Install the coupling guard – Goulds Pumps 3796 i-FRAME - IOM User Manual

Page 54

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Couplings must have proper certification to be used in an ATEX classified environment. Use the
instructions from the coupling manufacturer in order to lubricate and install the coupling.

Install the coupling guard

WARNING:

• Never operate the pump without the coupling guard correctly installed.
• 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.

• The coupling used in an Ex-classified environment must be properly certified and must be

constructed from a non-sparking material.

Required parts:

1

2

3

4

5

6

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

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-side end plate in place.

If the pump-side end plate is already in place, make any necessary coupling adjustments and then
proceed to the next step.

If the pump size is... Then...
STi, MTi, LTi

Align the pump-side end plate to the bearing frame. You do not need to

adjust the impeller.
1. Align the end plate on the pump side to the bearing housing so that

you meet these conditions:
a.

The large slots on the end plate do not touch the bearing housing
tap bolts.

b. The small slots align with the impeller adjusting bolts.

2. Fasten the end plate to the bearing housing using the jam nuts on the

impeller adjusting bolts.

3. Check the impeller clearance. Refer to the impeller clearance table for

the correct impeller clearance.

Commissioning, Startup, Operation, and Shutdown (Continued)

52

Model 3796 i-FRAME Installation, Operation, and Maintenance Manual

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