Models P420A-3100 & P420A-5100 Triplex Ceramic Plunger Pump Operating Instructions/ Repair and Service Manual Corrossion Resistant Pumps Contents: Installation Instructions: Specifications: Parts List/Torque Specs: Recommened Spare Parts List Exploded View/Kits: Repair Instructions: Pump mounting selection Guide: Dimensions: Warranty Information page 2 page 3 page 4 page 4 page 5 pages 6-7 page 7 back page back page
INSTALLATION INSTRUCTIONS Installation of the Giant Industries, Inc., pump is not a complicated procedure, but there are some basic steps common to all pumps. The following information is to be considered as a general outline for installation. If you have unique requirements, please contact Giant Industries, Inc. or your local distributor for assistance. 1. The pump should be installed flat on a base to a maximum of a 15 degree angle of inclination to ensure optimum lubrication. 2.
Specifications Model P420A-3100/5100 Volume ................................................................................................... Up to 13.0 GPM (49 lm) Discharge Pressure ................................................................................. Up to 2000 PSI (138 bar) ............................................................................................................... (at 11 GPM) Inlet Pressure ................................................................................
P420A-3100/5100 PUMP PARTS LIST ITEM 1 2 3 3A 4 5 5A 5B 6 6A 7 8 8A 9 10 11 12 12A 13 14 15 15A 16 16A 16B 16C 16D 16E 16F PART 08377 08378 06479 07186 08380 12137 07182 08092 08093 08094 08471 08472 06245 01016 08095 07459 08473 08474 08475 08091 08390 07311 06611 08096 08398 07256 08097 07023 07203 DESCRIPTION Crankcase Oil Fill Plug with Gasket Crankcase cover Oil Sight Glass w/ Gasket O-Ring Oil Drain Plug Gasket for Oil Drain Plug Plug with Gasket Screw Spring Washer Bearing Cover, Open Bearing Cover
EXPLODED VIEW - P420A-3100/5100 PUMPS P420A-3100/5100 PUMP REPAIR KITS Plunger Packing Kits Oil Seal Kit # 09542 (P420-3100) Item Part # Description 21 06613 O-Ring 22 08059 O-Ring 23 12254 V-Sleeve Qty. 3 3 23B 24 3 6 12255 08376 Weep Seal Pressure Ring # 09306 Part # Item 19 08366 3 Qty. 3 3 23B 24 3 6 12255 08376 Weep Seal Pressure Ring Qty.
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, remove the three discharge valve plugs and three inlet valve plugs (32). Inspect the o-ring (33) for wear and replace if damaged.
REASSEMBLY INSTRUCTIONS - P420A-3100/5100 PUMPS 9) Check surfaces of plunger pipe (16B). 10) Place each seal case (20) with new o-rings (21 and 22) and new oil seals (19) over plungers (16) with weep hole down. Generously lubricate o-rings and oil seals before reassembly. 11) Place pressure rings and weep seals (23B) over plungers and into each seal case (20). 14) Slide valve casing over plungers and seat firmly. Replace the 8 socket head cap screws (34) and tighten to 35 ft.-lbs.
P420A-3100/5100 PUMP DIMENSIONS - INCHES (MM) 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.