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Summary of Contents for Muncie MESP-202H
- Page 1 MESP-202H INSTALLATION INSTRUCTIONS AND OWNER’S MANUAL FEATURES • VALVE FUNCTIONS • ADJUSTMENTS • SCHEMATICS HF42407-07 and HF51912-09 Muncie Power Products, Inc.
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Page 2: Table Of Contents
Revised Cartridge Designations, Functions, and Part Numbers ....9 Revised “Open Center” Schematic ............10 Revised “Load Sense” Schematic ............11 Relief Valve Adjustment ................12 Detailed Description of MESP-202H ...........13-15 Original MESP202H — HF42407-07 Revised MESP202H — HF51912-09 * Changes to revised model: 1. -
Page 3: Features
MESP-202H FEATURES FOR GEAR PUMP APPLICATIONS Unloader for low pressure loads when not operating equals low heat and low energy consumption. DIRECT ACTING SOLENOID PROPORTIONAL VALVES For consistent and predictable flow control. POST PRESSURE COMPENSATION Flow stability under varying load. -
Page 4: Original Mesp 202H Workports
ORIGINAL MESP-202H WORKPORTS HF42407-07 DESIGNATION DESCRIPTION SIZE (SAE) TANK TANK PUMP PUMP AUGER SPINNER LOAD SENSE PUMP GAGE PORT... -
Page 5: Revised Mesp 202H Workports
REVISED MESP-202H WORKPORTS APRIL 1, 2009 HF51912-09 DESIGNATION DESCRIPTION SIZE (SAE) TANK TANK PUMP PUMP AUGER SPINNER LOAD SENSE PUMP GAGE PORT ¼" NPTF... -
Page 6: Original Cartridge Designations, Function, And Part Numbers
ORIGINAL MESP-202H MANIFOLD CARTRIDGE DESIGNATIONS, FUNCTIONS, & PART NUMBERS Auger Pressure Compensated Flow Spinner Pressure Control Compensated Flow NXPV72200N00 Control NXPV7030A0N00 Pump Unloader NXEV16S340N10 Main System Relief Load Sense Shuttle NXRV0820H0N3322 NXLS08300N00 Pump Unloader Pilot NXSV08210N00 LS Check Valve NXCV04200N05... -
Page 7: Original "Open Center" Schematic
ORIGINAL MESP-202H “OPEN CENTER” SCHEMATIC ORF1 HF42407-07 VALVES HF42407-07 PORTS HF42407-07 DESIGNATION DESCRIPTION SIZE (SAE) TANK TANK PUMP PUMP AUGER SPINNER LOAD SENSE PUMP GAGE PORT... -
Page 8: Original "Load Sense" Schematic
ORIGINAL MESP-202H “LOAD SENSE” SCHEMATIC ORF1 HF42407-07 VALVES HF42407-07 PORTS CV1 Replaced with CP2 (NXCP0820N) in LS Configuration SV1 Replaced with CP1 (NXCP0820N) in LS Configuration HF42407-07 DESIGNATION DESCRIPTION SIZE (SAE) TANK TANK PUMP PUMP AUGER SPINNER LOAD SENSE PUMP GAGE PORT... -
Page 9: Revised Cartridge Designations, Functions, And Part Numbers
REVISED MESP-202H MANIFOLD 4/1/09 CARTRIDGE DESIGNATIONS, FUNCTIONS, & PART NUMBERS Auger Pressure Spinner Pressure Compensated Flow Compensated Flow Control Control NXPV7220M0N00 NXPV7030AM0N00 Pump Unloader NXEV16S340N10 Load Sense Shuttle NXLS08300N00 Main System Relief NXRV0820H0N3322 Pump Unloader Pilot NXSV0821K0N0 Boost Pressure Cavity Plug... -
Page 10: Revised "Open Center" Schematic
REVISED MESP-202H “OPEN CENTER” SCHEMATIC 4/1/09 ORF1 HF51912-09... -
Page 11: Revised "Load Sense" Schematic
REVISED MESP-202H “LOAD SENSE” SCHEMATIC 4/1/09 ORF1 HF51912-09 SV1 Replaced with CP2 (NXCP0820N) in LS Configuration CV1 Replaced with CP3 (NXCP0820N) in LS Configuration... -
Page 12: Relief Valve Adjustment
MESP-202H RELIEF VALVES HF402407-07 HF51912-09 To Decrease the Pressure Settings 1. The tools required to adjust the relief valves include a ⁄ ¹ " Allen drive and a ¼" Allen drive. 2. Remove the caps from both of the Oil may seep out of relief valves. -
Page 13: Detailed Description Of Mesp-202H
DETAILED DESCRIPTION OF THE ORIGINAL AND REVISED MESP-202H HF42407-07 AND HF51912-09 REFERENCE CIRCUIT SCHEMATIC FOR HF42407-07 OR HF51912-09 Pump Gage Port (PGP) – Indicates the inlet pressure from the pump. This pressure will be approximately 300 PSI higher than the actual pressure at the motors due to the load-sensing operation of the valve network. - Page 14 pressure on the right side of EV1 can only drain through CV1. CV1’s internal bias spring is set for 270 PSI. That means the pressure of EV1’s pilots (both sides) must build to at least 270 PSI before the right side pilot can drain through CV1 and allow EV1 to begin to open.
- Page 15 between the pump flow and the auger/conveyor work port. When it is energized it provides an increasing orifice opening to flow as a result of increasing electric current to its solenoid coil. Its range of flow control is 0-15 gallons-per-minute. A second internal stage of PV2 provides pressure compensation of the flow control.
- Page 16 201 East Jackson Street • Muncie, Indiana 47305 800-367-7867 • Fax 765-284-6991 info@munciepower.com • www.munciepower.com Specifications are subject to change without notice. A Member of the Interpump Group Visit www.munciepower.com for warranties and literature. IN09-05 (Rev. 02-18) All rights reserved. © Muncie Power Products, Inc. (2009)
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