Sun Pumps SCP 39-18-75 LC - Manual (Page 4)

11. Now the impeller and the pre-load on the shaft seal
needs to be adjusted. With a large flat point screw
driver, pry the motor shaft coupling toward the
motor until it stops. Then back it off about 1/8”.
12. While holding the pump shaft in position with the
screw driver, insert a 1/8”Allen wrench into one of
the set screws and tighten. You can then remove the
screw driver and tighten the other two set screws.
13. Your pump is now assembled and the impeller and
shaft seal is adjusted properly. It is now ready for
installation.
14. For the 2 HP motors an additional support is required.
This support is not attached to the other support and
should be bolted down to the floor along with the
standard base.
(See yellow arrows.)
2 HP Support
Bolt to floor 4 Plcs.
NOTE: For 2 HP Pumps Only
SCP Series Pump Assembly Instructions