15
Correct rotation is right-hand, clockwise when viewed from the motor end. On three
phase close coupled units, remove motor end plug or cover to observe shaft rotation.
To reverse three phase motor rotation, interchange any two power supply leads.
V. Commissioning, Startup, Operation
and Shutdown
Overview
This section covers the basic procedures to use in preparing your pump for startup,
starting, operating and shutting it down. DO NOT CONTINUE UNTIL ALL PARTS
OF THE INSTALLATION PROCESS (SECTION IV) HAVE BEEN COMPLETED.
Priming
Never start the pump until it has been properly primed. Several different methods of
priming can be used, depending upon type of installation and service involved.
Warning: GSP pumps are not self priming and must be fully primed at all times during
operation. Loss of prime can lead to excessive heat and severe damage to the pump and
seal.
Flooded suction:
1. Slowly open the suction valve.
2. Open air vents on the suction and discharge piping until liquid flows out.
3. Close the vent valves.
Suction Lift:
A foot valve and outside source of liquid may be used to prime the pump. Outside
sources of liquid can come from a priming pump, pressurized discharge line, or other
outside supply.
1. Open the discharge connection.
2. Fill the pump casing and suction pipe with liquid by pouring it into the discharge.
3. When full, reattach the discharge connection.
Содержание GSP Series
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