Maintenance Schedule - Briggs & Stratton 290000 Operating & Maintenance Instructions

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
connect battery at negative terminal, if equipped.
Oil service (see fig. )
Check oil level regularly.
Be sure correct oil level is maintained. Check every 8 hours or
daily, before starting engine. See oil filling procedure, Oil
Recommendations .
Change oil.
Change oil after first 8 hours of operation. Change oil while
engine is warm. Refill with new oil of recommended SAE

viscosity grade. (see fig. )
Ë
Change oil filter , if equipped.
Replace oil filter after every 100 hours of operation or every
season, whichever occurs first. Before installing new filter,
lightly oil filter gasket with fresh, clean engine oil. Screw filter
on by hand until gasket contacts oil filter adapter. Tighten 1/2 to
3/4 turn more. Start and run engine at IDLE to check for oil
leaks. Stop engine. Recheck oil level and add oil if required.
Oil pressure
If oil pressure drops below 1 4 psi (.1 .2 kg/cm
pressure switch (if engine is equipped) will either activate a
warning device or stop the engine. Check oil level with dipstick.
If oil level is between ADD and FULL mark on dipstick, do not
try to restart engine. Contact an Authorized Briggs & Stratton
Service Dealer. Do not operate engine until oil pressure is
corrected.
If oil level is below ADD mark on dipstick, add oil to bring level to
FULL mark. Restart engine and check oil pressure. If pressure is
normal, continue to operate engine.
Note: Oil pressure gauge, if engine is equipped, is supplied
by manufacturer of equipment.
Air cleaner, dual element (see fig.
1. Unhook clips on sides of cover and remove cover.
Ë
2. Carefully slide pre cleaner off cartridge
3. Remove knob and plate. Carefully remove cartridge to
prevent debris from entering carburetor
Replace pre cleaner, if equipped, or cartridge if very dirty or
damaged.
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. Reinstall cartridge, plate and knob.
5. Reassemble pre cleaner on cartridge.
6. Replace cover and fasten clips.
Maintenance Cont'd
)
Spark plug service (see fig.
To prevent acciden
tal starting, remove DO NOT crank engine with spark plug removed. If engine is
spark plug wire Ê flooded, place throttle in FAST and crank until engine starts.
and ground it before
Spark plug gap
servicing, and dis
Replace spark plugs every season. Spark tester and spark
plug wrench are 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.
Keep engine clean (see fig.
Periodically remove grass/chaff buildup from engine. Do not
spray engine with water because water could contaminate
fuel. Use a brush or compressed air.
Keep linkage, springs and controls
If muffler is equipped with spark arrester screen
arrester screen for cleaning and inspection every 50 hours or
every season. Replace if damaged.
2
), an oil
Clean oil cooler
equipped.
Grass or chaff may clog engine's air cooling system, especially
after prolonged service cutting tall, dry grass. Every 100 hours
or every season, clean internal cooling fins and surfaces to
prevent overheating and engine damage. Remove blower
housing to clean areas shown
Check valve clearance (intake and exhaust .10 .15mm)
)
Ì
.
.
)
DO NOT check for spark with
spark plugs removed. Use only
Briggs & Stratton Spark Tester
Ë, to check for spark.
Ì
should be .76 mm or 0.030 in.
)
Accumulation of debris around exhaust
Í
manifold/muffler could cause a fire.
Inspect and clean before every use.
Í
free of debris.
Î
, remove spark
Ï
Replace in line fuel filter every season.
Drain fuel tank or close fuel shut off valve
before replacing filter.
Ð
every 100 hours or every season, if
Ñ
.
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 8 Hours
D Change oil
Every 8 hours or daily
D Check oil level
D Clean around muffler, linkage and springs
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 oil filter, if equipped
D Clean oil cooler, if equipped*
D Clean cooling system*
Every season
D Replace spark plugs
D Replace in line fuel filter
D Check valve clearance
* Clean more often under dusty conditions, or when
airborne debris is present or after prolonged opera
tion cutting tall, dry grass.
Partial List of Genuine Briggs & Stratton Parts
Briggs & Stratton (or equivalent)
Part
Oil (20 oz.) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil (48 oz.) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil filter (6 cm long) . . . . . . . . . . . . . . . . .
Oil pump kit (uses standard electric drill
to remove oil from engine quickly)
Fuel stabilizer (1 oz., 30 ml single use pouch)
Fuel stabilizer (4.2 oz., 125 ml bottle) . . . .
Fuel filter (without fuel pump) . . . . . . . . . .
Fuel filter (with fuel pump) . . . . . . . . . . . . . . . . .
Air cleaner cartridge . . . . . . . . . . . . . . . . . . . . . .
(all models except model 380000)
Air cleaner pre cleaner . . . . . . . . . . . . . . . . . . . .
(all models except model 380000)
Air cleaner (cartridge and pre cleaner kit)
(all models except model 380000)
Air cleaner cartridge (model 380000) . . . . . . . . . .
Air cleaner pre cleaner (model 380000)
Resistor spark plug . . . . . . . . . . . . 491055E or 496018E
Long life platinum spark plug . . . . . . . . . . . . . . . . .
(used on most OHV engines)
Spark tester . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spark plug wrench . . . . . . . . . . . . . . . . . . . . . . . .
Spark arrester . . . . . . . . . . . . . . . . . . . . . . . . . .
Part No.
100005
100028
492932 (5049)
. . . . . . . . . 5056
. . . . 992030
999005E (5041)
298090 (5018)
493629
394018
272490
. . . . . . . . . 5050
692519
. . . . . . . . 692520
5066
19368
19374
392390