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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 restric-
tions that can cause cavitation. Teflon tape should
be used to seal all joints. If pumps are to be oper-
ated at temperatures in excess of 140
o
F, it is impor-
tant 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
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. Use Giant
Recommended Oil (p/n 01154), which is equiva-
lent to SAE 85-90W Industrial Grear Lube. Crank-
case oil should be changed after the first 50 hours
of operation, then at regular intervals of 500 hours
or less depending on operating conditions.
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 un-
loader.
5. Crankshaft rotation on Giant Industries, Inc.
pumps should be made in the direction desig-
nated 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 & 6.
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.
Finally, remember that high pres
sure operation in a pump system has many
advantages. But, ifit is used carelessly
and without regard to its potential hazard,
it can cause serious injury.
NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600.