Craftsman 536.7974 operating instructions Belt Replacement, Blade Replacement

Z_ CAUTION: Always stop the engine

and disconnect the spark plug wire before

making any repairs to the Edger.

_BELT REPLACEMENT

Your edger is equipped with a V-belt made of a special compound. If the belt becomes worn or breaks, replace it with an orignal

equipment belt as shown in the Repair Parts section of this manual. Never use a

substitute.

• Disconnect the spark plug wire.

•.Drain gasoline and oil from Edger.

•Tip Edger backwards on handle and block top of handle against wall or bench.

•Remove three screws and flatwashers

from the belt guard as shown in figure below.

i •

.=Pulley

BLADE REPLACEMENT

The cutting blade is subject to wear and damage such as nicks and dents. This will not generally affect its function.

This blade is specially designed to not re- quire sharpening. Do not attempt to sharpen this blade. If worn or damaged the blade should be replaced.

CAUTION: When removing or tightening the blade nut, always use the method shown in figure be!ow. The holding wrench must always be positioned on the nut be- hind the cutting blade.

"_ CAUTION: Do not attempt to sharpen this blade. You could cause damage to the blade which could result in breakage and possible user or bystander injury.

To replace the blade, do the following:

•Disconnect spark plug wire.

•Remove the 1/2-20 Iocknut shown in

figure below securing the blade to the drive shaft.

•Remove the blade.

IMPORTANT: Note the position of the

washer and the blade cutting edge to ensure proper re-assembly. The blade is marked THIS SIDE OUT.

Position the replacement blade against the washer on the drive shaft and secure with flange nut. Be sure to tighten nut securely to 40-45 ft. Ibs.

•Reconnect the spark plug wire.

twist

•Push blade bearing housing back towards

engine to compress spring and release tension on belt.

•Remove old belt (carefully note direction of twist around engine pulley).

•While spring is compressed, install new

belt on quill and engine pulleys being sure to twist belt in proper direction as shown in figure above.

NOTE: If belt is not installed properly the blade will not turn in the proper direction and could damage the blade or belt. Refer to

figure above for proper direction of belt travel.

WARNING: Always wear gloves when working on blade, it is sharp.

Tightening

Wrench

Wrench

Blade

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