Muncie MESP-202H, HF42407-07, HF51912-09 Owner's Manual
MESP-202H
INSTALLATION INSTRUCTIONS
AND OWNER’S MANUAL
FEATURES • VALVE FUNCTIONS • ADJUSTMENTS • SCHEMATICS
Muncie Power Products, Inc.
HF42407-07 and
HF51912-09
TABLE OF CONTENTS
DESCRIPTION PAGE
Features ....................................................................................................... 3
Hydraulic Specifications ............................................................................. 3
Original MESP 202H Workports .................................................................. 4
Revised MESP 202H Workports ................................................................. 5
Original Cartridge Designations, Function, and Part Numbers ................. 6
Original “Open Center” Schematic ............................................................. 7
Original “Load Sense” Schematic .............................................................. 8
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. Eliminated CV2 (HF42407-07)
2. Moved PGP gage port from side (on HF42407-07) to front face.
2
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.
VERSATILE 2 DESIGN OPTIONS
Load Sense (variable displacement pumps) or Open Center (fixed displacement pumps).
2 ADJUSTABLE RELIEF VALVES
One inlet relief and one output relief.
HYDRAULIC SPECIFICATIONS
Maximum Inlet Flow ....................................................................... 30 GPM
Maximum System Pressure .........................................................3,000 PSI
Unloaded Pressure Drop ............................................... 40 PSI AT 25 GPM
Auger Flow (Proportional) .............................................................. 15 GPM
Spinner Flow (Proportional) ............................................................. 7 GPM
Main Relief ............................................................... Factory Setting 2,200
Spreader Relief ........................................................ Factory Setting 2,000
(PSI Adjustable)
(Pressure Compensated)
(Pressure Compensated)
(PSI Adjustable)
3
ORIGINAL MESP-202H WORKPORTS
T2
PGP
LS
P2
A
T
P
S
HF42407-07
DESIGNATION DESCRIPTION SIZE (SAE)
T TANK 12
T2 TANK 12
P PUMP 12
P2 PUMP 16
A AUGER 12
S SPINNER 12
LS LOAD SENSE 4
PGP PUMP GAGE PORT 6
4
REVISED MESP-202H WORKPORTS
APRIL 1, 2009
A
T
P
S
HF51912-09
DESIGNATION DESCRIPTION SIZE (SAE)
T TANK 12
T2 TANK 12
P PUMP 12
P2 PUMP 16
A AUGER 12
S SPINNER 12
LS LOAD SENSE 4
PGP PUMP GAGE PORT ¼" NPTF
5
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