Maintenance
27
Fig. 17: Dismantling/assembling the drive motor at pumps with magnetic coupling
Secure motor with chain hoist.
Remove gas ballast valve 115 from the pump and absorb the operating fluid under-
neath.
Pull off taper pins 344 with a pin puller (tool kit).
Unscrew screws 302.2.
Screw in two guide pins F in place of the two screws 302.2.
Pull off taper pins 344 with a pin puller (tool kit).
Then unscrew the remaining screws 302.5 (5x).
Press cover 10 and motor off evenly with two jack screws W62 and pull off horizontal-
ly;
– loosen the screws 290 at the oil cooler 208 during the releasing process and gently
tilt the oil cooler 208 when passing the fan 195.
NOTICE
Danger of bursting when the motor is removed!
The separating can of the magnetic coupling is made of plastic or ceramics, and can be
destroyed when the motor is pulled off.
Suspend the motor at the eyebolt to the lifting device and pull it off horizontally.
Use jack screws and guide pins.
302.2
10
195
208*
W50
W50
W62
W62
290*
321
176
301
195
302.5
344
191
302.5
115
* parts 208/290
only valid for DUO 255 M
* Teile 208/290
nur für DUO 255 M gültig
