Maintenance Schedule - Briggs & Stratton 194700 Operator Owner's Manual

Maintenance
(see figs.
Also, see Maintenance Schedule. Follow the hourly or
calendar intervals, whichever occur first. More frequent service is
required when operating in adverse conditions.
See any Authorized Briggs & Stratton Dealer for correct
replacement parts (see figs. )
C D
To prevent accidental starting, remove spark plug
Ê
wire and ground it and disconnect battery at
negative terminal, if engine has electric starting
system, before servicing.
Oil service (see fig. )
Check oil level regularly.
Be sure correct oil level is maintained. Check every 5 hours or
daily, before starting engine. See oil filling procedure, Oil
Recommendations .
Change oil.
Change oil after first 5 hours of operation. Change oil while
engine is warm. Refill with new oil of recommended SAE

viscosity grade. (see fig. )
Air cleaner service
Replace oil foam element or pre cleaner, if equipped, or
cartridge if very dirty or damaged.
Air cleaner, oil foam element (see fig.
Ë
1. Lift latch on narrow end of cover. Remove cover.
Ì
2. Remove oil foam element
Wash in liquid detergent and water or kerosene. Squeeze dry
in a clean cloth. Saturate oil foam element in engine oil and
squeeze in a clean cloth to remove excess oil.
3. Install oil foam element in body
lip extends over edge of body to form protective seal
when cover is assembled.)
4. Insert tabs in body on to slots
down on cover until latch snaps into place.
Air cleaner, dual element (see fig.
Ï
1. Remove knob and cover .
2. Carefully remove knob, cartridge
Ñ
, if equipped, to prevent debris from falling into
carburetor.
Ò.
3. Carefully clean base
To service pre cleaner, wash in liquid detergent and water.
Squeeze dry in a clean cloth. Saturate in engine oil. Squeeze in
clean, absorbent cloth to remove excess oil.
To service cartridge, clean by tapping gently on a flat surface.
Do not use petroleum solvents, e.g., kerosene, which will
cause cartridge to deteriorate. Do not use pressurized air,
which can damage cartridge. Do not oil cartridge.
4. Reassemble pre cleaner on cartridge and install
assembly firmly in base and tighten knob securely.
5. Replace cover and tighten knob securely.
Maintenance Cont'd
)
Spark plug service (see fig.
Use only Briggs & Stratton Spark Tester
Replace spark plug every 100 hours or every season,
whichever occurs first. Spark plug wrench is available from any
Authorized Briggs & Stratton Service Dealer.
Note: In some areas, local law requires using a resistor spark
plug to suppress ignition signals. If this engine was originally
equipped with resistor spark plug, use same type of spark plug
for replacement.
Spark plug gap
Keep engine clean (see fig.
Periodically remove grass and chaff build up from engine.
Clean finger guard. Do not spray engine with water to clean
because water could contaminate fuel. Clean with a brush or
compressed air.
If muffler is equipped with spark arrester screen
arrester screen for cleaning and inspection every 50 hours or
every season. Replace if damaged.
)
Clean cooling system. Grass or chaff may clog engine's air
cooling system, especially after prolonged service cutting tall,
.
dry grass. Internal cooling fins and surfaces may require
cleaning to prevent overheating and engine damage. Remove
blower housing to clean areas within heavy line

Maintenance Schedule

Í
. (Install element so
Follow the hourly or calendar intervals, whichever
occur first. More frequent service is required when
Î
in cover and press
operating in adverse conditions noted below.
First 5 Hours
D Change oil
)
Every 5 hours or daily
D Check oil level
Ð
and pre cleaner
D Clean finger guard and around muffler
Every 25 hours or every season
D Change oil if operating under heavy load or high
ambient temperature
D Service air cleaner Oil Foam element or
pre cleaner, if equipped*
D Service air cleaner cartridge if no pre cleaner*
Every 50 hours or every season
D Change oil
D Clean and inspect spark arrester, if equipped.
Every 100 hours or every season
D Service air cleaner cartridge if equipped with
pre cleaner*
D Replace in line fuel filter, if equipped.
D Clean cooling system*
D Clean or replace spark plug
* Clean more often under dusty conditions,or when
airborne debris is present or after prolonged opera
tion cutting tall, dry grass.
)
Ë
, to check for spark.
Ì
should be .76 mm or 0.030 in.
)
Í
Accumulation of debris around muffler
a fire. Inspect and clean before every use.
Î
, remove spark
Replace in line fuel filter (see fig.
tank or close fuel shut off valve before replacing
Ë
fuel filter .
3
Storage
Engines stored over 30 days need to be protected or drained of
fuel to prevent gum from forming in fuel system or on essential
carburetor parts.
For engine protection, we recommend use of Briggs & Stratton
Gasoline Additive
B
Stratton Service Dealer. Mix Additive with fuel in fuel tank or
storage container. Run engine for a short time to circulate
Additive through carburetor. Engine and fuel can be stored up to
24 months.
Note: If Additive is not used or if engine is operating on gasoline
containing alcohol, e.g. gasohol, remove all fuel from tank and
run engine until it stops from lack of fuel.
1. Change oil. See Oil service. (see figs.
2. Remove spark plug and pour about 30 ml (1 oz) of
engine oil into cylinder. Replace spark plug and crank
slowly to distribute oil.
3. Clean grass and chaff from cylinder and cylinder head
could cause
fins, under finger guard and behind muffler.
4. Store in a clean and dry area, but NOT near a stove,
furnace or water heater which uses a pilot light or any
device that can create a spark.
). Drain fuel
Service
See an Authorized Briggs & Stratton Service Dealer. Each one
carries a stock of Genuine Briggs & Stratton Parts and is
equipped with special service tools. Trained mechanics
assure expert repair service on all Briggs & Stratton engines.
Only dealers advertising as Authorized Briggs & Stratton" are
required to meet Briggs & Stratton standards.
Ï
.
When you purchase equipment powered by a
Briggs & Stratton engine, you are assured of
highly skilled, reliable service at more than
30,000 Authorized Service Dealers world
wide, including more than 2,700 Master
Service Technicians. Look for these signs
wherever Briggs & Stratton service is offered.
You may locate your nearest Authorized
Briggs & Stratton Service Dealer in the
Yellow Pages" directory under Engines,

Gasoline" or Gasoline Engines," or Lawn
Mowers" or similar category. Or log on to our dealer locator
map on our web site www.briggsandstratton.com
Note: Walking fingers logo and Yellow Pages" are registered
trademarks in various jurisdictions.
An illustrated shop manual includes Theories of Operation,"
common specifications and detailed information covering
adjustment, tune up and repair of Briggs & Stratton L head,
single cylinder, 4 cycle engines. Order P/N 270962 from an
Authorized Briggs & Stratton Service Dealer.
Insist on Genuine Briggs & Stratton replacement parts with
our logo on the box and/or part. Non original parts may not
perform as well and may void your warranty.
available from an Authorized Briggs &

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