Technical Description
Scheduled Maintenance Cards
5
Dual Stage Rotary Vane Pumps User Manual/ 87-900-937-01(L) 105/140
1. Disconnect the flange (28) from the inlet pipe line.
13. Remove the 6 securing screws (17) and remove the two half-
plates (25) pressing the suction flange (28) into its seat.
14. Remove the flange (28) and take out the piston (30) with the
shutter (29) of the anti-suckback device, disengage it by exerting
force on arm (101). Separate the shutter (29) from the piston rod
(30) simply by pulling.
CAUTION!
Be careful not to scratch the sealing surface of the shutter (29).
15. Reassemble by proceeding in the inverse order.
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