Giant GP7155-5100 User Manual
Model
GP7155-5100
Triplex Ceramic
Plunger Pump Manual
Contents:
Installation Instructions: page 2
Preventive Maintenance
and Spare Parts List: page2
Pump Specifications: page 3
Exploded View: page 4
Parts List/Kits: page 5
Repair Instructions: page 6
Dimensions: page 7
Warranty Information: back page
INSTALLATION INSTRUCTIONS
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 140
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
o
F, it is important 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
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 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.
operation can be obtained from the chart on page 3.
IMPORTANT OPERATING CONDITIONS
Failure to comply with any of these conditions 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 equivalent to SAE 85-90W Industrial Grear Lube.
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.
2. Pump operation must not exceed rated pressure, volume,
or RPM.
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.
A pressure relief device must be installed in the
Preventative Maintenance Check-List & Recommended Spare Part List
Check Daily Weekly 50hr Every Every Every
500 hr 1500 hr 3000hrs
Oil Level / Quality X
Oil Leaks X
Water Leaks X
Belts, Pulley X
Plumbing X
Recommended Spare Part
Oil Change (p/n 01154) X X
Plunger Packing Kits(1 kit/Pump)
See page 5 for kit list
Oil Seal Kit ( 1 kit/Pump
See page 5 for kit list)
Valve Assembly Kit ( 1 kit/pump)
See page 5 for kit list
X
X
X
NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600.
2
Specifications - Model GP7155-5100
U.S. ........................................... Metric
Volume.............................................................................. 65.8 GPM .................................. 250 LPM
Discharge Pressure ........................................................... 1500 PSI.................................... 100 Bar
Crankshaft Speed.................................................................................................................. 700 RPM
Inlet Pressure ........................................................................................................................ Up to 700 RPM
Plunger Diameter.............................................................. 2.17”.......................................... 55mm
Plunger Stroke .................................................................. 2.05”.......................................... 52mm
Crankshaft Diameter......................................................... 1.89”.......................................... 48mm
Key Width......................................................................... 0.55”.......................................... 14mm
Crankshaft Mounting............................................................................................................ Either side
Shaft Rotation............................................................................................. Top of pulley towards manifold
Max.Temperature of Pumped Fluids ................................ 140
Inlet Ports ............................................................................................................................. (2) 2-1/2" NPT
Discharge Ports..................................................................................................................... (2) 1-1/4" NPT
Weight............................................................................... 374 lbs....................................... 170 kg
Crankcase Oil Capacity .................................................... 1.6 Gal....................................... 6.0 liters
Mechanical Effecency @ 700 RPM ..................................................................................... 0.83
Volumetric Effecency @ 700 RPM ...................................................................................... 0.96
Consult the factory for special requirements that must be met if the pump is to
operate beyond one or more of the limits specified above.
o
F ........................................ 60 oC
PULLEY INFORMATION
Pulley selection and pump speed are based on a 1725
RPM motor and "B" section belts. When selecting
desired GPM, allow for a ±5% tolerance on pumps
output due to variations in pulleys, belts and motors
among manufacturers.
1. Select GPM required, then select appropriate
motor and pump pulley from the same line.
2. The desired pressure is achieved by selecting the
correct nozzle size that corresponds with the pump
GPM.
GP7155-5100 PULLEY SELECTION &
HORSEPOWER REQU IREMENTS
RPM GPM 800 PSI 1000 PSI 1300 PSI 1500 PSI
479 45.0 25.7 32.1 41.8 48.2
531 49.9 28.5 35.6 46.3 53.5
HORSEPOWER INFORMATION
Horsepower ratings shown are the power requirements for the pump. Gas engine power outputs must
be approximately twice the pump power requirements shown above.
We recommend that a 1.1 service factor be specified
when selecting an electric motor as the power source.
To compute specific pump horsepower requirements,
use the following formula:
(GPH X PSI) / 1450 = HP
585 55.0 31.4 39.3 51.1 58.9
638 60.0 34.3 42.9 55.7 64.3
700 65.8 37.6 47.0 61.1 70.5
3
Loading...