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Models
GP7145(-SSP)/GP7255A(-SSP)
Update 05/18
SSP Pumps have stainless steel plungers
Contents:
Installation Instructions
Maintenance Information:
Pump Specifications (GP7145):
Pump Specifications (GP7255A):
Exploded View:
Parts List:
Kits/Torque Specifications:
Repair Instructions:
Troubleshooting Guide:
Dimensions:
Warranty Information
Triplex Ceramic
Plunger Pump
Operation Manual
page 2 & 3
page 3
page 4
page 5
page 6
page 7
page 8
page 9
page 10
page 11
back page
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Summary of Contents for Giant GP7145
- Page 1 Operation Manual GP7145(-SSP)/GP7255A(-SSP) SSP Pumps have stainless steel plungers Contents: Installation Instructions page 2 & 3 Maintenance Information: page 3 Pump Specifications (GP7145): page 4 Pump Specifications (GP7255A): page 5 Exploded View: page 6 Parts List: page 7 Kits/Torque Specifications:...
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Page 2: Installation Instructions
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 unloader. NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600. - Page 3 DO NOT OVERFILL. sure relief device must be installed in the discharge of the system. Use Giant Recommended Oil 3. Acids, alkalines, or abrasive fluids P/N 01154, or the equivalent to cannot be pumped unless approval in SAE 85-90W Industrial Gear Lube.
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Page 4: Specifications
(GPM X PSI) / 1450 = HP pump GPM. GP7145 PULLEY SELECTION & HORSEPOWER GP7145-SSP Horsepower Requirements REQUIREMENTS RPM GPM 800 PSI 1000 PSI 1500 PSI 2000 PSI 3000 PSI* 19.0... - Page 5 Specifications Model GP7255A(-SSP) U.S......(Metric) Volume (Continuous) ............65.8 GPM ....(250 LPM) Volume (Intermittent) ............80 GPM* ....(303 LPM)* Discharge Pressure (Continuous) .........1500 PSI ....(100 bar) Discharge Pressure (Intermittent)........2000 PSI* ....(140 bar)* Speed (Continuous)................... 700 RPM Speed (Intermittent) ................... 851 RPM* Inlet Pressure (maximum) ..........145 PSI ....
- Page 6 Exploded View - GP7145(-SSP) and GP7255A(-SSP)
- Page 7 PARTS LIST - GP7145(-SSP) and GP7255A(-SSP) ITEM PART DESCRIPTION QTY. ITEM PART DESCRIPTION QTY. 07600 Crankcase 07721 O-Ring for 38, GP7255A(-SSP) 3 05525 Head for Oil Dipstick 06171 Seal Sleeve, GP7145(-SSP) 01009 O-Ring 13157 Seal Sleeve, GP7255A(-SSP) 13000 Oil Filler Plug Assy.
- Page 8 Repair Kits - GP7145(-SSP) and GP7255A(-SSP) Plunger Packing Kit - GP7145(-SSP) Valve Repair Kits GP7145(-SSP) / GP7255(-SSP) # 09603 Inlet Valve Kit Item Part # Description Qty. # 09659 13156 O-Ring Item Part # Description Qty. 06258 O-Ring 05594 Inlet Valve Assembly...
- Page 9 GP7145(-SSP) and GP7255A(-SSP) Repair Instructions TO CHECK VALVES Loosen plugs (58), take out tension spring (57) and then remove the complete valve assembly (#51 & 52) with either a valve tool or an M16 hexagon screw. Check sealing surfaces and replace worn parts.
- Page 10 Adjust or Replace packing seals Excessive vacuum Reduce suction vacuum Cracked plungers Replace plungers Inlet pressure too high Reduce inlet pressure High Crankcase Wrong Grade of Oil Giant oil is recommended Temperature Improper amount of oil in crankcase Adjust oil level to proper amount...
- Page 11 GP7145(-SSP) and GP7255A(-SSP) Dimensions - Inches (mm)
- Page 12 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.