Fuel System Inspection And Maintenance - Briggs & Stratton 040517 Manual Del Operador

Fuel System Inspection and Maintenance

Natural Gas / Propane Fuel System
The fuel system installed on this industrial 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.
Pressure Regulator Maintenance and
Inspection
If the regulator fails to operate or develops a leak, it should
be repaired or replaced with the OEM recommended
replacement parts.
Venturi / Throttle Control Device Maintenance
and Inspection
NOTICE The venturi and throttle body components have
been specifically designed and calibrated to meet the fuel
system requirements of the engine.
NOTICE A dirty air cleaner may significantly alter the venturi
performance.
When inspecting the venturi and throttle body, check for the
following items:
• Leaks at all fittings.
• Ensure the venturi and throttle body are securely
mounted.
Exhaust System Maintenance and Inspection
When inspecting the exhaust system, check for the following
items:
• Inspect exhaust manifold at the cylinder head for leaks
and that all retaining bolts and shields (if used) are in
place.
Engine Exterior
Periodically inspect the engine exterior for contamination and
potential damage from dirt, leaves, rodents, spider webs,
insects, etc. and remove.
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.
When inspecting the regulator, check for the following
items:
• Check for any fuel leaks at the inlet and outlet
fittings.
• Check for any fuel leaks in the regulator body.
• Check to ensure the regulator is securely mounted
and the mounting bolts are tight.
• Check the regulator for external damage.
• Inspect air cleaner element according to the
recommended maintenance schedule found in this
section.
• Check fuel lines for cracking, splitting, or chaffing,
Replace if any of these conditions exist.
• Check for leaks at the throttle body and intake
manifold.
• Inspect manifold to exhaust pipe fasteners to ensure
they are tight and that there are not exhaust leaks.
Repair as necessary.
• Inspect exhaust pipe connection for leaks. Repair as
necessary.
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