Briggs & Stratton 40375 Operator's Manual page 27

Fuel System Inspection and Maintenance
Natural Gas/Propane Fuel System
The fuel system installed on this engine has been designed
to various standards to ensure performance and reliability.
To ensure compliance to these standards, follow the
recommended maintenance schedule contained in this
section.
NOTICE The fuel system components have been
specifically designed and calibrated to meet the fuel system
requirements of the engine. If a fuel system component
fails to operate or develops a leak, it should be repaired or
replaced with the OEM recommended replacement parts.
Pressure Regulator Maintenance and Inspection
the mounting bolts are tight.
Venturi/Throttle Control Device Maintenance and
Inspection
NOTICE A dirty air cleaner may significantly alter the venturi
performance.
mounted.
recommended maintenance schedule found in this
section.
hose for cracking, splitting, or chaffing, Replace if any
of these conditions exist,
Replace if any of these conditions exist.
Exhaust System Maintenance and Inspection
When inspecting the exhaust system, check the following:
and that all retaining bolts and shields (if used) are in
place.
Engine Exterior
Periodically inspect the engine exterior for contamination
and potential damge from dirt, leaves, rodents, spider webs,
insects, etc. and remove.
Service Spark Plugs
Changing the spark plugs will help your engine to start
easier and run better.
1. Clean area around spark plugs.
2. Remove and inspect spark plugs.
3. Check electrode gap with wire feeler gauge and reset
spark plug gap to recommended gap if necessary (see
Specifications).
4. Replace spark plugs if electrodes are pitted, burned
or porcelain is cracked. Use the recommended
replacement spark plugs. See Specifications.
5. Install spark plugs and tighten to 180 in/lbs (20Nm).
When all engine servicing is complete, replace 15 Amp fuse
in control board and reset exercise timer.
When Calling for Assistance
You must have the following information at hand if it is
necessary to contact a local service center regarding
service or repair of this unit:
1. Obtain the unit Model Number and Serial Number from
the unit ID label. See Controls for location of the label
or refer to the information recorded on the inside from
cover of the installation manual.
2. Obtain the engine identification numbers from the
engine label. See the operator's manual for location of
this information.
Storage
The home generator system is designed for long term
service as a backup generator. There is no need to take any
storage precautions. However, if it becomes necessary to
take the system out of service for an extended period, call
Technical Services at 888 575-8226, between 8:00 AM and
5:00 PM CT for specific recommendations.
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