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Giant GP7255AGB manual

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Table of contents for the manual

  • Page 1

    Triplex Ceramic Plunger Pump Operation Manual Models GP714 5G B and GP7255AGB pump with gearbox Contents: Installation and Safety Instructions page 2 Pump Specifications (GP7145GB-2.4): page 3 Exploded View: page 4 Parts List: page 5 Pump Specifications (GP7255AGB-2.4): page 6 Kits/Torque Specifications: page 7 Maintenance Information: page 7 Repai[...]

  • Page 2

    2 INST ALLA TION INSTRUCTIONS NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600. Operation and Maintenance Check oil level prior to starting and ensure trouble-free water supply. Oil: Use only 2 gallons (7.5 liters) if ISO VG-220 synthetic gear oil. Initial change after 50 hours and then after every 200 operating [...]

  • Page 3

    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. 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 pulley[...]

  • Page 4

    4 Exploded V iew - GP7145GB-2.4/GP7255AGB-2.4[...]

  • Page 5

    PARTS LIST - GP7145GB-2.4/GP7255AGB-2.4 5 ITEM PART DESCRIPTION QTY. 1 05324 Crankcase 1 1A 05313 Head for Oil Dipstick 1 1B 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 10 22706 Hexagon Screw 8 11 06725 Spring Washer 8 12 07109 Drain P[...]

  • 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 - GP7145GB-2.4 and GP7255AGB-2.4 Plunger Packing Kit - GP7145GB-2.4 # 09603 Item Part # Description Qty . 38A 13156 O-Ring 3 38B 06258 O-Ring 3 39A 13290 Grooved Ring 3 42 13294 V -Sleeve 9 V alve Repair Kit # 09604 Item Part # Description Qty . 51B 07732-0100 V alve Spring 1 51C 05314 V alve Plate 1 51D 05136 V alve Seat 1 51E/56D 0765[...]

  • Page 8

    8 GP7145GB-2.4 and GP7255AGB-2.4 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[...]

  • Page 9

    TO DISMANTLE REDUCTION GEAR Remove screws (G4). Using screwing two screws into the both thread bores, press off the gear cover (G2). Remove screw (G1 1) and take off the spacer ring (G7) and tension disc (G10). Push the cogwheel (G9) off the shaft by screwing two screws into both thread bores. Finally , take the crankshaft (22) out of the crankcase[...]

  • Page 10

    10 PUMP SYSTEM MA LFUNCTIONS M A LF UNCTION CA USE REM EDY The Pressure an d/ or th e Deliver y Drops W or n pack ing seals Replace pack ing seals Brok en valve spr ings Replac e spring s Belt slippage T ight en or Repla ce belt W or n or Dam aged nozzle Replace nozz le Fouled dis charge valve Clean v alve assem bly W or n or Plugged r elief valve [...]

  • Page 11

    11 Dimensions - GP7145GB-2.4 and GP7255AGB-2.4 - Inches (mm)[...]

  • Page 12

    10/07 GP7145GB_GP7255AGB.PMD GIANT INDUSTRIES, INC. 900 N. Westwood Ave. P.O. Box 3187 Toledo, Ohio 43607 (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 workmansh[...]