Triplex Ceramic Plunger Pump Operation Manual 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 page 2 page 3 page 4 page 5 page 6 page 7 page 7 page 8 page 9 page 10 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. recommended by Giant Industries, Inc. to further reduce system pulsation.
Specifications Model GP7150A U.S. ............................... (Metric) Volume .................................................................................... 54.5 GPM ..................... (206 LPM) Discharge Pressure ................................................................ 1900 PSI ....................... (131 bar) Speed .............................................................................................................................. 700 RPM Inlet Pressure (maximum) ...........
Exploded View - GP7150A and GP7155A 4
PARTS LIST - GP7150A and GP7155A ITEM 1 1A 1B 2 4 5 8 9 10 11 12 13 14 15 16 20 20A 21 22 23 24 25 28 30 30A 30B 30C 30D 31 32 33 33A 33B 33C 34 36 PART 07600 05313 01009 13000 07601 07602 07603 01009 22706 06725 07109 07182 07607 07608 07184 07610 07611 07612 13405 07614 13182 13183 13184 07619 07225-0100 13136 08280 13154 07623 07624 07626 07627 07628 07249 13137 07630 36 07706 36A 36B 36B 36C 36D 38 38 07667 07793 07666 07664 07665 07794 13155 DESCRIPTION Crankcase Head for Oil Dipstick O-Ring Oil
Specifications Model GP7155A U.S. ............................... (Metric) Volume .................................................................................... 65.8 GPM ..................... (250 LPM) Discharge Pressure ................................................................ 1500 PSI ....................... (100 bar) Speed .............................................................................................................................. 700 RPM Inlet Pressure (maximum) ...........
REPAIR KITS - GP7150A and GP7155A Plunger Packing Kit - GP7150A # 09526 Item Part # Description 38A 13156 O-Ring 38B 06258 O-Ring 38C 07635 Support Ring 39A 07796 Grooved Ring 42 07638 V-Sleeve Qty. 3 3 3 3 6 Plunger Packing Kit - GP7155A # 09220 Item Part # Description 38A 13156 O-Ring 38B 07721 O-Ring 39A 07723 Grooved Ring 41 13158 Support Ring 42 07711 V-Sleeve Qty. 3 3 3 3 6 Inlet Valve Kit - # 09614 Item Part # Description Qty.
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. The o-ring (51H) can be removed with a bent piece of wire. To disassemble valve assembly, screw out the valve seat (51E) from the spring tension guide (51A). Check the sealing surfaces and replace worn parts.
PUMP SYSTEM MALFUNCTIONS MALFUNCTION CAUSE REMEDY The Pressure and/ or the Delivery Drops Worn packing seals Replace packing seals Broken valve springs Belt slippage Worn or Damaged nozzle Fouled discharge valve Worn or Plugged relief valve on pump Unloader Replace springs Tighten or Replace belt Replace nozzle Clean valve assembly Clean, Reset, and Replace worn parts Check suction lines on inlet of pump for restrictions Check for proper operation Water in Crankcase High Humidity Worn Seals Reduc
GP7150A and GP7155A Dimensions - Inches (mm) 10
GIANT INDUSTRIES LIMITED WARRANTY Giant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free from defects in workmanship and material as follows: 1. For portable pressure washers and self-service car wash applications, the discharge manifolds will never fail, period. If they ever fail, we will replace them free of charge.
