Briggs & Stratton 405700, 406700, 407700, 445700 Air Cleaner, Changing Oil Filter, Oil Pressure

CHANGING OIL FILTER

Change oil filter after every 100 hours or every season.

OIL FILTER

P/N 492932 OR 5049

[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

If oil pressure drops below 4-6 psi (.2-.4 kg/cm2), an oil pressure switch (if engine is equipped) will either activate a warning light 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.

MAINTENANCE

AIR CLEANER

All engines have an air cleaner cartridge. In addition, some engines have a pre-cleaner.

CLEANING PRE-CLEANERS AND CARTRIDGES

CAUTION: Do not use pressurized air or solvents to clean cartridge. Pressurized air can damage cartridge; solvents will dissolve cartridge.

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.

Cartridge

To clean cartridge, gently tap pleated paper side on a flat surface.

REMOVING AND INSTALLING AIR CLEANER

KNOB

COVER

CARTRIDGE

PART NO. 499486

FOAM

PRE-CLEANER

PART NO. 273638

BASE

Dual element air cleaner

[1]Unscrew knobs and remove cover.

[2]Carefully remove air cleaner cartridge and pre-clean- er to prevent debris from entering carburetor.

[3]Reinstall clean (or new) pre-cleaner in base.

[4]Reinstall clean (or new) cartridge on pre-cleaner.

[5]Replace cover and tighten knobs securely.

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