6
QIS SERIES-M
03
OPERATION AND MAINTENANCE MANUAL
QIS SERIES
Centrifugal Pump
The pump unit, as received from the factory, is ready for
installation. To install it, attach a hoist if necessary, loosen the set
screws in the adjusting leg brackets, and individually adjust the
legs until the pump is leveled. Tighten the set screws.
Attach the suction and discharge piping. Be sure suction and
discharge piping is properly supported to avoid any strain on the
pump casing.
ASSEMBLY PRELIMINARIES
Before beginning the assembly procedure identify every element that is going to be installed, you
can use the exploded view and part list shown in pages 7 and 8. During the assembly you may
need the following tools:
1. 1”, 3/4”, 9/16” and 1/2” Wrenches.
2. 3/16” and 1/4” Allen wrenches.
3. Rubber mallet.
4. Shims with different thicknesses: 0.005”, 0.010” and 0.020”.
5. Ratchet handle and sockets 5/8” and 7/8”, – for impeller nut.
6. 3/8” diameter steel rod – to avoid the stub shaft from turning.
7. Torque Wrench.
WARNING
Before servicing pump, disconnect electrical
power source, carefully relieve all pressure
and drain all fluids from pump and connected
piping.
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