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MAINTENANCE
CHANGING OIL FILTER (IF EQUIPPED)
Change oil filter after every 100 hours.
1/2-3/4
TURN
MORE
[1] Drain engine oil and remove oil filter.
[2] Before installing new filter, lightly oil filter gasket
with fresh, clean oil.
[3] Screw filter on by hand until gasket contacts oil
filter adapter. Tighten 1/2 to 3/4 turn more.
[4] Add fresh oil. Fill to FULL line on dipstick.
[5] Start and run engine at idle to check for leaks.
[6] Stop engine. Re-check oil level. Add oil if required.
OIL PRESSURE
Normal warm operating oil pressure for a pressure lube
engine (engine with oil filter) is 10 to 50 psi at normal
operating temperature. If pressure drops below normal
range, stop engine and check oil level with dipstick. If oil
level is between ADD and FULL mark on dipstick, Do not
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.
OIL FILTER P/N
SEE PAGE 16
AIR CLEANER
All engines have an oval air cleaner cartridge. In addition,
some engines have a pre-cleaner.
Pre-cleaner
To clean pre-cleaner (if equipped), separate it from
cartridge and 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.
CAUTION: Do not use pressurized air or solvents to
clean cartridge. Pressurized air can damage
cartridge; solvents will dissolve cartridge.
REMOVING/INSTALLING AIR CLEANER w/o TANK
PRE-CLEANER
and
CARTRIDGE
PART NO. 5052
Dual element air cleaner
[1] Remove knobs and cover.
[2] Slide pre-cleaner off cartridge.
[3] Remove wing nuts, and cartridge plate. Carefully
remove cartridge to prevent debris from entering
carburetor.
[4] Reinstall cartridge and cartridge plate. Tighten wing
nuts securely.
[5] Reassemble pre-cleaner on cartridge.
[6] Replace cover and tighten knobs securely.
12
KNOBS
COVER
WING UNTS
CARBURETOR
PLATE
CARTRIDGE
PART NO. 394019
PRE-CLEANER
PART NO. 272490
CARBURETOR
SHIELD
BODY
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