Alpha Technologies AlphaGen PN-6x-T 7.5kW 48VDC - Technical Manual - Manual (Page 83)

042-288-B0-001, Rev. A 83
7.0 Maintenance, continued
7.8 Fuel Conversion, Natural Gas to LP
7.8.1 PN-6x-T Pre-regulator Removal with Low Pressure Switch Installation
Required Tools:
7/8" open-end wrench
In this procedure, the pre-regulator is removed, and a low pressure switch is installed
in its place. Reverse this procedure if changing from (LP) liquid propane to (NG)
natural gas.
1. Remove the inlet nipple that passes through the enclosure wall.
2. Loosen the quick disconnect fi tting just below the pre-regulator, and remove the
pre-regulator assembly.
3. Do not apply pipe sealant to the Quick Disconnect fi tting. Install the low
pressure assembly onto the Quick Disconnect fi tting and tighten.
4. Reinstall the inlet nipple through the enclosure wall. Connect alarm plug into the
ECM wiring harness.
Fig. 7-8, PN-6x-T Pre-regulator Removal
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.
Quick
Disconnect
Fitting
Fig. 7-9, PN-6x-T Switch Assembly Installed
WARNING!