V1.4 19 of 22 04/01/2009
Changing Rotation
Model CC pumps are bi-directional and will work equally well in either direction of rotation
with no modification.
If outfitted with an internal relief valve (model CCV), these pumps become rotational. To
change rotation:
• Remove the four screws holding the relief valve and gasket assembly to the
housing.
• Rotate the relief valve and gasket assembly 180° so that the adjusting screw
points to the new suction side of the pump.
• Replace the four screws.
WARNING!
Failure to follow these instructions could result in serious bodily injury or death.
Do not attempt to work on any Tuthill pump installation before completing the steps below.
Disconnect the drive so that it cannot be started while work is being performed.
Review the Material Data Safety Sheet (MSDS) applicable to the liquid being pumped to determine its
characteristics and the precautions necessary to ensure safe handling.
Vent all pressure within the pump through the suction or discharge lines.
All Tuthill pumps contain residual 200 SSU lube oil from the factory production test. Determine if this is
compatible with the fluid you are pumping. If the fluid is incompatible, consult the factory.
Service - All Models Except CC
Disassembly of Pump
The seal or packing must be removed before the pump can be disassembled.
• Mark the cover, housing and bracket for proper re-assembly.
• Remove the cover screws, cover, housing, idler and rotor from the bracket.
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