Hp Triplex Ceramic Plunger Pump LP400 User Manual

ModelsLP350, LP400, LP450Triplex CeramicPlunger PumpOperating Instructions/Repair and ServiceManualContents:Installation Instructions: page 2Pump Spec

109) Remove seal case (37) fromseal sleeve (35).10) Check plunger surface (25and 29B) for wear and pit-ting. If none is found, pro-ceed to step twelv

11DISASSEMBLY OF CRANKCASE1) Remove valve casing (43) and plunger pipe (29B), drain oil.2) Screw off gear cover (4) and bearing cover (14).3) Remove c

GIANT INDUSTRIES LIMITED WARRANTYGiant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free fromdefects in workmanship

2INSTALLATION INSTRUCTIONS4. Use of a dampener is necessary to minimizepulsation at drive elements, plumbing, connec-tions, and other system areas.

3SpecificationsModel LP350Volume ... Up to 22.6 GPMDis

4SpecificationsModel LP400Volume ... Up to 15.1 GPMDis

5SpecificationsModel LP450Volume ... Up to 19.7 GPMDis

6LP350, LP400, LP450 - EXPLODED VIEW

7ITEM # PART # DESCRIPTION QTY1 07759 Crankcase 12 13000 Oil filler plug assy. 14 06085 Crankcase Cover 15 07104 O-ring, Crankcase cover 16 07186 Oil

8PUMP SYSTEM MALFUNCTIONMALFUNCTION CAUSE REMEDYThe Pressure and/ Worn packing seals Replace packing sealsor the Delivery Broken valve spring Replace

9REPAIR INSTRUCTION - LP350, LP400, LP450TO CHECK VALVES4) Inspect valve seats (46A) and valve plates (46B) for damageand replace if needed. Check val