a) Slightly spread the bottom apart.
b) Lift upwards.
5.
Remove the remaining nut, bolt, and washers from the pump half of the coupling guard (509).
It is not necessary to remove the end plate (234A) from the pump side of the bearing frame. You
can access the bearing-frame cap screws (370N) without removing this end plate (234A) if mainte-
nance of internal pump parts is necessary.
6.
Remove the pump half of the coupling guard (509):
a) Slightly spread the bottom apart.
b) Lift upwards.
508
509
234B
370N
234A
109A
Figure 19: Coupling guard removal
5.3 Check the rotation
WARNING:
•
Starting the pump in reverse rotation can result in the contact of metal parts, heat genera-
tion, and breach of containment. Ensure correct driver settings prior to starting any pump.
•
Failure to disconnect and lock out driver power may result in serious physical injury or
death. Always disconnect and lock out power to the driver before performing any installa-
tion or maintenance tasks.
•
Electrical connections must be made by certified electricians in compliance with all
international, national, state, and local rules.
•
Refer to driver/coupling/gear manufacturer's installation and operation manuals
(IOM) for specific instructions and recommendations.
1.
Lock out power to the driver.
2.
Make sure that the coupling hubs are fastened securely to the shafts.
3.
Make sure that the coupling spacer is removed.
The pump ships with the coupling spacer removed.
4.
Unlock power to the driver.
5.
Make sure that everyone is clear, and then jog the driver long enough to determine that the direc-
tion of rotation corresponds to the arrow on the bearing housing or close-coupled frame.
5.3 Check the rotation
44
Model 3700i API610 / Type OH2 Installation, Operation, and Maintenance Manual