Goulds Pumps 3393 - IOM - Manual (Page 39)

Commissioning, Startup, Operation, and Shutdown
Coupling guard assembly
The coupling guard used in an ATEX classified environment must be constructed from a
non-sparking material.
Precautions
WARNING:
• Never operate a pump without a properly installed coupling guard. Personal injury will occur if you
run the pump without a coupling guard.
• Avoid death or serious injury. Assure mechanical seal guard is properly installed using supplied
fastening hardware.
• Always disconnect and lock out power to the driver before you perform any installation or
maintenance tasks. Failure to disconnect and lock out driver power will result in serious physical
injury.
Required parts
These parts are required:
1. End plate, drive end
2. End plate, pump end
3. Guard half, 2 required
4. 3/8-16 nut, 3 required
5. 3/8 in. washer
6. 3/8-16 x 2 in. hex head bolt, 3 required
Install the coupling guard
1. De-energize the motor, place the motor in a locked-out position, and place a caution tag at
the starter that indicates the disconnect.
2. Put the pump-half of the coupling guard in place:
a) Slightly spread the bottom apart.
Model 3393 Installation, Operation, and Maintenance Manual 37