3 General
3.1 Importance of instructions
The design, material, and workmanship incorporated into the construction of Goulds pumps make
them capable of giving long, trouble-free service. The life and satisfactory service of any mechanical unit,
however, are enhanced and extended by correct application, proper installation, periodic inspection, and
careful maintenance. This instruction manual was prepared to assist operators in understanding the con-
struction and correct methods of installing, operating, and maintaining these pumps.
Study thoroughly
tions and carefully follow the instructions for installation and operation. Sections
7 Disassembly and reassembly on page 18
, and
9.1 Ordering spare parts on page 33
are answers to trouble and maintenance questions.
Keep this instruction manual handy for reference. Further information can be obtained by contacting your
local branch office or the Engineered Products Division, Goulds Pumps, Inc., Seneca Falls, New York
13148.
3.2 Special warnings
Goulds Pumps, Inc. will not be liable for any damages or delay caused by failure to comply with the pro-
visions of this instruction manual. This pump is not to be operated at speeds, working pressures, dis-
charge pressures or temperatures higher than, nor used with liquids other than, stated in the original or-
der acknowledgement without written permission of Goulds Pumps, Inc.
3.3 Receiving inspection shortages
Care should be taken when unloading pumps. If
shipment is not delivered in good order and in accordance with the Bill-of-Lading, note the damage or
shortage on both receipt and freight bill. Make any claims to the transportation company promptly. In-
struction sheets on various components, as well as the Instruction Book for the pump, are included in the
shipment - Do not discard.
3.4 Preservation and storage
GouIds normal domestic storage preparation is suitable for protecting the pump during shipment in cov-
ered trucks. It also provides protection during covered storage at the jobsite, and for a short period be-
tween installation and start-up.
CAUTION:
The Model 3935 is flushed with ethylene glycol at the factory and should be thoroughly flushed
for 30 minutes prior to installation in the customer's system. A caution tag has been affixed to
the pump regarding the instructions. Once the pump is flushed with water, it should be kept
completely filled to minimize rust formation.
3.5 Handling techniques
Care should be used in moving pumps. Where required by size of units, slings should be put under both
pump and motor.
3 General
Model 3935 Installation, Operation and Maintenance Instructions
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