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Model
GP7122
Updated 03/22
Contents:
Installation Instructions:
Pump Specifications:
Exploded View:
Parts List:
Kits:
Torque Specifications:
Repair Instructions:
Dimensions:
Warranty Information:
Triplex Ceramic
Plunger Pump
Operating Instructions/
Repair and Service
Manual
page 2-6
page 7
page 8
page 9
page 10
page 10
pages 11-14
page 15
back page
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Summary of Contents for Giant GP7122
- Page 1 Model Triplex Ceramic Plunger Pump Operating Instructions/ Repair and Service GP7122 Manual Contents: Installation Instructions: page 2-6 Pump Specifications: page 7 Exploded View: page 8 Parts List: page 9 Kits: page 10 Torque Specifications: page 10 Repair Instructions: pages 11-14...
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Page 2: Fields Of Use
1. In General see DIN 4844 - W8 1.1 Safety Rules Safety measures which can cause damage to Pump operation without a safety valve as well the machine if not adhered to, are marked as any excess in temperature or speed limits automatically voids the warranty. - Page 3 2.4 Compliance with Regulations also be dangerous to the operator or anyone standing nearby. Pertaining to Safety at Work • Before pumping other liquids - When operating the pump, the safety especially inflammable, explosive and instructions contained in this manual, toxic media - the pump manufacturer the relevant national accident prevention must, under all circumstances,...
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Page 4: Transport And Storage
Pending Standards and other Data to be fitted with elastic tubes to damp vibrations and guard the pump against DIN4844 Part 1: Safety descriptions and pipeline tensions. supplement sheet 13 safety signs W8 • The diamater of the suction line must be at least one size bigger than the suction DIN4844 Part 1: Safety descriptions and... - Page 5 to the discharge ports of the pump. One • If a suitable safety has not been fitted to of the two ports is to be closed with the the pump head, one must be installed included plug (50E). immediately after the first length of •...
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Page 6: Pressure Accumulator
(indicated by arrows on crankcase). BG220) or automobile gear oil SAE 90 GL4 or To serve this purpose, the pump must only Giant’s p/n 01154. be dry run for a short period (approximately We recommend ISO VG 68 (SAE80) gear oil for 30 seconds). - Page 7 Specifications Model GP7122 U.S. Metric Maximum Volume ........... 9.9 GPM ..........37.4 L/min Maximum Discharge Pressure ....... 10,150 PSI ..........700 Bar Speed .............................750 RPM Power Consumption ..........69.0 HP ........... 51.5 kW Inlet Pressure ............-4.35 to 145 PSI ......-0.3 to 10 Bar Plunger Diameter............
- Page 8 Exploded View - GP7122...
- Page 9 GP7122 PARTS LIST ITEM PART DESCRIPTION QTY. ITEM PART DESCRIPTION QTY. 07600 Crankcase 06756 Guide Ring 05525 Head for Oil Dipstick 06757 Pressure Ring 01009 O-Ring 13390 Seal Ring 13000 Oil Filler Plug Assembly 06758 Spacer Disc 07601 Crankcase Cover...
- Page 10 GP7122 REPAIR KITS Plunger Packing Kit #09701 Inlet Valve Assembly Kit #09702 Item Part # Description Qty. Item Part # Description Qty. 06750 Leakage Gasket 05193 O-Ring 06667 O-Ring 05194 Inlet Valve Seat 05523 O-Ring 06761 Valve Plate 06754 Spiral Ring (Packing)
- Page 11 GP7122 REPAIR INSTRUCTIONS NOTE: Always take time to lubricate all metal and non-metal parts with a light film of oil before reassembling. This step will help ensure proper fit, at the same time protecting the pump non-metal parts (elastomers) from cutting and scoring.
- Page 12 GP7122 REPAIR INSTRUCTIONS 7) When reassembling: The inlet valve seat (51C) is 1mm Valve Seat identification markings smaller in diameter than the discharge valve seat (52C). Inlet valve seats are marked “S” and always have to be installed first. Discharge valve seats are marked “P” and are always to be installed on top of inlet valve.
- Page 13 GP7122 REPAIR INSTRUCTIONS Remove circlip ring 15) Remove leakage gasket (38B) from serrated pin (38A) (48) from seal sleeve on the seal sleave (38). Check o-ring (38C) for damage (38). Remove spacer and replace if necessary. IMPORTANT! The 3.2 mm...
- Page 14 GP7122 REPAIR INSTRUCTIONS TO ASSEMBLE VALVE CASING 18. Check O-rings (39A) on seal case (39). Clean surfaces of seal sleeves (38) in crankcase (1) and sealing surfaces of valve casing (50). Insert seal sleeve with plunger into crankcase guide. Turn...
- Page 15 GP7122 Dimensions - Inches (mm)
- Page 16 1. Five (5) years from the date of shipment for all pumps used in portable pressure washers with NON-SALINE, clean water applications. 2. Two (2) years from the date of shipment for Giant pumps used in car wash applications. 3. One (1) year from the date of shipment for all other Giant industrial and consumer pumps.
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