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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 lubrica-
tion.
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 140
0
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.
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.
INSTALLATION INSTRUCTIONS
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.
IMPORTANT OPERATING CONDITIONS
Failure to comply with any of these condi-
tions invalidates the warranty
1. Prior to initial operation, add oil to crankcase so that oil
level is between the two lines on the oil dipstick. DO NOT
OVERFILL. SAE 80 or SAE 90 Industrial Gear oil may
be used. 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.
NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600
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 recom-
mended 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.
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.