Moro PM 80A - REPLACEMENT OF THE VANES; DIMENSIONS OF VANES; REPLACEMENT OF THE RUBBER BALL; REPLACEMENT OF THE GEARS (VERSION...AM)

Rev. 00 of 01.01.2009 25 / 29
REPLACEMENT OF THE VANES
 Verify if there is enough space to perform this operation with pump mounted, otherwise
remove the pump from the support where it is fastened.
 Remove the pump endplate (whichever side is most convenient).
 Remove the vanes from the rotor.
 Clean the vacuum pump.
 Replace the vanes.
 Refit the endplate of the vacuum pump replacing all gaskets and seals.
11.3.4 DIMENSIONS OF VANES
MODEL
NUMBER OF
BLADES
DIMENSIONS OF BLADES
(inch)
AIR 60 A…
6
11.023 x 2.716 x 0.295
AIR 70 A…
6
14.173 x 2.716 x 0.295
AIR 80 A…
6
17.716 x 2.716 x 0.295
(Table 8)
11.4 REPLACEMENT OF THE RUBBER BALL
 Unscrew and lift the manifold.
 Replace the rubber ball.
 Close the manifold (replace all gaskets and seals).
11.5 REPLACEMENT OF THE GEARS (VERSION …AM )
 Unscrew the screws of the gearbox cover.
 Remove the gearbox cover
 Remove the gear with taper shaft using a puller if required.
 Pinion: unscrew the self-locking nut, use a puller or press.
 Replace gears as necessary (replace all gaskets and seals).
11.6 TECHNICAL SERVICE
For technical service and purchase of accessories and spare parts, contact the supplier of
the equipment.