Summit 2175 L, Инструкция по установке, эксплуатации и обслуживанию

Страница: 16 / 44

INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
10 SUMMIT PUMP MODEL 2175

Operation in reverse rotation may dislodge
impeller causing severe damage to impeller
and/or casing
5. Reinstall the coupling and coupling guard.
5.3 IMPELLER CLEARANCE
Impeller clearance is the measurement between the impeller vanes and the surface of
the casing. This clearance is set at .015 inches during assembly, but may need to be
adjusted before initial startup. (See APPENDIX A for detailed procedures on setting the
impeller clearance).
5.4 PRIMING
Prior to starting a centrifugal pump, it is imperative that you prime the pump by flooding
the suction piping and casing with fluid. Priming will occur when you open the suction
isolation valve and the packing sealing liquid valve.

Do not operate pump without liquid in
casing

Flush line for to stuffing box must be
running before starting pump
5.5 START UP
TO START UP THE PUMP
1. Rotate the pump by hand, making sure that the rotating element is spinning freely.
2. Be sure the suction valve is open.
3. Partially close the discharge valve.

Open discharge valve after starting pump.
Not doing so could cause dangerous heat
build up
4. Unlock power to the pump driver.