Craftsman 486.24229 service and adjustments, brush replacement, Sprocket, CHAIN and Pawl Service

service and adjustments

brush replacement

NOTE: Replace brushes one brush at a time.

1.Remove the hopper bag from the sweeper.

2.Loosen hex bolts and lock nuts on two single brush retainers which clamp one brush to the double brush retainers. DO NOT loosen or remove bolts which fasten double brush retainers to brush shaft.

3.Slide the brush out of the retainers, noting on which side of the brush the bristles overlap.

4.Install new brush, making sure the bristles overlap on the same side of the brush as before.

BRUSH ROTATION

BRUSH OVERLAP

SHAFT BRISTLES

SINGLE

BRUSH

RETAINERS

DOUBLE BRUSH RETAINER

OVERLAP

BRISTLES

BRUSH ROTATION

figure 21

Sprocket, CHAIN and Pawl Service

IMPORTANT: Do Not remove both wheels at the same time to avoid mixing of parts. (The R.H. and L.H. ratchet sprockets are not interchangeable.) Make notes on the position of all parts before removing them.

•Remove hub cap, nylock nut and washer on outside of wheel and then remove wheel.

•Remove the dust cover by removing the two #12 screws which fasten it to the wheel housing. (It is not necessary to remove the dust cover if you are only cleaning and lubricating the chain and sprockets.)

•Remove the retaining rings and washers which hold the sprockets onto the shafts.

•Remove the chain and both sprockets, holding them in position and sliding them off both of the shafts. (Look for the drive pin, which may fall out of the brush shaft when the ratchet sprocket is removed.) See figure 22.

•To reassemble, insert the drive pin through the hole at the end of the brush shaft. Make sure the pin slides back and forth easily in the shaft.

•Lightly grease both shafts and the chain, and fill the ratchet sprocket with grease. Assemble the chain with both sprockets back onto the shafts.

•Lightly grease the axle and then reassemble the wheel. The brushes should rotate only during forward rotation of the wheel. If the brushes are driven (rotated) by both forward and reverse rotation of the wheel, the drive pin is jamming in the ratchet gear. Disassemble and clean and lubricate the drive pin and ratchet gear.

		#12 SCREW
			GEAR SPROCKET
	DUST		WASHER
	COVER		RETAINING
BRUSH
			RING	NYLOCK
SHAFT
				NUT
DRIVE
PIN
RATCHET	CHAIN
SPROCKET
WASHER
RETAINING
RING		WASHER
		WHEEL	WASHER
				HUB CAP

figure 22

12	Call 1-866-576-8388 for missing parts or assembly help
	DO NOT RETURN TO STORE