GRISWOLD PUMP COMPANY Introduction Page 5
Installation, Operation and Maintenance Manual
Griswold Model 811
Griswold Pump Company Introduction Page 7
If procedures outlined in this manual are not followed, personal injuries may result.
Storage
If pumps are to be stored prior to installation, they should be kept in a clean, dry environment.
Depending upon the duration of the storage, it may be necessary to apply preservatives and to
perform routine maintenance such as regularly rotating shafts to prevent flat spots from forming
on the bearings in both the pump and driver. If pumps are to be stored for more than 4-6 months
prior to installation and/or start-up, follow recommendations listed below.
Storage for more than 4-6 months will require pumps to be prepared for long-term storage.
Preservative treatment should be added to the power frame to aid against condensation and rust.
Treatment shall be similar to Royal Purple VP Preservative Oil #10. All machine surfaces that
are not painted or not of corrosion resistant material shall be coated with a light coat of machine
oil or grease. The pump and motor shaft should be turned several rotations every 3 months or
less and left 90 degrees from the original position. Store in a dry protected location insuring that
flange covers are left in place and all openings are plugged.
Similarly, if the pump is to be installed and then started at a later date, it may be advisable to
protect the pump during the idle time, especially if it’s to be exposed to the elements.
Safety
Griswold pumps have been designed and manufactured for safe and reliable operation when
properly applied, operated and maintained in accordance with this instructional manual. Your
safety is a primary concern for Griswold Pump, so we offer the following recommendations:
General Safety Precautions
Never apply heat to remove an impeller.
Trapped liquid, when heated, may cause an
explosion.
Always wear personal protective gear – safety
glasses, steel-toed shoes, gloves, etc., when
working on the pump.
Never use heat during the dis-assembly of the
pump. Trapped liquid, when heated, may cause
an explosion.
Always lock out the driver before performing
maintenance on the pump.
Never operate the pump without the coupling
guard in place.
Never operate the pump with safety devices
disengaged.
Never operate the pump beyond the service
conditions for which it was sold.
Always follow established decontamination
procedures before working on the pump.
Always start the pump only with proper prime.
Never run the pump dry.
Never operate the pump without the suction
valve fully open.
Never operate the pump with a fully-closed
discharge valve. If the pump is operated with
no flow, its temperature will increase and
damage may result.
WARNING
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