Generac Power Systems 48kW, Owner'S Manual

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WEATHER AND MAINTENANCE KITS
To keep the generator running at its peak, the following kits are
offered:
• Cold Weather Kit
~ Recommended for climates with temperatures below 32° F.
• Extreme Cold Weather Kit
~ Recommended Block Heater Kit for protection in tempera-
tures below 32° F.
• Scheduled Maintenance Kit
~ Kit includes the recommended parts to maintain the genera-
tor. Refer to the Service Schedule for regular maintenance
intervals.
For additional information, or to order any of these kits, please
contact an Authorized Service Dealer or Customer Service
Representative.
RECONFIGURING THE FUEL
SYSTEM
NOTE:
All models are configured to run on natural gas from the fac-
tory.
Before the generator can be operated using a LP fuel source, the
fuel system and control panel (refer to the installation drawing for
location) must be reconfigured. The steps to reconfigure the gen-
erator from a natural gas (NG) to a liquidified petroleum (LP) fuel
source are as follows:
FUEL SYSTEM
1. Turn the main gas supply off and disconnect the battery.
2. Remove the carburetor fuel hose from the outlet port of the
demand regulator (see Figure 6.1).
3. Disconnect the power wires from the fuel solenoid located
on top of the regulator assembly by removing the screw on
the front of the connector and pulling the connector forward,
away from the solenoid body.
4. Loosen the spring clamp on the small fuel enrichment line and
remove the hose from the hose barb.
5. Remove the black pipe assembly from the outlet port of the
demand regulator. The solenoid assembly may need to be
removed before performing this operation (Figure 6.1).
6. Remove the NG fuel jet (loosen counter clockwise) from the
outlet port.
7. Remove the LP fuel jet (loosen counter clockwise) from the jet
keeper port on the side of the regulator housing. Install this jet
into the outlet port in the regulator casting.
NOTE:
The jet sizes are stamped on the individual jets. The larger jet
size is used for running on NG.
8. Install the previously removed NG jet into the jet keeper port
on the side of the regulator housing.
9. Install the previously removed black pipe onto the outlet
port of the demand regulator. Use pipe sealant on the pipe
threads.
10. Reverse steps 1-4 in this procedure to reactivate the demand
regulator.
11. Follow the instructions in the Control Panel section.

Serious injury, including death, or damage may
occur if not configured properly. Please consult
an Authorized Dealer with any questions.
Figure 6.1 — Reconfigure the Fuel System
CONTROL PANEL
The FUEL TYPE must be reconfigured in the control panel to final-
ize the conversion process. This generator is configured at the
factory to operate on natural gas. If conversion to LP is required,
please complete the mechanical conversion process and then call
888-9ACTIVATE for the control panel password. This fuel selection
conversion is required to be password protected by Environmental
Protection Agency [EPA] regulations.

Whenever the Generator’s Fuel Regulator is
converted from one Fuel type to the other,
the Control Panel must be reconfigured for
the correct fuel type. Failure to convert both
the Regulator and Control Panel will result in
decreased performance and an increase in emis-
sions, and is a violation of EPA regulations.
6-2
GenSpec083 Rev . B 05/11
Specifications