Hydromatic SKV40, Installation And Operation Manual And Parts, Page: 4 / 8

5. Make sure that the shaft is clean.
6. Hold the shaft with a screwdriver and start the impeller
on the shaft one or two turns.
7. Add a drop of Loctite #277 to the threads and screw the
impeller on the rest of the way hand tight.
The impeller will force the ceramic seal into position.
NOTICE: Excessive Loctite on the seal or bearing will cause
the shaft to seize.
8.
Remove the old square-cut O-ring and install the new
O-ring. Avoid rolling the O-ring into position; lubricate and
stretch the new O-ring to fit.
9. Install the seal plate on the volute with the three
capscrews.
10. Fasten the motor leads inside the motor housing and
tuck the wires up into the housing to prevent contact with
the rotor.
11. Assemble the motor housing to the seal plate with three
capscrews.
12. Check for seal leaks by pressurizing the pump to 7 to 9
PSI. If air bubbles continue, recheck seals.
13. Fill the motor housing with high-grade transformer oil.
14. Adjust oil level to at least 1/4" (6mm) above the motor
windings top plate or to the top of the stator.
NOTICE: Do not fill the motor housing completely. Allow air
space for expansion.
15. Replace the oil fill plug.
16. Recheck winding resistance before applying power.
17. Plug the power cord into a grounded outlet and check the
pump operation. Motor should run smoothly and be free
of vibration.
4
Shaft Seal
Seal Plate
Impeller
V ol u te
Motor Ho u sing
S qu are-C u t O-Ring
Oil Fill
Pl
u g
Capscre w s
Capscre w s
Capscre w s
Pump Disassembly