Briggs & Stratton 81900 - Manual

iBRIGGSlcSTRAnONl MODEL SERIES
80900 to 80996
81900 to 81996
OPERATING AND MAINTENANCE INSTRUCTIONS
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SECTION I
BEFORE STARTING
CAUTION:
1. PROVIDE EFFICIENT VENTILATION. Exh*u$t ptes contain
carbon monoxide which it odorless and a deadly poison.
Proper care must be taken to provide efficient ventilation.
2. DO NOT FlU GASOLINE TANK WHILE ENGINE IS RUN-
NiNG. Avoid spilling psoline on a hot engine — this may
cause an explosion and serious injury.
3. KEEP ENGINE CLEAN. This engine is air-cooled. If cooling
System becomes clogged, serious darnage may result. There­
fore, keep the blower screen, fins on flywheel, cylirtder
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head and block free from grass or dirt.
4 . When tipping engine on tide for service, spark plug must
be in upward position.
5. Be sure nobody is behind you when sUrting engine with
rope starter.
6. ROTARY LAWN MOWERS. Always disconnect spark plug
wire from spark plug before moving mower blade when
cleaning under mower deck or sharpenirtg blade.
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“OIL-FOAM- AIR CLEANER
“Oil-Foam— air cleaners are oiled at the
ftetory and do not require initial serv­
ice.
FILL FUEL TANK
Use clean, fresh, “regular“ grade gaso­
line. Fill tank completely.
CAUTION: The use of old or stale gaso­
line will result in gum deposits clog­
ging the fuel system end carburetor.
Make sure that vent hole in the tank
is open. DO NOT MIX OIL WITH GAS­
OLINE.
FILL SUMP WITH OIL
Ratnovc til« oil filler plug or eil winder
located on bate of engine. Place the
engine level. Fill the eil sump te over­
flowing POUR SLOWLY. CAPACITY
ilk PINTS. Replace the filler plug.
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OIL RECOMMENDATIONS
Any high quality detergent oil'having
the American Petroleum Institute class­
ification “For Service MS" can be used
in your Briggs A Stratton engine. Deter­
gent oils keep the ertgine cleaner and
retard the formation of gum and varn­
ish deposits.
WINTER
(Belew 40* F.)
Uee SAE 5W.20
If net Available
Use SAE low
Abeve 10* F.
SUMMER
(Abeve 40* F.)
Use SAE 30
If net Available
Uee SAE lOWJO
Nothing should be added to t^ rec­
ommended oils.
CHOKE ENSINE — MANUAL TYPE
•E SURE
STOP SWITCH
IS AWAY FROM
SPARK PLU6
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— Vece 1 —
CLOSE
CARBURETOR
CHOKE
Sr PULLING
OUT THE
CHOKE KNOB
FORM NO. 270029-34