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BRUSH REPLACEMENT
NOTE: Brush replacement should be done one brush at a
time.
• Remove the hopper bag from the sweeper.
• Loosen the hex bolts and lock nuts on two single
brush retainers which clamp one brush to the double
brush retainers. Do Not loosen or remove the bolts
whichfasten the double brush retainers to the brush
shaft. See figure 25.
• Slide the brush out of the retainers, noting on which
side of the brush the bristles overlap. See figure 25.
• Install new brush, making sure the bristles ovedap on
the same side of the brush as before. See figure 25.
BRUSH ROTATION
OVERLAP
BRUSH BRISTLES
SHAFT
DOUBLE BRUSI
OVERLAP
BRISTLES
FIGURE 25
BRUSH ROTATION
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 interchangeeble.) Make notes on the
position of washers and snap rings during disassembly.
• Remove the dust cover by removingthe two rivets
whichfasten itto the wheel housing. (Itis not necessary
to remove the dustcover ifyou are onlycleaning and
lubricatingthe chain and sprockets.)
• Remove the retaining dngsand washers which hold the
sprockets onto the shafts.
• Remove the chain and bothsprockets, 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 ligure 26.
• 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 fillthe
ratchet sprocket with grease. Assemble the chain with
both sprockets back ontothe shafts.
• Lightly grease the axle and then reassemble the wheel.
The brushes should rotate only dudng forward rotation
ofthe wheel. Ifthe brushes are driven (rotated) byboth
forward and reverse rotation of the wheel, the drive pin
isjamming in the ratchet gear. Disassemble and clean
and lubricate the drive pin and ratchet gear.
DUST COVER GEAR SPROCKET
\
CHAIN
RATCHET
SPROCKET
FIGURE 26
PIN
Wheels skid when sweeping.
• Brushes set too low.
• Brushes are jammed
• Wheels are jammed.
• Adjust height till brushes are 1/2"
down into grass.
• Stop sweeper. Remove obstruction.
• Remove one wheel at atimeto check
for obstruction or damage. Refer to
Service and Adjustments section.
13
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