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Maintenance
(see figs.
See Maintenance Schedule. Follow the hourly or
calendar intervals, whichever occur first. More frequent
service is required when operating in adverse conditions.
To prevent acci
dental starting, re
move spark plug
wire Ê and ground
it before servicing,
and disconnect battery at negative terminal, if equipped.
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 under 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.
)
Gear reduction, if equipped
Ë
Remove oil fill plug
and oil level plug
every 100 hours of operation or every season. To refill,
pour SAE 30 oil into oil fill hole until it runs out level
check hole. Replace both plugs. Oil fill plug has a vent
Í
hole
and must be installed on top of gear case cover.
Air cleaner service (see fig.
)
Ë
Replace pre cleaner
and/or cartridge
or damaged.
1. Loosen screws. Then remove cover and air
cleaner assembly from base.
2. Remove air cleaner assembly from inside of
cover and disassemble.
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 ALL
EXCESS oil.
To service cartridge, clean by tapping gently on a flat
surface. Do not use petroleum solvents, e.g., kero
sene, which will cause cartridge to deteriorate. Do not
use pressurized air, which can damage cartridge. Do
not oil cartridge.
Í
3. Install retainer
, pre cleaner (screen side of
pre cleaner toward cartridge pleats) and car
tridge in cover.
Î
4. Insert tabs
on cover into slots
Tighten cover screws securely.
Spark plug service (see fig.
)
DO NOT crank engine with spark plug removed. If
engine is flooded, place throttle in FAST and crank until
engine starts.
Ð
Spark plug gap
Clean/replace spark plug every 100 hours or every
season, whichever occurs first. Spark tester and spark
plug wrench are available from any Authorized Briggs
& Stratton Service Dealer.
Note: On Model Series 19E400, 19F400, 19G400
engines use only spark plug, Part No. 496018. On
Model Series 192400, 196400, 197400, 250400,
256400, 257400 engines use standard spark plug, Part
No. 492167 or resistor spark plug, Part No. 802592, as
required.
Note: In some areas, local law requires using a resistor
Ì
. Drain oil
spark plug to suppress ignition signals. If this engine
was originally equipped with resistor spark plug, use
same type of spark plug for replacement.
Keep engine clean (see fig.
Periodically remove chaff and debris build up from
engine. Do not spray engine with water to clean
Ì
if very dirty
because water could contaminate fuel. Clean with a
brush or compressed air.
If muffler is equipped with spark arrester
spark arrester screen for cleaning and inspection every
50 hours or every season. Replace if damaged.
To assure smooth operation, keep governor linkage,
springs and controls
Clean cooling system. Chaff or debris may clog engine's
air cooling system, especially after prolonged operation.
Internal cooling fins and surfaces may require cleaning
Î
to prevent overheating and engine damage. Remove
in base.
blower housing and clean as shown
)
DO NOT check for spark
with spark plug removed.
Use only Briggs & Stratton
Ï
Spark Tester
, to check
for spark.
should be 0.76 mm or 0.030 in.
)
Accumulation of debris around muf
Ë
fler
could cause a fire. Inspect
and clean before every use.
Ì
, remove
Í
free of debris.
Î
Replace in line fuel filter
. Drain fuel
tank or close fuel shut off valve
before replacing filter.
Ï
.
4
Maintenance Schedule
Follow the hourly or calendar intervals, whichever
occur first. More frequent service is required when
operating in adverse conditions noted below.
First 5 Hours
D Change oil
Every 5 hours or daily
D Check oil level
D Clean around muffler, springs and linkage
Every 25 hours or every season
D Change oil if operating under heavy load or
high ambient temperature
D Service air cleaner 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*
D Replace in line fuel filter, if equipped.
D Replace/clean spark plug
D Change gear reduction oil, if equipped
D Clean cooling system*
*
Clean more often under dusty conditions, or
when airborne debris or chaff is present.
Partial List of Genuine Briggs & Stratton Parts
Briggs & Stratton (or equivalent)
Part
Oil (20 oz.)
. . . . . . . . . . . . . . . . . . . . . . . .
Oil (48 oz.)
. . . . . . . . . . . . . . . . . . . . . . . .
Oil pump kit (uses standard electric drill
to remove oil from engine quickly)
Fuel stabilizer (1 oz., 30 ml single use pouch) 992030
Fuel stabilizer (4.2 oz., 125 ml bottle)999005E (5041)
Fuel filter (without fuel pump)
. . . . . .
Fuel filter (with fuel pump)
. . . . .
Air cleaner cartridge
. . . . . . . . . . . . . . . . .
Air cleaner pre cleaner
. . . . . . . . . . . . . . .
Resistor spark plug
. . . . . . . . . . . . . . . . .
(models 19E400, 19F400, 19G400)
Long life platinum spark plug
. . . . . . . . . . . . .
(models 19E400, 19F400, 19G400)
Resistor spark plug (models 192400,
196400, 197400, 250400, 256400, 257400)
Standard spark plug (models 192400,
196400, 197400, 250400, 256400, 257400)
Long life platinum spark plug
. . . . . .
(models 192400,196400,197400,250400,256400,257400)
Spark tester
. . . . . . . . . . . . . . . . . . . . . . . .
Spark plug wrench
. . . . . . . . . . . . .
Spark arrester
. . . . . . . . . . . . . .
Part No.
100005
100028
. . . . .
5056
298090 (5018)
394358 or 493629
492889
496077
496018E
5066
. . . .
802592E
. . . . .
492167
992041 (5062)
19368
89838 (5023)
399541 or 392390
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