MAINTENANCE

WARNING

ALWAYS disconnect spark plug, de-energize starter, lock and remove safety key BEFORE

performing ANY service to the engine or mower. Traumatic amputation or severe laceration

can result.

CHANGING OIL FILTER (if equipped)

[1]After draining engine of used oil, fill with fresh oil.

[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.

[4]Tighten 1/2 to 3/4 turn more.

[5]Start and run engine at idle to check for leaks.

[6]Stop engine. Re-check oil level. Add oil if required.

AIR CLEANER

All engines have an air cleaner cartridge. The cartridge is either flat or oval (see illustrations). In addition, some engines have a pre-cleaner.

OIL FILTER

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

CARTRIDGE

CARTRIDGE

TABS AND SLOTS

P/N 491588

LIP

 

OR P/N 5043

 

 

PRE-CLEANER

 

 

P/N 493537

 

 

ASSEMBLE SO

 

 

CARTRIDGE LIP

 

 

TOUCHES BASE

 

 

IN DIRECTION

 

BASE

SHOWN

 

COVER

PRE-CLEANER LIP

 

SCREW

 

 

Flat Air Cleaner

REMOVING AND RE-INSTALLING

FLAT AIR CLEANER

[1]Loosen screw and tilt cover down.

[2]Remove air cleaner.

[3]Re-install clean (or new) air cleaner assembly inside cover. Lip of pre-cleaner (if equipped) must be at bottom of cartridge pleats.

[4]Insert cover’s tabs into slots in bottom of base.

[5]Tilt cover up into place and tighten screw.

 

2 SCREWS

 

COVER

PRE-CLEANER

CARTRIDGE

P/N 497725

273185

 

 

ASSEMBLE SO THAT

BASE

CARTRIDGE LIP

 

SITS INSIDE BASE

Oval Air Cleaner

REMOVING AND RE-INSTALLING

OVAL AIR CLEANER

[1]Loosen two screws and lift off cover.

[2]Remove air cleaner assembly (pre-cleaner, if equipped, and cartridge) from base.

[3]Re-install clean (or new) air cleaner assembly in base. Air cleaner must fit securely in base.

[4]Place cover over air cleaner and tighten screws.

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