Giant LP123 Series User Manual

ModelsLP122A Series/LP123/LP255Triplex CeramicPlunger PumpOperating Instructions/Repair and ServiceManualFor Models:LP122ALP122A-3100LP122A-4000LP123L

1012. Lubricate weep seal (36). Place, weep seal (36), and pressure ring (36A)into the seal sleeve (35). Assemble the o-ring (35A and 35B for LP255onl

11

GIANT INDUSTRIES LIMITED WARRANTYGiant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free from defects inworkmanship

2NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600INSTALLATION INSTRUCTIONSInstallation of the Giant Industries,

LP122A SERIES/LP123 PULLEY SELECTION AND HORSEPOWER REQUIREMENTSGPMPUMP PULLEYMOTOR PULLEYRPM 600 PSI 800 PSI 1000 PSI 1300 PSI 2000 PSI*22.3 12.75&qu

LP255 PULLEY SELECTION AND HORSEPOWER REQUIREMENTSPUMP PULLEYMOTOR PULLEYRPM GPM 1000 PSI 1500 PSI 2000 PSI 2200 PSI12.75" 3.95" 500 13 9.3

5Exploded View - LP122A Series/LP123/LP255

6ITEM PART NO. DESCRIPTION QTY.1 07759 Crankcase 12 13000 Oil Filler Plug 14 06085 Crankcase Cover 15 07104 O-Ring 16 07186 Oil Sight Glass W/Gasket 1

7LP122A SERIES/LP123/LP255 PUMP REPAIR KITSValve Assembly KitLP122A. LP123, LP122A-4000, LP255#09136Item Part # Description Qty.46A 07751 Valve Assemb

8LP122A Series/LP123 - Repair Instructions1. With a 30mm wrench, re-move the six (6) plugs (48)from the valve casing (43).Inspect the o-rings (48A)and

911. If previously disassembled thoroughly clean all exposed surfaces on thespacer (29E) and all exposed threads on the plunger bolt (29C) and thestee