Checking The Connection Of Motor/Power Supply - Delta Foul V3 Installation And Operating Manual

Sequence
Always reassemble the pump set in accordance with the corresponding general
assembly drawing.
Sealing elements
• Check O-rings for any damage and replace by new O-rings, if required.
• Avoid the use of assembly adhesives, if possible.
Tightening torques
For reassembly, tighten all screws and bolts as specified in this manual.
7.5.2 Reassembling the pump section
7.5.2.1 Fitting the mechanical seal
Observe the following points to ensure trouble-free operation of the mechanical
seal:
• The shaft surface must be absolutely clean and undamaged.
• Immediately before installing the mechanical seal, wet the contact faces with a
drop of oil.
• For easier installation of bellows-type mechanical seals, wet the inside
diameter of the bellows with soapy water (not oil).
Shaft 210, shaft seal ring 420 and rolling element bearings 321.01/02 and baffle
✔
17-5 have been properly fitted in bearing bracket 330.
1. Fit the stationary part of mechanical seal 433.02 correctly in bearing bracket
330.
2. Push the primary ring carefully along the shaft until it rests against the mating
ring, using assembly tool 969 (spare parts set).
3. Press O-ring 412.03 into bearing bracket 330.
4. Fill in oil.
5. Slide the rotating part of mechanical seal 433.02 onto shaft 210.
7.5.2.2 Fitting the impeller
Apply Loctite 243 (or similar) to the shaft stub thread and to the bore of impeller
type F 230 and screw the impeller onto the shaft with a tightening torque of 2.5 Nm.
CAUTION

7.5.3 Checking the connection of motor/power supply

Check the power cables after reassembly. (
Delta Foul V3 Submersible Pump
Incorrect assembly
Damage to the shaft!
 Wait at least 2 hours before starting the pump again.
Section 7.2.1, Page 37)
 
7 Servicing/inspection
Installation and operating manual 43 of 56