Pump-to-driver alignment, Alignment checks – Goulds Pumps 3355 - IOM User Manual

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Installation

• Two sets of shims or wedges for each foundation bolt

• Two machinist's levels

• Baseplate-leveling worksheet

1. If you use sleeve-type bolts, fill the bolt sleeves with packing material or rags to prevent

grout from entering the bolt holes.

2. Put the sets of wedges or shims on each side of each foundation bolt.

Make sure that the wedges extend 0.75 in. (19 mm) to 1.5 in. (38 mm) above the foundation
to provide adequate space for grouting. The wedges will provide adequate support for the
baseplate after it is grouted.

3. Lower the baseplate carefully onto the foundation bolts.
4. Put the machinist's levels across the mounting pads of the driver and the mounting pads of

the pump.

NOTICE:
Remove all dirt from the mounting pads in order to make sure that you achieve the correct
leveling. Failure to do so can result in equipment damage or decreased performance.

5. Level the baseplate both lengthwise and across by adding or removing shims or moving the

wedges.
These are the leveling tolerances:

• A maximum difference of 0.125 in. (3.2 mm) lengthwise

• A maximum difference of 0.059 in. (1.5 mm) across

You can use the baseplate-leveling worksheet when you take the readings.

6. Hand-tighten the nuts for the foundation.

Pump-to-driver alignment

Precautions

WARNING:

• Follow shaft alignment procedures in order to prevent catastrophic failure of drive components or

unintended contact of rotating parts. Follow the coupling installation and operation procedures from
the coupling manufacturer.

• 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.
• Electrical connections must be made by certified electricians in compliance with all international,

national, state, and local rules.

• Refer to driver/coupling/gear manufacturers installation and operation manuals (IOM) for specific

instructions and recommendations.

NOTICE:
Proper alignment is the responsibility of the installer and the user of the unit. Check the
alignment of frame-mounted units before you operate the unit. Failure to do so can result in
equipment damage or decreased performance.

Alignment checks

When to perform alignment checks

You must perform alignment checks under these circumstances:

• The process temperature changes.

• The piping changes.

• The pump has been serviced.

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Model 3355 Installation, Operation, and Maintenance Manual

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