Operat ion and Maintenance M a n u a l
QTS Series Twin Screw Positive Displacement Pump
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Pump General Assembly
The pump uses twin screw rotors, when rotating they move the fluid through the casing. The
elements inside the gearcase are responsible for transmitting the synchronized movement and the
force required for pumping the fluid; gears, bearings, spacers, and shafts are inside the gear
case.
1. Front cover (with port connection,
10
typically inlet)
6
4.
5.
6.
7.
9.
10.
Pump casing
4
Back cover (with port connection,
9
usually outlet)
Gear case
Pump base plate (NEMA/IEC)
Drive shaft
7
Gear case cover
5
Pump Arrangements Assemblies
The QTS Series pumps can be delivered coupled to a drive element in different ways to fulfill
specific application requirements. They can be ordered and delivered as follows:
Pump Only.
In this case the pump is supplied with
a drive shaft for coupling, and does not include
motor/gear-motor, coupling or base.
Pump Coupled to a Motor Assembled on a Base.
This assembly includes a motor with a coupling,
coupling guard, and base.
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Ampco Pumps Company QTS Manual M-030 Rev A 1.16
