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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: 

page 8

Repair Instructions: 

page 9

Troubleshooting Guide: 

page 10

Dimensions: 

page 11

Warranty Information 

back page

Triplex Ceramic

Plunger Pump

Operation Manual

Models

GP7145(-SSP)/GP7255A(-SSP)

SSP Pumps have stainless steel plungers

Update 05/18

Summary of Contents for GP7145

Page 1: ...ns GP7255A page 5 Exploded View page 6 Parts List page 7 Kits Torque Specifications page 8 Repair Instructions page 9 Troubleshooting Guide page 10 Dimensions page 11 Warranty Information back page Tr...

Page 2: ...ion is to be considered as a general outline for instal lation If you have unique requirements please contact Giant Industries Inc or your local distributor for assistance 1 The pump should be install...

Page 3: ...ged if condensate or frothy oil occurs in crankcase 2 Pump operation must not exceed rated pressure volume or RPM A pres sure relief device must be installed in the discharge of the system 3 Acids alk...

Page 4: ...inuous 750 RPM Speed Intermittent 947 RPM Inlet Pressure maximum 145 PSI 10 bar Plunger Diameter 1 77 45mm Plunger Stroke 2 0 52mm Crankshaft Diameter 1 9 48mm Key Width 0 6 14mm Crankshaft Mounting E...

Page 5: ...Speed Continuous 700 RPM Speed Intermittent 851 RPM Inlet Pressure maximum 145 PSI 10 bar Plunger Diameter 2 17 55mm Plunger Stroke 2 0 52mm Crankshaft Diameter 1 9 48mm Key Width 0 6 14mm Crankshaft...

Page 6: ...6 Exploded View GP7145 SSP and GP7255A SSP...

Page 7: ...38A 13156 O Ring for 38 3 38B 06258 O Ring for 38 GP7145 SSP 3 PARTS LIST GP7145 SSP and GP7255A SSP 7 ITEM PART DESCRIPTION QTY 38B 07721 O Ring for 38 GP7255A SSP 3 39 06171 Seal Sleeve GP7145 SSP 3...

Page 8: ...Radial Shaft Seal Loctite 403 36A 07667 Plunger Connection 33 ft lbs 45 Nm 36C 07664 Tension Screw Loctite 243 30 ft lbs 40 Nm 49 13159 Stud Bolt Loctite 270 49A 13160 Hexagon Nut 103 ft lbs 140 Nm 5...

Page 9: ...ge becomes too heavy and causes output and operating pressure to drop MOUNTING VALVE CASING Check O rings 38A 38B on the seal case 38 Clean surfaces of seal sleeves in gear box and sealing surfaces of...

Page 10: ...Check inlet lines for restrictions and or proper sizing Rough Pulsating Operation with Pressure Drop Worn packing Replace packing Inlet restriction Check system for stoppage air leaks correctly sized...

Page 11: ...GP7145 SSP and GP7255A SSP Dimensions Inches mm 11 NPT NPT...

Page 12: ...third party 2 Normal wear and tear to standard wear parts 3 Use of repair parts other than those manufactured or authorized by Giant 4 Improper use of the product as a component part 5 Changes or modi...

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