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Pump-to-driver alignment, Alignment checks – Goulds Pumps 3600 - IOM User Manual

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Installation

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 methods

Three common alignment methods are used:

• Dial indicator

• Reverse dial indicator

• Laser

Follow the instructions from the equipment manufacturer when you use the reverse dial
indicator or laser methods. Detailed instructions for using the dial indicator method are
contained in this chapter.

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.

Types of alignment checks

Type of check

When it is used

Initial alignment (cold alignment)

Prior to operation when the pump and the driver are at ambient

check

temperature.

Final alignment (hot alignment)

After operation when the pump and the driver are at operating

check

temperature.

Initial alignment (cold alignment) checks

When

Why

Before you grout the baseplate

This ensures that alignment can be accomplished.

After you grout the baseplate

This ensures that no changes have occurred during the grouting
process.

After you connect the piping

This ensures that pipe strains have not altered the alignment.
If changes have occurred, you must alter the piping to remove pipe
strains on the pump flanges.

Model 3600, API 610 8th, 9th, 10th & 11th Editions (ISO 13709) Installation, Operation, and Maintenance Manual

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