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Giant GP7145 manual

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Table of contents for the manual

  • Page 1

    Contents: Installation Instructions page 2 Pump Specifications (GP7145): page 3 Exploded View: page 4 Parts List: page 5 Pump Specifications (GP7255A): page 6 Kits/Torque Specifications: page 7 Maintenance Information: page 7 Repair Instructions: page 8 Troubleshooting Guide: page 9 Dimensions: page 10 Warranty Information back page Triplex Ceramic[...]

  • Page 2

    recommended by 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 un- loader. 5. Crankshaft rotation on Giant Industries, Inc. pumps should be made in the direction desig- nated by the arrow[...]

  • Page 3

    U.S. . . ............................. (Metric) V olume (Continuous) ............................................................... 47.5 GPM ..................... (180 LPM) V olume (Intermittent) .............................................................. 60 GPM* ...................... (227 LPM)* Discharge Pressure .............................[...]

  • Page 4

    4 Exploded V iew - GP7145 and GP7255A[...]

  • Page 5

    ITEM PART DESCRIPTION QTY. 1 07600 Crankcase 1 1 A 05313 Head for Oil Dipstick 1 1 B 01009 O-Ring 1 2 13000 Oil Filler Plug Assy. 1 4 07601 Crankcase Cover 1 5 07602 Gasket, Crankcase Cover 1 8 07603 Oil Dip Stick 1 9 01009 O-Ring, Dip Stick 1 1 0 22706 Hexagon Screw 1 2 1 1 06725 Spring Washer 1 2 1 2 07109 Drain Plug 3 1 3 07182 Gasket, Drain Plu[...]

  • Page 6

    U.S. . . ............................. (Metric) V olume (Continuous) ............................................................... 65.8 GPM ..................... (250 LPM) V olume (Intermittent) .............................................................. 80 GPM* ...................... (303 LPM)* Discharge Pressure (Continuous) ................[...]

  • Page 7

    Repair Kits - GP7145 and GP7255A Plunger Packing Kit - GP7145 # 09603 Item Part # Description Qty . 38 A 13156 O-Ring 3 38 B 06258 O-Ring 3 39 A 13290 Grooved Ring 3 4 2 13294 V -Sleeve 9 Plunger Packing Kit - GP7255A # 09220 Item Part # Description Qty . 38 A 13156 O-Ring 3 38 B 07721 O-Ring 3 39 A 07723 Grooved Ring 3 4 1 13158 Support Ring 3 4 2[...]

  • Page 8

    8 GP7145 and GP7255A Repair Instructions TO CHECK VAL VES 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 . T o remove the valve adapter (56) and tension spring (57), use a pullout tool size 5. T o disassemble valve assembly , carefully hit the top of [...]

  • Page 9

    9 PUMP SYSTEM MA LFUNCTIONS M A LFUNCT ION CAUSE REMEDY The Press ure and/ or th e Deliver y Drops W or n pac k ing s eals Replac e pac king sea ls Brok en valve spr ings R eplace spr ings Belt slippage T ight en or Repla ce belt W orn o r D am aged n ozz le Replac e nozzle Fouled dis c harge valve Clean valve as sem bly W orn o r Plu gged r elief [...]

  • Page 10

    GP7145 and GP7255A Dimensions - Inches (mm) 10[...]

  • Page 11

    11[...]

  • Page 12

    11/07 GP7145_GP7255A.PMD GIANT INDUSTRIES, INC. 900 N. Westwood Ave. P.O. Box 3187 Toledo, Ohio 43607 Phone; (419) 531-4600 FAX (419) 531-6836  Copyright 2007 Giant Industries, Inc. www.giantpumps.com GIANT INDUSTRIES LIMITED WARRANTY Giant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free from defects in workma[...]