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Contents:

Installation Instructions: 

page 2

Pump Specifications: 

page 3

Exploded View: 

page 4

Parts List/Kits: 

page 5

Repair Instructions: 

pages 6-8

Troubleshooting: 

page 9

Recommended Spare Parts List: 

page 10

Torque Specifications: 

page 10

Pump Mounting Selection Guide:  page 10

Dimensions: 

page 11

Warranty Information: 

back page

Triplex Ceramic

Plunger Pump

Operating Instructions/ 

Repair and Service Manual

Models

LP122A-3100 & LP250-3100

Updated 08/20

Summary of Contents for LP122A-3100

Page 1: ...nstructions pages 6 8 Troubleshooting page 9 Recommended Spare Parts List page 10 Torque Specifications page 10 Pump Mounting Selection Guide page 10 Dimensions page 11 Warranty Information back page...

Page 2: ...l cir cumstances be consulted with regard to the resistance of the pump material It is the re sponsibility of the equipment manufacturer and or operator to ensure that all pertinent safety regulations...

Page 3: ...M Plunger Diameter 1 65 42 mm Stroke 1 65 42 mm Crankcase Oil Capacity 118 fl oz 35 liters Temperature of Pumped Fluids seawater 86 F 30 C Temperature of Pumped Fluids excluding seawater 140 F 60 C In...

Page 4: ...4 LP122A 3100 LP250 3100 Exploded View...

Page 5: ...13416A 0100 Pressure Ring LP122A 3100 3 36A 06700 Pressure Ring LP250 3100 3 36B 06174 Drip Shield LP122A 3100 3 37 04124 Support Disc LP250 3100 3 39 07744 0100 Pressure Ring LP122A 3100 3 39 13026 0...

Page 6: ...out use a valve puller to remove 3 Remove the eight 8 hex nuts 49A with a 19mm wrench Tap the back of the manifold 43 with a rubber mallet to dislodge and slide off the studs 4 Remove the seal sleeve...

Page 7: ...ress in outer bearing 20 and tension it inwards with the bearing cover 14 keeping the crankshaft in vertical position and turning slowly so that the taper rollers of the bearings touch the edge of the...

Page 8: ...AE80W 90industrial gear oil and check oil level of the crankcase with the dipstick Proper level is center of two lines Reinstall your Giant LP pump into your system Contact Giant Industries for servic...

Page 9: ...e oil with recommended lubricant Cavitation Check inlet lines for restrictions and or proper sizing Rough Pulsating Worn packing Replace packing Operation with Inlet restriction Check system for stopp...

Page 10: ...kit list X Oil Seal Kit 1 kit pump see page 5 for kit list X Valve Spare Parts 1 kit pump see page 5 for kit list X Position Item Description Lubrication Info Torque Amount 1 07759 Crankcase Molycote...

Page 11: ...11 LP122A 3100 LP250 3100 Dimensions Inches mm...

Page 12: ...nent part 5 Changes or modifications made by the customer or third party 6 Theoperationofpumpsandoraccessoriesexceedingthespecificationssetforth in the Operations Manuals provided by Giant Industries...

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