Briggs & Stratton Portable Generator Operator's Manual page 18

Clean Cooling S ystem
Over t ime debris m ay accumulate incylinder cooling f insand
cannot beobserved without partial engine d isassembly. For
thisreason, werecommend youhave anauthorized service
dealer clean t hecooling s ystem (A)perrecommended
intervals (see
MaintenanceSchedule in the Maintenance
section). Equally important is to keep top of engine free from
debris. Also see Cleaning.
\
Check Valve Clearance
Regular valve clearance check and adjustment will improve
performance and extend engine life. This procedure cannot
be done without partial engine disassembly and the use of
special tools. For this reason we recommend that you have
an authorized Service Dealercheck and adjust valve
clearance at recommended intervals (see Maintenance
Schedule in the Maintenance section).
Carburetor Adjustment
The carburetor on this engine is low emission. It is equipped
with a non-adjustable idle mixture valve. Top speed has been
set at the factory. If adjustment is required, see an
authorized service dealer.
_. CAUTION: Excessively high operating speeds increase
risk of injury and damage to generator.
Excessively low speeds impose a heavy load.
• DO NOTtamper with governed speed. Generator supplies
correct rated frequency and voltage when running at governed
speed.
• DO NOTmodify generator in any way.
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18 BRIGGSandSTRATTON.COIVl