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Generator Capacity
To make sure your generator can supply enough
running watts and starting watts for the items you will
power at the same time, follow these simple steps:
1. Select the items you will power at the same time.
See following list for typical wattages.
* Typical wattages listed are approximate only. Check
tool or appliance for actual wattage.
** Per Briggs & Stratton 628K, Starting Watts represents
the momentary electrical current the generator can
provide to start electric motors. Starting Watts does
not represent the power required to continuously run
electrical loads. Starting Watts is the maximum current
that can momentarily be supplied when starting a
motor, multiplied by the generator’s rated voltage.
2. Total the running watts. This is the amount of
power your generator must produce to keep your
items running. See following example:
Example:
Total Running Watts = 2355
Total Generator Watts Required = 4355
3. Estimate the Starting Watts you will need. Because
not all motors start at the same time, total Starting
Watts can be estimated by adding only the
item with the highest additional Starting Watts
requirements to the total running watts from step 2.
Power Management
To manage generator power, sequentially add loads as
follows:
1. With nothing connected to generator, start the
engine outdoors.
2. Plug in and turn on the first load, preferably the
largest load you have.
3. Permit the generator output to stabilize (engine runs
smoothly and attached device operates properly).
4. Plug in and turn on the next load.
5. Again, permit the generator to stabilize.
6. Repeat steps 4 and 5 for each additional load.
NEVER add more loads than the generator capacity.
Take special care to consider surge loads in generator
capacity.
Maintenance
Maintenance Schedule
Follow the hourly or calendar intervals, whichever
occurs first. More frequent service is required when
operating in adverse conditions noted below.
1
Service more often under dirty or dusty conditions.
General Recommendations
Regular maintenance will improve the performance
and extend the life of the generator. See any
authorized dealer for service.
The generator’s warranty does not cover items that have
been subjected to operator abuse or negligence. To
receive full value from the warranty, the operator must
maintain the generator as instructed in this manual.
NOTICE
Improper treatment of generator could
damage it and shorten its life.
• NEVER operate generator without protective housing or
covers to assure proper cooling.
Some adjustments will need to be made periodically to
properly maintain your generator.
All service and adjustments should be made at least
once each season. A new spark plug and clean
air filter assure proper fuel-air mixture and help
your engine run better and last longer. Follow the
requirements in the Maintenance Schedule.
Every 8 Hours or Daily
• Clean debris
• Check engine oil level
First 10 Hours
• Change engine oil
Every 50 Hours
• Service engine air cleaner and breather filter
1
• Change engine oil
1
Every 100 Hours
• Clean fuel strainer
• Service spark plug
• Inspect muffler and spark arrester
Every 250 Hours or Yearly
• Check valve clearance
Tool or Appliance
Running
Watts*
Starting
Watts**
Light Bulb - 75 Watt 75 -
Pump 800 1200
Refrigerator/Freezer 800 2000
1000 2000
Air Conditioner- 13,500 BTU 1200 1800
800 1300
Microwave Oven - 1000 Watt 1000 -
Color Television - 42” 280 -
Personal Computer w/17” monitor 800 -
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