Giant GP8045 installation instructions Installation Instructions, Important Operating Conditions

INSTALLATION INSTRUCTIONS

Installation of the Giant Industries, Inc., pump is not a	5. Crankshaft rotation on Giant Industries, Inc.
complicated procedure, but there are some basic steps	pumps should be made in the direction designated by
common to all pumps. The following information is to be	the arrows on the pump crankcase. Reverse rotation
considered as a general outline for installation. If you	may be safely achieved by following a few guidelines
have uniquerequirements, pleasecontactGiantIndus-	available upon request from Giant Industries, Inc.
tries, Inc. or your local distributor for assistance.	Required horsepower for system operation can be
1. The pump should be installed flat on a base to a	obtained from the charts on pages 3 and 6.
maximum of a 15 degree angle of inclination to ensure	6. Before beginning operation of your pumping
optimum lubrication.	system, remember: Check that the crankcase and seal
	areas have been properly lubricated per recom-
2. The inlet to the pump should be sized for the flow rate	mended schedules. Do not run the pump dry for
of the pump with no unnecessary restrictions that can	extended periods of time. Cavitation will result in
cause cavitation. Teflon tape should be used to seal all	severe damage. Always remember to check that all
joints. If these pumps are to be operated at temperatures	plumbing valves are open and that pumped media
in excess of 86o F, it is important to insure a positive head	can flow freely to the inlet of the pump.
to the pump to prevent cavitation.
3. The discharge plumbing from the pump should be		The service life of the seals is
	maximized if a minimal amount of leakage is
properly sized to the flow rate to prevent line pressure
	present. A few drops of water can drip from
loss to the work area. It is essential to provide a safety
	each plunger every minute. Leakage has to be
bypass valve between the pump and the work area to
	examined every day; the plunger seals must be
protect the pump from pressure spikes in the event of a
	changed should leakage become excessive
blockage or the use of a shut-off gun.
	(=constant dripping).
4. Use of a dampener is necessary to minimize pulsation
	Finally, remember that high pressure operation in a
at drive elements, plumbing, connections, and other
	pump system has many advantages. But, if it is
system areas. The use of a dampener with Giant Indus-
	used carelessly and without regard to its potential
tries, Inc. pumps is optional, although recommended by
	hazard,	it can cause serious injury.
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.
	4. Run the pump dry approximately 10 seconds to
IMPORTANT OPERATING CONDITIONS	drain the water before exposure to freezing tempera-
Failure to comply with any of these condi-	tures.
tions invalidates the warranty	5.	The pump and cooling system must
1. Prior to initial operation, add oil to crankcase so that	be emptied if there is a danger of frost. Note that
	travel wind, for example, can cause water in pumps
oil level is between the two lines on the oil dipstick. DO
	fitted on open vehicles to freeze even if the outside
NOTOVERFILL.
	temperature is above freezing point.
Use Industrial synthetic gear lube oil (ISO VG 220),
such as Mobil Gear 630, Shell Oamala oil 220 or	To empty the cooling circuit, remove the L-joints
TexacoMeropa220.
	(K11) on the pump head (50). Blow out the circuit
Crankcase oil should be changed after the first 50 hours
	liquid at the joint connection (K11/K7) using
of operation, then at regular intervals of 500 hours or
	compressed air.
less depending on operating conditions.
2. Pump operation must not exceed rated pressure,	The torque tension on the valve casing nuts (49A)
	should be checked after approximately 200 operating
volume, or RPM. A pressure relief device must be
	hours. Please see page 8 for torque values.
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. Pump fluid should be filtered to 300 micron.

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