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Manual de usuario Giant, modelo TRIPLEX CERAMIC GP7255A

Fabricar: Giant
Tamaño del archivo: 116.07 kb
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Idioma del manual:en
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Resumen del manual


Gas engine power outputs must be approximately twice the pump power requirements shown above. We recommend that a 1.1 service factor be specified when selecting an electric motor as the power source. To compute specific pump horsepower requirements, use the following formula: (GPH X PSI) / 1450 = HP GP7150A PULLEY SELECTION & HORSEPOWER REQUIREMENTS PUMP PULLEY MOTOR PULLEY RPM GPM 8QQ PSI 1QQQ PSI 13QQ PSI 15QQ PSI 19QQ PSI 12.75 5.75 3QQ 23.4 13.4 16.7 21.7 25.1 31.8 12.75 7.5Q 4QQ 31.2 17.8 22.3 29.Q 33.4 42.3 12.75 9.25 5QQ 38.9 22.2 27.8 36.1 41.7 52.8 12.75 11.QQ 6QQ 46.7 26.7 33.4 43.4 5Q.Q 63.4 12.75 12.75 7QQ 54.5 31.1 38.9 5Q.6 58.4 74.Q б GP7150A, GP7155A, GP7255A REPAIR INSTRUCTIONS TO CHECK VALVES Lossen plugs (58), take out tension spring (57) and then remove the complete valve (51) with either a valve tool or an M16 hexagon screw. Remove valve adapter (56) and tension spring (57) with pull-out tool size 5. There is an O-ring (51G) under both the suction and the discharge valve each of which can be removed with a bent piece of wire.To disassemble valve hit the top of the valve plate (C) carefully with a bolt and press the valve seat (A) out of the spacer pipe (E). Check sealing surfaces and replace worn parts. Check O-rings and support rings.Tighten plugs (58) to 107 ft. lbs. TO CHECK SEALS AND PLUNGER PIPE Loosen nuts (49A) and remove pump head. Separate plunger connection (36A) from crosshead (25) by means of two open-end wrenches (size 22 and 27). Pull seal sleeves (39) out of their fittings in the crankcase. Take seal case (38) out of seal sleeve (39). Examine plunger parts (36A-36D), seals (42,39A) and O-rings. When replacing plunger pipe (36B), tighten tension screws (36C) to 30 ft. lbs. Replace worn parts; grease seals with Silicone before installing. CAUTION: Don't loosen the 3 plunger connections (36A) before the valve casing has been removed otherwise the tension screw (36C) could hit against the spacer pipe (51E) when the pump is being turned. Seal life can be increased if the pretensioning allows for a little leakage. This assists lubrication and keeps the seals cool. It is therefore not necessary to replace seals before the leakage becomes too heavy and causes output and operating pressure to drop. MOUNTING VALVE CASING Check O-rings on seal case (38). Clean surfaces of seal sleeves in gear box and sealing surfaces of valve casing. Push valve casing carefully on O-rings of seal case and centering studs (50A). Tighten nuts (49A) to 103 ft. lbs. TO DISASSEMBLE GEAR Take out plunger and seal sleeves as described above. Drain oil. After removing the circleclip ring (33B), lever out seal retainer (33) with a screw driver. Check seals (32, 32A, 33A) and surfaces of crosshead. Remove crankcase cover (4). Loosen inner hexagon screws on the connecting rods (24) and push con rod halves as far into the crosshead guide as possible. Note: Note: Connecting rods are marked for identification. Do not twist con rod halves. Con rod is to be reinstalled in the same position on shaft journals.Check surfaces of connecing rod and crankshaft (22) take out bearing cover to one side and push out crankshaft taking particular care that the conrod doesn't gt bent. Seal (32A) must always be installed so taht the seat up on the inside diameter faces the oil. Reassemble in revers order: Regulate axial bearing clearance minimum 0.1mm, maximum 0.15-by Preventative Maintenance Check-List & Recommended Spare Part List Check Daily Weekly 50hr Every 500 hr Every 1500 hr Every 3000hrs Oil Level / Oualitv X Oil Leaks X Water Leaks X Belts, Pullev X Plumbing X 1 Recommended Spare Part Oil Change (p/n 01154) X X Plunger Packing Kits(1 kit./Pumn ) X See page 5 for kit list Oil Seal Kit ( 1 kit/Pump X See page 5 for kit list) Valve Assembly Kit ( 1 kit/pump See page 5 for kit list X 7 GP7150A, GP7155A, GP7255A SERIES DIMENSIONS - INCHES (mm) 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. Our other pump parts, used in portable pressure washers and in car wash applications, are warranted for five years from the dateof shipment for all pumps used in NON-SALINE, clean water applications. 2. One (1) year from the date of shipment for all other Giant industrial and consumer pumps. 3. Six (6) months from the date of shipment for all rebuilt pumps. 4. Ninety (90) days from the date of shipment for all Giant accessories. This warranty is limited to repair or replacement of pumps and accessories of which the manufacturer's evaluation shows were defective at the time of shipment by the manufacturer. The following items are N...

Otros modelos de este manual:
Equipos de Bombeo - TRIPLEX CERAMIC GP7150A (116.07 kb)
Equipos de Bombeo - TRIPLEX CERAMIC GP7155A (116.07 kb)

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