Disassembly; Disassembly Precautions; Tools Required; Drain The Pump - Goulds Pumps 3700 Installation, Operation And Maintenance Manual

Disassembly

Disassembly precautions

WARNING:
• This manual clearly identifies accepted methods for disassembling units. These methods must be
• Always disconnect and lock out power to the driver before you perform any installation or
• Crush hazard. The unit and the components can be heavy. Use proper lifting methods and wear
• The pump can handle hazardous and toxic fluids. Identify the contents of the pump and observe
• A worn pump can have components that have very sharp edges. Wear protective gloves.
NOTICE:
• Make sure that all replacement parts are available before you disassemble the pump for

Tools required

In order to disassemble the pump, you need these tools:
• Allen wrenches
• Brass drift punch
• Cleaning agents and solvents
• Dial indicators
• Drill
• Feeler gauges
• Induction heater
• Lifting sling
• Micrometer
• Open end wrenches
• Press
• Soft face hammer
• Spanner wrench
• Spanning type puller
• Tap
• Torque wrench with sockets

Drain the pump

CAUTION:
• Allow all system and pump components to cool before you handle them to prevent physical injury.
• If your pump is a Model NM3171, NM3196, 3198, 3298, V3298, SP3298, 4150, 4550, or 3107 there
1. Close the isolation valves on the suction and discharge sides of the pump.
Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual
adhered to. Trapped liquid can rapidly expand and result in a violent explosion and injury. Never
apply heat to impellers, propellers, or their retaining devices to aid in their removal unless explicitly
stated in this manual.
maintenance tasks. Failure to disconnect and lock out driver power will result in serious physical
injury.
steel-toed shoes at all times.
proper decontamination procedures in order to eliminate the possible exposure to any hazardous or
toxic fluids. Wear the proper personal protective equipment. Potential hazards include, but are not
limited to, high temperature, flammable, acidic, caustic, explosive, and other risks. You must handle
and dispose of pumped fluid in compliance with the applicable environmental regulations.
overhaul.
is a possible risk of static electric discharge from plastic parts that are not properly grounded. If the
pumped fluid is non-conductive, drain and flush the pump with a conductive fluid under conditions
that will not allow for a spark to be released to the atmosphere.
Maintenance
57