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Models
GP7150A and GP7155A
Updated 10/07
Contents:
Installation Instructions
Pump Specifications (GP7150A):
Exploded View:
Parts List:
Pump Specifications (GP7155A):
Kits/Torque Specifications:
Maintenance Information:
Repair Instructions:
Troubleshooting Guide:
Dimensions:
Warranty Information
Triplex Ceramic
Plunger Pump
Operation Manual
page 2
page 3
page 4
page 5
page 6
page 7
page 7
page 8
page 9
page 10
back page
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Summary of Contents for Giant GP7150A
- Page 1 Triplex Ceramic Plunger Pump Models Operation Manual GP7150A and GP7155A Contents: Installation Instructions page 2 Pump Specifications (GP7150A): page 3 Exploded View: page 4 Parts List: page 5 Pump Specifications (GP7155A): page 6 Kits/Torque Specifications: page 7 Maintenance Information: page 7...
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Page 2: Installation Instructions
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. - Page 3 The desired pressure is achieved by selecting the use the following formula: (GPH X PSI) / 1450 = HP correct nozzle size that corresponds with the pump GPM. GP7150A HORSEPOWER REQUIREMENTS RPM GPM 800 PSI 1000 PSI 1300 PSI 1500 PSI 1900 PSI 300 23.4 13.4 16.7 21.7...
- Page 4 Exploded View - GP7150A and GP7155A...
- Page 5 PARTS LIST - GP7150A and GP7155A ITEM PART DESCRIPTION QTY. ITEM PART DESCRIPTION QTY. 07600 Crankcase 13156 O-Ring for 38 05313 Head for Oil Dipstick 06258 O-Ring for 38, GP7150A 01009 O-Ring 07721 O-Ring for 38, GP7155A 13000 Oil Filler Plug Assy.
- Page 6 Specifications Model GP7155A U.S........ (Metric) Volume ..................65.8 GPM ..... (250 LPM) Discharge Pressure ..............1500 PSI ....... (100 bar) Speed ..........................700 RPM Inlet Pressure (maximum) ............145 PSI ......(10 bar) Plunger Diameter ..............2.17” ......55mm Plunger Stroke ................
- Page 7 REPAIR KITS - GP7150A and GP7155A Plunger Packing Kit - GP7150A Inlet Valve Kit - # 09614 # 09526 Item Part # Description Qty. Item Part # Description Qty. 08282 Valve Spring Guide 1 13156 O-Ring 07732-0100 Valve Spring 06258...
- Page 8 GP7150A and GP7155A Repair Instructions TO CHECK VALVES Loosen plugs (58), take out tension spring (57) and then remove the complete valve assembly (51) with either a valve tool or an M16 hexagon screw. To remove the valve adapter (56) and tension spring (57), use a pullout tool size 5.
- Page 9 Adjust or Replace packing seals Excessive vacuum Reduce suction vacuum Cracked plungers Replace plungers Inlet pressure too high Reduce inlet pressure High Crankcase Wrong Grade of Oil Giant oil is recommended Temperature Improper amount of oil in crankcase Adjust oil level to proper amount...
- Page 10 GP7150A and GP7155A Dimensions - Inches (mm)
- Page 12 Liability under this warranty is on all non-wear parts and limited to the replacement or repair of those products returned freight prepaid to Giant Industries which are deemed to be defective due to workmanship or failure of material. A Returned Goods Authorization (R.G.A.) number and completed warranty evaluation form is required prior to the return to Giant Industries of all products under warranty consideration.
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