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Giant P420-0021 manual

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Table of contents for the manual

  • Page 1

    P400 Series - 22 and 25mm V ersions Contents: Installation Instructions: page 2 Pump Specifications (except P425): pages 3-5 Exploded View: page 6 Parts List/Kits: page 7 Pump Specifications (P425): page 8 Repair Instructions/Torque Specs.: pages 9-10 Trouble Shooting Chart: page 11 Recommended Spare Parts List: page 11 Dimensions: back page Warran[...]

  • Page 2

    2 INST ALLA TION INSTRUCTIONS 4. Use of a dampener is necessary to minimize pulsation at drive elements, plumbing, connections, and other system areas. The use of a dampener with Giant Industries, Inc. pumps is optional, although recommended by Giant Industries, Inc. to further reduce system pulsation. Dampeners can also reduce the severity of pres[...]

  • Page 3

    3 NOTES: In order to drive the pump from the side opposite the present shaft extension, simply remove the valve casing from the crankcase and rotate the pumps 180 degrees to the desired position. Be certain to rotate the seal case (item #20) as well, so that the weep holes are down at the six o'clock position. Exchange the oil fill and the oil[...]

  • Page 4

    4 Consult the factory for special requirements that must be met if the pump is to operate beyond one or more of the limits specified above. NOTES: In order to drive the pump from the side opposite the present shaft extension, simply remove the valve casing from the crankcase and rotate the pumps 180 degrees to the desired position. Be certain to ro[...]

  • Page 5

    5 Consult the factory for special requirements that must be met if the pump is to operate beyond one or more of the limits specified above. NOTES: In order to drive the pump from the side opposite the present shaft extension, simply remove the valve casing from the crankcase and rotate the pumps 180 degrees to the desired position. Be certain to ro[...]

  • Page 6

    6 EXPLODED VIEW - P420/P420-0011/P420-0021/ P422/ P423 AND P425 PUMPS[...]

  • Page 7

    7 ITEM PART DESCRIPTION QTY. 1 08377 Crankcase 1 2 08378 Oil Fill Plug with Gasket 1 3 06479 Crankcase cover 1 3A 07186 Oil Sight Glass w/ Gasket 1 4 08380 O-Ring 1 5 07109 Oil Drain Plug 1 5A 07182 Gasket for Oil Drain Plug 1 5B 08092 Plug with Gasket 1 6 01010 Screw 4 6A 01011-0400 Spring Washer 4 7 05290 Bearing Cover Open 1 8 05291 Bearing Cove[...]

  • Page 8

    8 Consult the factory for special requirements that must be met if the pump is to operate beyond one or more of the limits specified above. NOTES: In order to drive the pump from the side opposite the present shaft extension, simply remove the valve casing from the crankcase and rotate the pumps 180 degrees to the desired position. Be certain to ro[...]

  • Page 9

    9 Repair Instructions P420/P420-0011/P420-0021/P422/P423 and P425 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 thre[...]

  • Page 10

    10 Contact Giant Industries for service school information. Phone: (419) 531-4600 11) After installation of high pressure seals (23), place seal adaptor (20) with weep seals & pressure ring installed, weep return ring (25) and high pressure weep return ring (24) over plungers. Slide valve casing over plungers and seat firmly. Replace the 8 sock[...]

  • Page 11

    11 PUMP SYSTEM MALFUNCTION MALFUNCTION CAUSE REMEDY The Pressure and/ Worn packing seals Replace packing seals or the Delivery Broken valve spring Replace spring Drops Belt slippage Tighten or Replace belt Worn or Damaged nozzle Replace nozzle Fouled discharge valve Clean valve assembly Fouled inlet strainer Clean strainer Worn or Damaged hose Repa[...]

  • Page 12

    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 cha[...]