Alpha Technologies AlphaGen PN-6x-T 7.5kW 48VDC - Technical Manual - Manual (Page 85)

042-288-B0-001, Rev. A 85
7.0 Maintenance, continued
7.8 Fuel Conversion, Natural Gas to LP, continued
7.8.3 Switching the NG Port to the LP Port, CE-3X2
The following procedure must only be performed by qualifi ed personnel. To prevent
injury, disable generator and disconnect gas supply prior to beginning the gas conversion
procedure.
WARNING!
Required Tools:
• 7/8" open-end wrench
• NFPA-approved pipe sealant
• 1/4" Allen wrench
• Flathead screwdriver
In this procedure, the gas inlet hose is switched from the NG port to the LP port.
Reverse this process if converting from liquid propane to natural gas.
1. Locate the Loosen the hose clamp on the gas line (1).
2. Holding the gas hose, loosen the gas fi tting from the NG port (2).
3. Using the 1/4" Allen wrench, remove the plug from the LP port. Coat the plug
with pipe sealant and reinstall in the NG port (3).
4. Coat all but last two threads of the gas fi tting and install in the LP port (4).
5. Set the selector switch on the Gas Hazard Sensor to the correct setting.
6. Apply gas pressure, and test all fi ttings for leaks with test solution or soapy
water. Clean and dry fi ttings after leak testing to avoid rust.
1 2 3 4
Fig. 7-12, Changing Load Block Confi guration, CE-3x2 5K-T