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Installation of the Giant Industries, Inc., pump is not a
complicated procedure, but there are some basic steps
common to all pumps. The following information is to
be considered as a general outline for installation. If
you have unique requirements, please contact Giant
Industries, Inc. or your local distributor for assistance.
1. The pump should be installed flat on a base to a
maximum of a 15 degree angle of inclination to ensure
optimum lubrication.
2. The inlet to the pump should be sized for the flow rate
of the pump with no unnecessary restrictions that can cause
cavitation. Teflon tape should be used to seal all joints. If
pumps are to be operated at temperatures in excess of 160
F, it is important to insure a positive head to the pump to
prevent cavitation.
3. The discharge plumbing from the pump should be
properly sized to the flow rate to prevent line pressure loss
to the work area. It is essential to provide a safety bypass
valve between the pump and the work area to protect the
pump from pressure spikes in the event of a blockage or
the use of a shut-off gun.
Finally, remember that high pressure operation in a pump system has many advantages. But, if it is used carelessly
and without regard to its potential hazard, it can cause serious injury.
IMPORTANT OPERATING CONDITIONS
1. Prior to initial operation, add oil to the crankcase so that
oil level is between the two lines on the oil dipstick. DO
NOT OVERFILL.
Use SAE 80-90W or Giant's p/n 01154
Crankcase oil should be changed after the first 50
hours of operation, then at regular intervals of 500 hours or
less depending on operating conditions.
INSTALLATION INSTRUCTIONS
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Failure to comply with any of these conditions invalidates the warranty.
4. Use of a dampener is necessary to minimize
pulsation at drive elements, plumbing, connections,
and other system areas. The use of a dampener with
Giant Industries, Inc. pumps is optional, although
recommended by Giant Industries, Inc. to further reduce
system pulsation. Dampeners can also reduce the severity
of pressure spikes that occur in systems using a shut-off
gun. A dampener must be positioned downstream from the
unloader.
5. Crankshaft rotation on Giant Industries, Inc. pumps
should be made in the direction designated by the arrows
on the pump crankcase. Reverse rotation may be safely
achieved by following a few guidelines available upon
request from Giant Industries, Inc. Required horsepower
for system operation can be obtained from the charts on
pages 3-5.
6. Before beginning operation of your pumping system,
remember: Check that the crankcase and seal areas have
been properly lubricated per recommended schedules. Do
not run the pump dry for extended periods of time.
Cavitation will result in severe damage. Always remember
to check that all plumbing valves are open and that pumped
media can flow freely to the inlet of the pump.
2. Pump operation must not exceed rated pressure, volume,
or RPM. A pressure relief device must be installed in the
discharge of the system.
3. Acids, alkalines, or abrasive fluids cannot be pumped
unless approval in writing is obtained before operation
from Giant Industries, Inc.
4. Run the pump dry approximately 10 seconds to drain
the water before exposure to freezing temperatures.
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