Giant Triplex Ceramic Plunger Pump LP350 Operating Instructions & Service Manual Download

Page: 1 / 12

Models

LP350, LP400, LP450

Triplex Ceramic
Plunger Pump
Operating Instructions/
Repair and Service
Manual

Contents:

Installation Instructions:

page 2

Pump Specifications:

pages 3-5

Exploded View:

page 6

Parts List/Kits/Torque Specs:

page 7

Trouble Shooting Chart:

page 8

Spare Parts List:

page 8

Repair Instructions:

page 9-11

Dimensions:

back page

Warranty Information:

back page

Updated 2/02

Summary of Contents for Triplex Ceramic Plunger Pump LP350

Page 1: ...ervice Manual Contents Installation Instructions page 2 PumpSpecifications pages 3 5 Exploded View page 6 Parts List Kits Torque Specs page 7 Trouble Shooting Chart page 8 Spare Parts List page 8 Repair Instructions page 9 11 Dimensions back page Warranty Information back page Updated 2 02 ...

Page 2: ...ration from Giant Industries Inc 4 Run the pump dry approximately 10 seconds to drain the water before exposure to freezing temperatures 1 Prior to initial operation add oil to the crankcase so that oil level is between the two lines on the oil dipstick DO NOT OVERFILL Use SAE 90 Industrial gear oil Crankcase oil should be changed after the first 50 hours of operation then at regular intervals of ...

Page 3: ...otor and pump pulley from the same line 2 The desired pressure is achieved by selecting the correct nozzle size that corresponds with the pump GPM HORSEPOWER INFORMATION Horsepower ratings shown are the power require ments for the pump 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 e...

Page 4: ...r and pump pulley from the same line 2 The desired pressure is achieved by selecting the correct nozzle size that corresponds with the pump GPM HORSEPOWER INFORMATION Horsepower ratings shown are the power require ments for the pump 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 elec...

Page 5: ...r and pump pulley from the same line 2 The desired pressure is achieved by selecting the correct nozzle size that corresponds with the pump GPM HORSEPOWER INFORMATION Horsepower ratings shown are the power require ments for the pump 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 elec...

Page 6: ...6 LP350 LP400 LP450 EXPLODED VIEW ...

Page 7: ...50 3 42 07338 Pressure Spring LP400 3 42 14084 Pressure Spring LP350 LP450 3 43 13018 Valve Casing 1 44A 07150 O Ring 9 44B 06266 Support Ring 3 45 06078 CompressionSpring 3 46 07060 Valve Assy 6 46A 07064 Valve Seat 6 46B 07063 Valve Plate 6 46C 07062 Valve Spring 6 46D 07066 Spacer Pipe 6 48 07156 Plug 3 49 07754 Stud bolt 8 49A 07158 Hexagon Nut 8 49B 07159 Disc 8 50 07423 Plug 1 4 BSP 1 50A 07...

Page 8: ...Drop leaks correctly sized inlet plumbing to pump Accumulator pressure Recharge Replace accumulator Unloader Check for proper operation Cavitation Check inlet lines for restrictions and or proper size Pump Pressure as Restricted discharge plumbing Re size discharge plumbing to Drop at gun flow rate of pump Rated Pressure Excessive Worn plungers Replace plungers Leakage Worn packing seals Adjust or...

Page 9: ...top of valve casing 43 2 Remove discharge and inlet valve assemblies 46 by pulling them upwards out of the valve casing 43 It maybe necessary to use a slide hammer tool 3 With the valve assembly 46 pointed down place a dowel rod through the top of spacer pipe 46D Hold assembly in hand and tap end of dowel sharply with mallet until as sembly breaks free 6 Remove the eight 8 manifold nuts and washer...

Page 10: ...n both sur faces of copper gasket and tension screw threads Se cure plunger in place with tension screw and gasket and tighten to 33 ft lbs REPAIR INSTRUCTION LP350 LP400 LP450 12 Remove v sleeves 40 and support ring 41 for seal case 37 and replace with new elastomers Lubricate parts before reinstalling into seal sleeve Replace seal sleeve seal case assembly 35 37 into the valve casing 43 35 39 40...

Page 11: ... edge lines up with the outer edge of the bearing hole 1 6 Remove the bearing cover 14 together with the shaft seal 15 and o ring 16 Fit crankshaft through bearing hole on the opposite side 7 Press in outer bearing 20 inwards with the bearing cover 14 Make sure that the crankshaft is in a vertical position and turn it slowly so that the taper rollers of the bearings touch the edge of outer bearing...

Page 12: ...ications made by the customer or third party 6 The operation of pumps and or accessories exceeding the specifications set forth in the Operations Manuals provided by Giant Industries Inc Liability under this warranty is on all non wear parts and limited to the replacement or repair of those products returned freight prepaid to Giant Industries which are deemed to be defective due to workmanshiporf...

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Giant Triplex Ceramic Plunger Pump LP350, Operating Instructions & Service Manual

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Summary of Contents for Triplex Ceramic Plunger Pump LP350

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