Craftsman 917.3875 owner manual To Change Engine OIL, Engine Lubrication, To Clean AIR Filter

Blade adapter

Lockwasher =__

bolt \ T,.=_,j__,.

washerHardened e"_-:J"e'U

TO CHANGE ENGINE OIL

NOTE: Before tipping lawn mower to kCr;"whaftdraina oil, drain fuel tank by running

engine until fuel tank is empty.

1.Disconnect spark plug wire from spark plug and place wire where it cannot

come in contact with spark plug.

2.Remove engine oil cap; lay aside on a clean surface.

3.Tip lawn mower on its side as shown and drain oil into a suitable container. Rock lawn mower back and forth to remove any oil trapped inside of

Bladeadapter engine.

4. Wipe off any spilled oil on lawn mower and on side of engine.

GRASS CATCHER

•The grass catcher may be hosed with water, but must be dry when used.

•Check your grass catcher often for damage or deterioration. Through normal use it will wear. If catcher needs

replacing, replace only with a manufac- turer approved replacement catcher. Give the lawn mower model number

when ordedng.

ENGINE

LUBRICATION

5.Fill engine with oil. (See "Add Oil" in the Operacion section of this manual.)

6.Reconnect spark plug wire to spark plug.

AIR FILTER

Use only high quality detergent oil rated with API service classification SF-SJ.

Select the oirs SAE viscosity grade according to your expected operating temperature.

NOTE: Although multi-viscosity oils (5W30, 10W30 Otc.) improve starting in cold weather, these multi-viscosity oils will result in increased oil consumption when used above 32°F. Check your engine oil level more frequently to avoid possible engine damage from running low on oil.

Change the oil after every 25 hours of operation or at least once a year if the lawn mower is not used for 25 hours in

one year.

Check the crankcase oil level before starting the engine and after each five (5) hours of continuous use. Tighten oil plug securely each time you check the oil level,

Yourengine will not run properly and may be damaged by usinga dirty air filter. Replacethe air filter everyyear, more

oftenif you mowin verydusty,dirty conditions.

TO CLEAN AIR FILTER

1.Loosen screw and tilt cover to remove.

2.Carefully remove cartridge.

3.Clean by gently tapping on a flat surface. If very dirty, replace cartridge.

_kCAUTION: Petroleum solvents, such as kerosene, are not to be used to clean cartridge. They may cause deterioration of the cartridge. Do not oil cartridge. Do not use pressurized air to clean or dry cartridge.

4.Install cartridge, then replace cover making sure the tabs are aligned with the slots in the back plate. Fasten screw securely.

Back

Cover tsbs

12,Cover