TapFlo CTV Series, Руководство Iom

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3. MAINTENANCE
IOM manual CTV vertical centrifugal pumps
22
Fig. 3.3.4.2
Unscrew the casing mounting screws [141] with
washers [142].
Fig. 3.3.4.3
Carefully lift off the pump cover [13] together with the
elbow [17] and discharge pipe [12].
Fig. 3.3.4.4
Remove the casing O-ring [18].
NOTE! Always replace the casing O-ring after pump
maintenance.
Fig. 3.3.4.5
Secure the impeller, unscrew the impeller nut [191] and
washer [192], lift off the impeller [9...].
NOTE! If the impeller is hard to unscrew, take of the
motor fan cover and secure the motor shaft (see Fig.
3.3.4.10).
Fig. 3.3.4.6
Unscrew the shaft bushing [15] from the pump casing
unit [11].
Fig 3.3.4.7
Unscrew the motor mounting screws [121] and
washers [122] and carefully pull the pump casing unit
[11] from the motor/shaft assembly.