Owner manual

Bronze Rotary Gear Pumps
Installation, Operation, and Maintenance Instruction
INTRODUCTION
Congratulations for choosing an Oberdorfer pump,the Industry Standard for quality since 1890.
Construction
Bronze Rotary Gear standard pump housings and helical gears are made of top quality bronze. Shafts are stainless steel. Pumps are available
with bronze bearings and grease fittings or with carbon bearings which require no lubrication. Dynamic seal arrangements include packing,
lip, or mechanical seals for a variety of application requirements. Static cover o-ring seals eliminate gasket problems.
Application Range
Bronze Rotary Gear pumps are of the external gear positive displacement type, displacing a finite volume of fluid with each shaft revolution.
As such, capacity varies in direct proportion to pump speed. They are suited to handle clear lubricating and non-lubricating fluids, with PH
ranging from 4 to 11, and temperatures to 400F. These pumps handle viscous fluids to 100,000 cps (462000 SSU) at reduced shaft speeds, with
flow rates to 175 GPM (662 LPM), differential pressures to 150 psig (10.3 BAR), and suction lift capability to 20 feet (6.1 meters) for new
pumps.
Field Inspection
Bronze Rotary Gear pumps may be readily inspected in the field usually without removal from the drive or system plumbing. Simply remove
the cover screws to pull the cover. Before attempting an inspection, follow safety precautions and be sure to read and understand this
manual.
New Pump Receipt Inspection
Upon receipt, check for obvious shipping damage and completeness to purchase order requirements. Shortages or damage should be reported
immediately to the carrier and to your Oberdorfer distributor. Occasionally during shipment, possible misalignment or other damage
including cracked mechanical seal faces can occur. As such, customers are advised to test the pump with water in a convenient location prior
to installing into the intended system.
Storage
If the pump is to be stored prior to installation, it is recommended that it be left in the original shipping carton with all shipping plugs in
place and stored in a dry environment avoiding temperature variations. Contact the motor manufacturer for specific motor storage
information.
Records
These instructions should be kept in a convenient location for ready reference. The manual should be read carefully by persons responsible
for installation, operation, and maintenance of the equipment. For ease of reference, a copy of the order should be kept with the manual.
Write down the pump model number as shown on the pump nametag, and the date the unit was placed into service.