Instruction/ maintenance manual of the product P420-0021 Giant
Go to page of 12
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.
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.
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.
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.
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.
6 EXPLODED VIEW - P420/P420-0011/P420-0021/ P422/ P423 AND P425 PUMPS.
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 G.
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.
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.
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.
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.
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.
An important point after buying a device Giant P420-0021 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Giant P420-0021 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Giant P420-0021 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Giant P420-0021 you will learn all the available features of the product, as well as information on its operation. The information that you get Giant P420-0021 will certainly help you make a decision on the purchase.
If you already are a holder of Giant P420-0021, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Giant P420-0021.
However, one of the most important roles played by the user manual is to help in solving problems with Giant P420-0021. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Giant P420-0021 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center