Summary of the content on the page No. 1
Triplex Ceramic
Plunger Pump
Operating Instructions/
Repair and Service
Manual
Models
LP350, LP400, LP450
Contents:
Installation Instructions: page 2
Pump Specifications: pages 3-5
Exploded View/Parts: page 6
Repair Instructions: page 7
Kits/Torque Specs.: page 7
Dimensions: back page
Warranty Information: back page
Updated 3/98
Summary of the content on the page No. 2
INSTALLATION INSTRUCTIONS Installation of the Giant Industries, Inc., 4. Use of a dampener is necessary to minimize pump is not a complicated procedure, but pulsation at drive elements, plumbing, connec- there are some basic steps common to all tions, and other system areas. The use of a pumps. The following information is to be dampener with Giant Industries, Inc. pumps is considered as a general outline for installa- optional, although recommended by Giant tion. If you have unique requirem
Summary of the content on the page No. 3
Specifications Model LP350 Volume ........................................................................................................ Up to 22.6 GPM Discharge Pressure .................................................................................... 2350 PSI Inlet Pressure.............................................................................................. Up to 90 PSI Maximum Crankshaft Speed ...................................................................... Up to 1000 RPM
Summary of the content on the page No. 4
Specifications Model LP400 Volume ........................................................................................................ Up to 15.1 GPM Discharge Pressure .................................................................................... 3600 PSI Inlet Pressure.............................................................................................. Up to 90 PSI Maximum Crankshaft Speed ...................................................................... Up to 1000 RPM
Summary of the content on the page No. 5
Specifications Model LP450 Volume ........................................................................................................ Up to 19.7 GPM Discharge Pressure .................................................................................... 2600 PSI Inlet Pressure.............................................................................................. Up to 90 PSI Maximum Crankshaft Speed ...................................................................... Up to 1000 RPM
Summary of the content on the page No. 6
LP350, LP400, LP450 - EXPLODED VIEW LP350, LP400 & LP 450 PARTS LIST ITEM # PART # DESCRIPTION QTY ITEM # PART # DESCRIPTION QTY 1 07759 Crankcase 1 33 06117 Back Up Seal 3 2 13000 Oil filler plug assy. 1 35 13010 Seal Sleeve (LP350) 3 4 06085 Crankcase Cover 1 35 13392 Seal Sleeve (LP400) 3 5 07104 O-ring, Crankcase cover 1 35 13009 Seal Sleeve (LP450) 3 6 07186 Oil Sightglass with Gasket 1 37 13011 Seal Case (LP350/LP450) 3 8 07105 Oil Dipstick 1 37 13393 Seal Case (LP400) 3 9 01009 O-Ring, D
Summary of the content on the page No. 7
REPAIR INSTRUCTION - LP350, LP400, LP450 VALVE REPLACEMENT 1) With a 30mm wrench remove the three (3) tension plugs (#48) from top of valve casing (43). 2) Remove discharge and inlet valves (#46), pulling them upwards out of the valve casing. It maybe necessary to use a slide hammer tool. 3) With the valve assembly pointed down, place a dowel rod through the top of valve cage. Hold assembly in hand and tap end of dowel sharply with mallet until assembly pops free. 4) Inspect valve seats (#46A)
Summary of the content on the page No. 8
LP350, LP400 & LP 450 DIMENSIONS (metric) 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 car wash applications, the discharge manifolds will never fail, period. If they ever fail, we will replace them free of charge. Our other pump parts, used in portable pressure washers and in car wash applications, are warranted for five years f
