consistency
of gas flow.
An external water trap must be supplied outside the enclosure in accordance
with local, state, and National Fire Protection Agency (NFPA) codes. Water sent via
gas lines to the regulator system could damage the secondary demand regulator.
For further details see the CE-G Installation Manual (Alpha p/n 031-089-C0) for
details.
Small DC Systems have the Fuel
Shut-off and Primary Regulator
located outside the Main Enclosure.
Fig. 3-4 Primary Regulator Gas Pressure Adjustment