Craftsman 900.370511 - Manual (Page 12)

■ Locate your hand in the handle pocket of
the mulch insert, lift and pull out the
mulch Insert completely.
• The rear discharge door Is spring
loaded. When you release It the door will
return to the closed position.
TO fNSTALL MULCH INSERT
■ Shut the mower off, wait until the blade
stops and unplug the mower.
■ Raise the rear door and slide the mulch
Insert into the discharge opening until it
Is firmly in contact with the deck.
• Release the rear door.
Remove square steel washer, plastic
Insulator washer and blade.
TO REMOVE BLADE
• Release Operator Presence Control
Switch to turn mower off, wait for the
blade to stop, and unplug mower!
• Cut a two foot length of 2x4 wood and
use it to keep blade from turning while
removing blade nut.
■ Wear gloves, position wood, and loosen
nut counterclockwise as shown. Remove
TO REPLACE BLADE
• Place blade on shaft so that the blade
edges are parallel with the flat sides of
the shaft. Make sure you place the blade
so that its cutting edges will face the
ground when the mower is running.
• Place plastic insulator washer on shaft
so that two of the washer’s raised edges
fit over the edges of the blade.
• Place square steel washer on shaft so
that flat sides of hole in washer are
paraliel with flat sides of shaft.
• Place blade nut on shaft. Make sure all
parts stay aligned. Position wood to keep
shaft from turning. Securely tighten blade
nut clockwise to 20-30 ft. lbs.
Keep blade sharp for best mower
performance. A dull blade does not cut
grass evenly.
Wear proper eye protection.
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