Page 2 - INSTALLATION INSTRUCTIONS; IMPORTANT OPERATING CONDITIONS
2 INSTALLATION INSTRUCTIONS 4. Use of a dampener is necessary to minimizepulsation at drive elements, plumbing, connections,and other system areas. The use of a dampener withGiant Industries, Inc. pumps is optional, althoughrecommended by Giant Industries, Inc. to furtherreduce system pulsation. Dam...
Page 3 - We recommend a 1.15 service factor; Specifications; P420 HORSEPOWER REQUIREMENTS
3 NOTES: In order to drive the pump from the side opposite the present shaftextension, simply remove the valve casing from the crankcase androtate the pumps 180 degrees to the desired position. Be certain torotate the seal case (item #20) as well, so that the weep holes aredown at the six o'clock po...
Page 4 - P422 HORSEPOWER REQUIREMENTS
4 Consult the factory for special requirements that must be met if the pump isto operate beyond one or more of the limits specified above. NOTES: In order to drive the pump from the side opposite the present shaftextension, simply remove the valve casing from the crankcase androtate the pumps 180 de...
Page 5 - P423HORSEPOWER REQUIREMENTS
5 Consult the factory for special requirements that must be met if the pump isto operate beyond one or more of the limits specified above. NOTES: In order to drive the pump from the side opposite the present shaftextension, simply remove the valve casing from the crankcase androtate the pumps 180 de...
Page 7 - Plunger Packing Kits
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...
Page 8 - P425 HORSEPOWER REQUIREMENTS
8 Consult the factory for special requirements that must be met if the pump isto operate beyond one or more of the limits specified above. NOTES: In order to drive the pump from the side opposite the present shaftextension, simply remove the valve casing from the crankcase androtate the pumps 180 de...
Page 10 - Position; Screw with Washer
10 Contact Giant Industries for service school information. Phone: (419) 531-4600 11) After installation of high pressure seals (23), place sealadaptor (20) with weep seals& pressure ring installed,weep return ring (25) and highpressure weep return ring (24)over plungers. Slide valvecasing over ...
Page 11 - PUMP SYSTEM MALFUNCTION; Oil Leaks; Recommended Spare Parts
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...
Page 12 - GIANT INDUSTRIES LIMITED WARRANTY
GIANT INDUSTRIES LIMITED WARRANTY Giant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free from defects inworkmanship and material as follows: 1. For portable pressure washers and self-service car wash applications, the discharge manifoldswill never fail, period. If ...