DODA Super 120, Use And Maintenance Manual

Page: 14 / 44

11. INSTRUCTIONS FOR DISMANTLING AND
RE-ASSEMBLING THE PUMP
pg. 12
To remove the impeller, tighten two bolts in the
holes “A” shown in the picture, until the
complete ejection of the impeller itself.
The counter-impeller (pressure plate) must be re
-assembled with the wider part closest to body
outlet (as shown in fig.19)
When assembled, the reverse-impeller should
skim the impeller vanes (as close as possible
without touching it of the wider side and as far
away as possible on the opposite side).
fig. 18
fig. 19
To dismantle the pump body follow the numerical progression as shown in the
parts vew. Dismantle fixed blades (1) first and other components afterward.
The rotating chopper blade (2) spins off counter clockwise.
#’s on bearings go towards
chopper blade
Widest part of pressure plate
goes here, nearest the discharge