Ruhrpumpen CPP21 - Coupling Guard Assembly

60 / 72
Horizontal End Suction Pump for Chemical Process, ASME B73.1-2001
Installation, Operation, and Maintenance Manual – CPP21
b. Lift the assembly of the power frame and position it over the case shoulder.
Figure 8.43 Positioning the power frame assembly on the case.
c. Position the bolts by hand.
d. Tighten these bolts diagonally (crosswise) to ensure the correct assembly.
• Make sure that the vent of the power frame is oriented towards the discharge
of the pump.
• Inspection point: Rotate the shaft and make sure the wear rings do not make
contact. After positioning the pump horizontally, rotate the shaft to verify again
that the wear rings do not make contact.
8.3.1 Coupling Guard Assembly
Please follow these steps to assemble the coupling guard.
1. Before installing the coupling guard in the pump, the coupling must be properly mounted and aligned.
For more details, see
SECTION 5.2-ALIGNMENT.