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Triplex Ceramic
Plunger Pump
Models
Operating Instructions/
Repair and Service
Manual
P420A-3100
& P420A-5100
Corrossion Resistant Pumps
Contents:
Installation Instructions: page 2
Specifications: page 3
Parts List/Torque Specs: page 4
Exploded View/Kits: page 5
Repair Instructions: pages 6-7
Dimensions: back page
Warranty Information back page
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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
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Specifications Model P420A-3100/5100 Volume ........................................................................................................ Up to 13.0 GPM Discharge Pressure ..................................................................................... Up to 2000 PSI (at 11 GPM) Inlet Pressure .............................................................................................. Up to 140 PSI Stroke .........................................................................
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P420A-3100/5100 PUMP PARTS LIST ITEM PART DESCRIPTION QTY. ITEM PART DESCRIPTION QTY. 1 08377 Crankcase 1 16G 07161-0100 Copper Washer 3 2 08378 Oil Fill Plug with Gasket 1 17 07314 Crosshead Pin 3 3 06479 Crankcase cover 1 19 08366 Oil Seal 3 3A 07186 Oil Sight Glass w/ Gasket 1 20 08098 Seal Case 3 4 08380 O-Ring 1 21 06613 O-Ring (P420-3100) 3 5 12137 Oil Drain Plug 1 21 07266 O-Ring (P420-5100) 3 5A 07182 Gasket for Oil Drain Plug 1 22 08059 O-Ring 3 5B 08092 Plug with Gasket 1 23 12254 V-Sl
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EXPLODED VIEW - P420A-3100/5100 PUMPS P420A-3100/5100 PUMP REPAIR KITS Plunger Packing Kits Oil Seal Kit # 09542 (P420-3100) # 09306 Item Part # Description Qty. Item Part # Description Qty. 21 06613 O-Ring 3 19 08366 Oil Seal 3 22 08059 O-Ring 3 23 12254 V-Sleeve 3 Valve Assembly Kit (P420A-3100) # 09522 23B 12255 Weep Seal 3 Item Part # Description Qty. 24 08376 Pressure Ring 6 27A 06615 Valve Assembly, Complete 6 33 07214-0100 O-Ring, Viton 6 Plunger Packing Kits # 09140 (P420-5100) Valve Ass
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REPAIR INSTRUCTIONS - P420A-3100/5100 PUMPS Note: Always take time to lubricate all metal and nonmetal parts with a light film of oil before reassembly. This step will ensure proper fit, at the same time protecting the pump nonmetal parts (i.e., the elastomers) from cutting and scoring. 1) With a socket wrench, 3) By inserting a small screw 2) Using needle nose pliers, remove the three discharge driver between the valve seat remove the inlet and dis- valve plugs and three inlet (27) and the val
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REASSEMBLY INSTRUCTIONS - P420A-3100/5100 PUMPS 9) Check surfaces of plunger 11) Place pressure rings and 10) Place each seal case (20) pipe (16B). weep seals (23B) over with new o-rings (21 and plungers and into each seal 22) and new oil seals (19) case (20). over plungers (16) with weep hole down. Gener- ously lubricate o-rings and oil seals before reassembly. 14) Slide valve casing over plungers and seat firmly. Replace the 8 socket head cap screws (34) and tighten to 35 ft.-lbs. in a crossi
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P420A-3100/5100 PUMP DIMENSIONS (INCHES) 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 self-service 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
