12
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DO NOT RETURN TO STORE
BrUsH repLACeMeNT
NOTe:
Replace brushes one brush at a time.
Remove the hopper bag from the sweeper.
1.
Loosen hex bolts and lock nuts on two single brush
2.
retainers which clamp one brush to the double brush
retainers. DO NOT loosen or remove bolts which
fasten double brush retainers to brush shaft.
Slide the brush out of the retainers, noting on which
3.
side of the brush the bristles overlap.
Install new brush, making sure the bristles overlap on
4.
the same side of the brush as before.
serViCe ANd AdJUsTMeNTs
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.
DUST
COVER
#12 SCREW
GEAR SPROCKET
RATCHET
SPROCKET
DRIVE
PIN
BRUSH
SHAFT
CHAIN
RETAINING
RING
RETAINING
RING
WASHER
WHEEL
WASHER
HUB CAP
NYLOCK
NUT
WASHER
WASHER
BRUSH ROTATION
BRUSH ROTATION
OVERLAP
BRISTLES
OVERLAP
BRISTLES
SINGLE
BRUSH
RETAINERS
DOUBLE BRUSH RETAINER
BRUSH
SHAFT
FigUre 21
FigUre 22
