Bissell 1620 User Manual page 15

To Install The Replacement Pump & Brush Belts
With the unit still on its side, loop one end of the replacement
1.
Pump Belt around the red Pump Pulley and the other end around
the silver motor shaft (see illustration). Do not twist the replacement
Pump Belt.
Re-install the "toothed" Brush Belt first onto the red Pump Pulley
2.
and then onto the "toothed" end of the Brush (see illustration).
Re-install the Brush into the base of the unit. (see illustration)
3.
Place the black brush arm onto the Brush and slide black brush
4.
arm into original position (see illustration).
1
Silver
Motor
Shaft
2
3
4
15