Bissell 1858 series User Manual page 18

Maintenance:
or Brush Rolls (continued)
6
Spin either brush. If they both spin,
continue to Step 7.
If only one spins, the opposite belt is
broken and you must remove both
brushes and replace the Small Cogged
Brush Belt.
Place the new belt around both brush
gears and slide them onto the thin
metal axles.
8
Return the Brush Cover.
Make sure that the brushes
are aligned and the cover
is secure.
18
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Replacing Small Belt, Large Belt,
7
To replace the Cogged Large Pump
Belt, make sure your Revolution is
completely reclined. Begin by wrapping
the Cogged Large Pump Belt around
the small metal-toothed pulley. While
wrapped around the pulley, stretch and
wrap around the nearest brush gear.
9
Return the Belt/Brush
Access Plate to the end of
the brush rolls by securing
with the 3 screws.
10
Turn the machine
to lay on its back.
Lastly, slide the Belt
Access Door back into
place. You should hear
it "click" into place.