Use and Care Manual

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11 of 16 Rev. 1/2010
Heavy Duty Power Equipment
4550 Pro, 5650, 6500(EL), 7550 Pro
Operating the Generator
Step 4.
Set the fuel valve lever to the ON position by rotating it clock-
wise.
Step 5.
Pull the choke lever to the CLOSED position. See page 7 for a
diagram of the choke lever.
Step 6.
Turn the generator ON/OFF switch to the “ON” position.
Step 7.
Start the engine
1. If you have an electric starter, press the electric starter
switch to the START position, hold it there for 5 seconds and
let it come to rest in the ON position once the engine has
started.
2. If you are using the recoil starter, pull slightly on the cord
until you feel some pressure. Once you feel the back-
pressure building, rapidly pull the cord.
Step 8.
Once the generator is running, push the choke lever into the
OPEN position.
Step 9.
Let the generator warm up for approximately 3 minutes before
applying any electrical loads.
Step 10.
Apply loads to the generator one at a time, allowing the genera-
tor to stabilize after you add each incremental load. Add the
loads with the largest surge power requirement first. This would
include refrigerators, air-conditioners, large motors, and pumps.
Add smaller loads once the generator has stabilized with the
larger loads.
ALWAYS UNPLUG APPLIANCES AND REMOVE ALL ELEC-
TRICAL LOADS BEFORE REFUELING. THEN FOLLOW
STEPS 2 - 10.
Connecting a load larger than this generator’s power rating may
damage the circuit breakers, alternator and sensitive appliances.
Continuously loading this generator above 80% of its maxi-
mum output power will shorten the life of the generator.
Balance the load evenly between the A and B outlets to maxi-
mize the output power.
Appliances with electric motors require an additional 150%
power when they are starting up (indicated by an * and in bold
in the chart below).
To determine maximum load that you may safely connect
to this generator:
1. Calculate the maximum continuous power required by add-
ing up the running power of each appliance. The total run-
ning power of your appliances cannot exceed the maximum
output power of this generator.
2. Calculate the surge power by:
i) Adding up the running power of each appliance with an
* and in bold below.
ii) Multiplying the total by 1.5.
iii) Adding this to the total running power calculated in
step 1 above.
The surge power requirements of your appliances cannot
exceed the surge power rating of this generator.
Typical Residential Loads
Appliance Running Power
Light bulbs (each) 75 Watts
Stove element (each) 1000 Watts
Microwave 1500 Watts
Coffee maker 700 Watts
Television 750 Watts
VCR 250 Watts
Computer & monitor 800 Watts
Space heater 1500 Watts
Washing machine 1000 Watts
NG clothes dryer 750 Watts
Electric clothes dryer 5500 Watts
Dishwasher 1850 Watts
Water heater 5000 Watts
Electric furnace 5000 Watts
Toaster 1200 Watts
Box fan* 750 Watts
Window A/C - 8000 BTU* 2400 Watts
Central A/C (per ton)* 2800 Watts
Furnace blower* 850 Watts
2 hp well pump* 2000 Watts
Refrigerator* 1000 Watts
Freezer* 1000 Watts
STOPPING THE GENERATOR
In normal use:
1. Turn the AC circuit breaker to the OFF position (if applicable).
2. Disconnect all loads and extension cords.
3. Allow the engine to run with no load for 3 minutes.
4. Turn the engine switch to the OFF position.
5. Turn the fuel valve lever to the OFF position.
6. Allow the generator to cool off before touching any engine or
alternator components. It may take as long as 30 minutes
before the generator is cool enough to touch safely.
WARNING
In an emergency:
To stop the engine in an emergency, move the engine switch
to the OFF position and turn the fuel valve OFF.