TECHNICAL RESOURCES
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Vertical Motors
HEADSHAFT COUPLINGS
WITH VERTICAL HOLLOWSHAFT MOTOR:
Impeller adjustment made on adjusting nut above motor (under motor canopy and bolted to top drive coupling).
1. Sleeve type (lineshaft) coupling.
2. Rigid flanged coupling (Type AR).
3. No coupling-straight shaft (not recommended due to difficult Installation/disassembly of head and motor).
WITH VERTICAL SOLID SHAFT MOTOR:
Impeller adjustment made on adjusting plate of coupling with-out removal of motor canopy. (VSS motors also provide a lesser tolerance of shaft run-out which coincides with me-chanical seal recommendations).
1. Adjustable coupling (Type A).
2. Adjustable spacer coupling
(Type AS-recommended for applications with mechani-cal seals. The mechanical seal can be removed without disengaging motor).
