MSD
TM
Series
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7. Inspect the exible coupling radial and axial
t. It should have little or no movement and
be slightly more loose than the motor shaft
t. It should also slide smoothly on and o
the pump shaft.
Figure 41 - Check Flex Coupling Fit On Shaft
PPLY SYSTEM COMPLIANT
NTI-SEIZE COMPOUND
Figure 40 - Check Flex Coupling Fit On Shaft
NOTES: Apply system compliant anti-seize
compound on the motor shaft and in the pump
shaft keyway and install the pump shaft key.
6. Slide the exible coupling over the pump
shaft with the pump shaft key.
NOTES: The rounded end of the key must be
placed in the rounded end of the keyway.
Pump Assembly Continued
LITTLE OR
NO MOVEMENT
LITTLE OR
NO MOVEMENT
LITTLE OR
NO MOVEMENT
LITTLE OR
NO MOVEMENT
SMOOTH MOVEMENT