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1.6.1 RECONFIGURING THE FUEL SYSTEM
To reconfigure the fuel system to run on natural gas,
follow these instructions (See Figure 1.2):
1. Loosen the hose clamp holding the fuel hose to
the 1/2" hose fitting.
2. Remove the hose from the hose fitting.
3. Remove the hose fitting from the regulator cast-
ing.
4. Remove the LP jet which is located below the hose
fitting inside the regulator casting.
5. Remove the natural gas jet from the holding sock-
et on the outside of the regulator casting.
6. Insert the natural gas jet in place of the LP jet and
place the LP jet into the holding socket.
7. Replace the hose fitting onto the regulator casting.
8. Replace the hose into the hose fitting.
9. Tighten the hose clamp to the hose fitting.
10. The unit is now configured to run on natural gas
fuel.
Figure 1.2 — Reconfiguring the Fuel System
Hose Clamp
1/2" Hose
Fitting
Natural Gas
Jet
1.6.2 RECOMMENDED FUEL
Recommended fuels should have a Btu content of at
least 1000 Btus per cubic foot for natural gas; or at
least 2520 Btus per cubic foot for LP gas. Ask your
fuel supplier for the Btu content of your fuel.
DANGER
GASEOUS FUELS SUCH AS NATURAL AND LP
(propane) GAS ARE HIGHLY EXPLOSIVE. EVEN
THE SLIGHTEST SPARK CAN IGNITE SUCH
FUELS AND CAUSE AN EXPLOSION. NO LEAK-
AGE OF FUEL IS PERMITTED. NATURAL GAS,
WHICH IS LIGHTER THAN AIR, TENTS TO COL-
LECT IN HIGH AREAS. LP GAS IS HEAVIER
THAN AIR AND TENTS TO SETTLE IN LOW
AREAS.
6
Generac
®
Power Systems, Inc.
Section 2 — Installation
Generac APS 6.0 DC Auxiliary Power System
Fuel Hose
12 VDC
Solenoid
2.1
INSTALLATION
This Owner's Manual has been prepared under the
assumption that a competent, qualified technician
installed the generator. We also assume the installer
complied with all applicable codes, standards and
regulations pertaining to installation.
Owner/Operators must make sure to do nothing that
might render the installation unsafe or in noncompli-
ance with applicable codes, standards and instruc-
tions. They should be sure the unit has been installed
to allow adequate ventilation for cooling and exhaust
air.
2.1.1 UNIT LOCATION
The general APS 6.0 24V DC generator has been
designed specifically for use in the telecommunica-
tions industry. The unit is housed in a sound attenu-
ated weatherproof sheet metal enclosure for outside
use only.
During installation it is extremely important that cer-
tain considerations are taken to allow adequate ven-
tilation for cooling and exhaust air and access for
servicing the unit. Figure 2.1 shows the minimum
requirements to allow proper operation of the unit.
Figure 2.1 — Ventilation Requirements
The unit should never be installed up against brick
walls or in tight corners. For proper unit operation, it
is important that the hot exhaust air venting from the
rear of the enclosure does not recirculate into the
engine and control panel intakes. During installation,
ensure all vents and intakes are clear of any foreign
materials that might restrict air flow. This includes
the vents for the rectifier and filter assembly located
on the side of the unit (Figures 2.2 and 2.3).
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