Instruction/ maintenance manual of the product GP7255AGB Giant
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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.
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.
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.
4 Exploded V iew - GP7145GB-2.4/GP7255AGB-2.4.
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.
U.S. .................... ........... (Metric) V olume (Continuous) .............................................................. 65.8 GPM ..................... (250 LPM) V olume (Intermittent) ........................................................
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 .
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.
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.
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 slippag.
11 Dimensions - GP7145GB-2.4 and GP7255AGB-2.4 - Inches (mm).
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.
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