Giant P400 Series Operating Instructions/ Repair And Service Manual
Triplex ceramic plunger pump
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P400 Series -
22 and 25mm Versions
For Models:
P420
P420-0011
P420-0021
P422
P423
P425
Updated 06/18
Contents:
Installation Instructions:
Pump Specifications (except P425):
Exploded View:
Parts List/Kits:
Pump Specifications (P425):
Repair Instructions/Torque Specs.:
Trouble Shooting Chart:
Recommended Spare Parts List:
Dimensions:
Warranty Information:
Triplex Ceramic
Plunger Pump
Operating Instructions/
Repair and Service Manual
page 2
pages 3-5
page 6
page 7
page 8
pages 9-10
page 11
page 11
back page
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Summary of Contents for Giant P400 Series
- Page 1 P400 Series - Triplex Ceramic Plunger Pump Operating Instructions/ Repair and Service Manual 22 and 25mm Versions For Models: P420 P420-0011 P420-0021 P422 P423 P425 Contents: Installation Instructions: page 2 Pump Specifications (except P425): pages 3-5 Exploded View: page 6...
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Page 2: Installation Instructions
VG 220 industrial gear oil (e.g. Aral Degol BG220) nearby. or automobile gear oil SAE 90 GL4 (Giant p/n 01154). Giant Plunger Pumps are suitable for pumping clean water and other non-agressive or non-... -
Page 3: Specifications
Specifications Models P420A, P420A-0011, P420A-0021 U.S. (Metric) Volume ............Up to 12.8 GPM ..... (48.4 L/min) Discharge Pressure ........Up to 2175 PSI ....(150 bar) Maximum Power Consumption .....19.2 BHP ......(14.3 kW) Inlet Pressure ..........-4.35 to 145 PSI ....(-.3 to 10 bar) Stroke ............0.945”... - Page 4 Specifications Model P422 U.S. (Metric) Volume ............Up to 9.9 GPM ....(37.3 LPM) Discharge Pressure (Continuous) ....Up to 2610 PSI ....(180 bar) Discharge Pressure (Intermittent) ....Up to 3000 PSI ....(200 bar) Maximum Power Consumption .....17.7 BHP ......(13.2 kW) Inlet Pressure ..........-4.35 to 145 PSI ....
- Page 5 Specifications Model P423 U.S. (Metric) Volume ............Up to 8.2 GPM ....(31.1 LPM) Discharge Pressure ........Up to 2900 PSI ....(200 bar) Maximum Power Consumption .....16.4 BHP ......(12.2 kW) Inlet Pressure ..........-4.35 to 145 PSI ....(-.3 to 10 bar) Stroke ............0.79”...
- Page 6 EXPLODED VIEW - P420 / P420-0011 / P420-0021 / P422 / P423 AND P425 PUMPS...
- Page 7 13390 Weep Seal 08376 Pressure Ring 06252 Pressure Ring Oil Seal Kit Valve Assembly Kit P420, P422, P423, P425 - # 09143 P400 Series - # 09641 Item Part # Description Qty. Item Part # Description 08408 Valve Assembly, Complete...
- Page 8 Specifications Model P425 U.S. (Metric) Volume ............Up to 10.7 GPM ..... (40.4 LPM) Discharge Pressure ........Up to 2465 PSI ....(170 bar) Maximum Power Consumption .....18.1 BHP ......(13.5 kW) Inlet Pressure ..........-4.35 to 145 PSI ....(-.3 to 10 bar) Stroke ............0.787”...
- Page 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, 3) By inserting a small screw 2) Using needle nose pli- remove the three dis- driver between the valve ers, remove the inlet and charge valve plugs and seat (27) and the valve...
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Page 10: Torque Specifications
Screw with Washer 133 in.-lbs. 15 Nm 05349 Connecting Rod Screw 97 in.-lbs. 11 Nm 08399 Tensioning Screw Loctite 243 20.7 ft.-lbs. 28 Nm 08373 Plug Loctite 243 107 ft.-lbs. 145 Nm 08396 Cap Screw Lightly Oil 30 ft.-lbs. 40 Nm Contact Giant Industries for service school information. Phone: (419) 531-4600... - Page 11 Replace plungers Inlet pressure too high Reduce inlet pressure High Crankcase Wrong Grade of oil Giant oil is recommended Temperature Improper amount of oil in crankcase Adjust oil level to proper amount Preventative Maintenance Check List & Recommended Spare Parts List...
- Page 12 Liability under this warranty is on all non-wear parts and limited to the replacement or repair of those products returned freight prepaid to Giant Industries which are deemed to be defective due to workmanship or failure of material. A Returned Goods Authorization (R.G.A.) number and completed warranty evaluation form is required prior to the return to Giant Industries of all products under warranty consideration.
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