Craftsman 247.27022 manual Lubrication, Engine, Air Cleaner, Spark Plug

Lubrication

See Figure 9 for an illustration of the lube points described below.

Lube

Lube

ube

Engine

any

_1= WARNING: Before performing maintenance on the engine, disconnect the

spark plug wire and the battery to prevent unintentional starting or sparking.

•Change engine oil after first five to eight hours of use, then every 50 hours or every season, whichever comes earlier. Change oil every 25 hours when operating the riding mower under heavy load or in high temperatures.

•Poor engine performance and flooding usually indicate that air cleaner should be serviced. Service

pre-cleaner and the cartridge every 25 hours of use or once every season, whichever comes earlier. Clean more frequently under dusty conditions. Also replace air cleaner parts if these are very dirty.

•The spark plug should be cleaned and the gap

reset every 100 hours of use or once a season, whichever comes earlier.

_ube

before semby)

Viewed from the bottom

Figure 9: Lubrication Chart

•Blade Assembly: Lubricate blade assembly and deck spindle only while reassembling the blade either after sharpening or replacement.

•Pivot Points: Lubricate pivot points with light oil once a season.

•Steering Shaft and Gear: Lubricate steering shaft and spline at least once a season with light oil.

•Lubricate teeth of the external steering gears with automotive multi-purpose grease every 25 hours of operation or once a season.

•Linkage: Lubricate all deck linkage and height adjustment linkage with a light oil.

•Front Wheels: Lubricate front wheels at least once a season with automotive multi-purpose grease.

Cleaning Engine

1.Promptly wipe off any fuel or oil spilled on the machine with clean cloth.

2.Clean the underside of the blade housing after each mowing. Do not let clippings or debris

accumulate around the blade which may cause rust on the deck.

3.Using a brush or cloth, remove grass, chaff or debris from the finger guard on the engine daily to prevent overheating of the engine. Do not clean with a forceful spray of water since water contaminates the fuel system.

4.Keep the throttle linkage, springs and controls free of debris.

5.If engine muffler is equipped with spark arrester screen, remove and clean the screen regularly. Replace if damaged or plugged with debris.Clean muffler area and remove any grass or other debris before operating the unit.

Air Cleaner

Service the air cleaner every 25 hours of operation. Service more frequently if operating under extremely dusty conditions. Locate air cleaner on engine.

1.Remove clamp and pull air cleaner from intake manifold.

2.Replace with air cleaner (Sears part # 698-973).

3.Reassemble the air cleaner.

Spark Plug

1.Clean area around the spark plug base.

2.Remove and inspect the spark plug.

3.Replace the spark plug if electrodes are pitted, burned, or the porcelain is cracked. See Figure 10.

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