Generac
®
Power Systems, Inc. 7
Section 1 – General Information
IMPACT-36 plus II Recreational Vehicle Generator
1.2 GENERATOR APPLICABILITY
These generators have been designed and manufac-
tured for supplying electrical power for recreational
vehicles. You should not modify the generator or use
it for any application other than for what it was
designed. If there are questions pertaining to its
application, write or call the factory. Do not use the
unit until you have been advised by a competent
authority.
For fire safety, the generator must have been
properly installed in compliance with (1) ANSI
119.2-1975/NFPA 501C-1974 “Standard for
Recreational Vehicles”, Part III, “Installation of
Electrical Systems.” The generator also must
have been installed in strict compliance with
the manufacturer’s detailed installation
instructions. After installation, do nothing
that might render the unit in non-compliance
with such codes, standards and instructions.
This generator has been designed to work with an
inverter (P/N 0D4885). The inverter changes the volt-
age from the generator from a DC to an AC voltage.
This generator will not operate properly without the
inverter box connected. All repairs of the inverter
must be handled by an authorized service dealer (see
Page 12 in “Maintenance”).
You can use this generator to supply electrical power
for operating 120 volts, single phase, 60 Hertz, elec-
trical loads. These loads can require up to 3400
watts (3.4 kW) for the Impact-34 plus II, or 3600
watts (3.6 kW) for the Impact-36 plus II. The maxi-
mum current at 120 volts is 28.3 amperes for the
Impact-34 plus II, or 30 amperes for the Impact-36
plus II.
CAUTION: Do not overload the generator.
Some installations may require that electrical
loads be alternated to avoid overloading.
Applying excessively high electrical loads may
damage the generator and may shorten its
life. Add up the rated watts of all electrical
lighting, appliance, tool and motor loads the
generator will power at one time. This total
should not be greater than the wattage
capacity of the generator. If an electrical
device nameplate gives only volts and amps,
multiply volts times amps to obtain watts
(volts x amps = watts). Some electric motors
require more amps of current for starting than
for continuous operation.
1.3 SAFETY
Before using the generator set, carefully read GEN-
ERAL SAFETY RULES inside the cover. Comply with
these RULES to prevent accidents and damage to
equipment and/or property. Generac suggests copy-
ing and posting the GENERAL SAFETY RULES in
potential hazard areas of the recreational vehicle.
Safety should be stressed to all operators of this
equipment.
1.4 GENERATOR CONTROL PANEL
Mounted on the generator control panel (Figure 1.1)
are the following features:
Figure 1.1 — Typical Control Panel
1.4.1 FUEL PRIMER
Before starting a cold engine (if it has not been start-
ed in more than two weeks), you must press this
switch to bring fuel from the tank to the fuel carbu-
retor. This rocker type switch springs back into its
original position when you release it.
1.4.2 START/STOP SWITCH
To crank and start the engine, hold this switch at its
START position. Release the switch when the engine
starts. To stop an operating engine, press and hold
the switch in its STOP position until the engine shuts
off. The switch center position is the RUN position.
1.4.3 FUSE
Protects the engine DC control circuit against electri-
cal overload. If the fuse element has melted open due
to overloading, the engine cannot be cranked. If you
must replace it, use only an identical replacement
fuse.
1.4.4 CIRCUIT BREAKERS
Protects generator's AC output circuit against
overload, i.e., prevents unit from exceeding
wattage/amperage capacity.
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Circuit Breaker Fuse
Start/Stop
Switch
Fuel Primer
Hour Meter
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