Maintenance Schedule; Generator Maintenance; Cleaning The Generator - Briggs & Stratton FORTRESS Series Installation And Operation Manual

12kw single phase air-cooled standby generator system
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2. Remove utility power to the generator to de-energize the
battery charger.
3. Remove the roof.
4. Remove the 15 Amp fuse from the fuse holder at top of
the control box.
5. Disconnect the negative (-) cable at the battery.
6. Perform service steps as specified.
7. Connect the negative (-) cable at the battery.
8. Install the 15 Amp fuse into the fuse holder at top of the
control box.
9. Install the roof.
10. Restore utility power to the generator.
11. Push the ON/OFF Switch on the side of the generator to
the "ON" (I) position.
12. Set the generator mode to AUTO.

Maintenance Schedule

Follow the hourly or calendar intervals of operation,
whichever occurs first. 
Every 8 Hours of Operation or Daily
Clean Debris
Check the Engine Oil Level
Every 100 Hours of Operation or Annually
Change the Air Filter
Change the Engine Oil and Filter
Replace the Spark Plugs
Check the Valve Clearance
Check the Circuit Breaker Torques
Annually
Clean the Oil Cooler Fins
 
Regular maintenance will improve the performance and
extend the life of the generator. See any authorized dealer for
service.
Emissions Control
Maintenance, replacement, or repair of the emissions control
devices and systems can be done by any non-road engine
repair establishment or an individual. However, to obtain "no
change" emissions control service, the work must be done by
a factory authorized dealer. See the Emissions Warranty. 
 

Generator Maintenance

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.
Some adjustments will need to be made periodically to
correctly maintain your generator. 
All service and adjustments must be made at least once
each season. Obey the requirements in the Maintenance
Schedule chart. 
Generator maintenance consists of keeping the unit clean.
Operate the unit in an environment where it will not be
exposed to excessive dust, dirt, moisture or any corrosive
vapors. The cooling air louvers on the enclosure must not
become clogged with snow, leaves, or other foreign material.
To prevent generator damage caused by overheating,
keep the enclosure cooling inlets and outlets clean and
unobstructed at all times. 
Check the cleanliness of the unit frequently and clean when
dust, dirt, oil, moisture or other foreign substances are visible
on its exterior/interior surface. Inspect the air inlet and outlet
openings inside and outside the enclosure to make sure the
air flow is not blocked. 
NOTICE Incorrect treatment of generator can damage it
and shorten its life.
• DO NOT expose generator to excessive moisture, dust,
dirt, or corrosive vapors. 
• DO NOT insert any objects through cooling slots.

Cleaning the Generator

 
WARNING
 Exhaust heat/gases could ignite combustibles
causing a fire, resulting in death or serious injury.
• Keep the area near the generator clean and free of
debris.
NOTICE DO NOT use direct spray from a garden hose to
clean generator. Water can enter the engine and generator
and cause damage.
NOTICE Periodically inspect the engine exterior for
contamination and potential damage from dirt, leaves,
rodents, spider webs, insects, etc. and remove.
1. Push the ON/OFF Switch on the side of the generator to
the "OFF" (0) position.
2. Remove utility power to the generator to de-energize the
battery charger.
3. Remove the roof.
4. Remove the 15 Amp fuse from the fuse holder at top of
the control box.
5. Disconnect the negative (-) cable at the battery.
6. Clean generator as follows: Use a damp cloth to wipe
exterior surfaces clean. Use a soft, bristle brush and
vacuum cleaner to loosen and pick up dirt and debris.
Use low pressure air (not to exceed 25 psi) to blow away
dirt and debris. Clean the air inlets and outlets of any
snow, leaves, or debris. To prevent generator damage
27

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