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General Information
Service Parts Identification............................................................................................................................................................5
Nameplate...........................................................................................................................................................................................5
Date code............................................................................................................................................................................................ 6
About service bulletins...................................................................................................................................................................6
Procedure to identify a part..........................................................................................................................................................6
Regional part numbers............................................................................................................................................................. 6
Order code.......................................................................................................................................................................................... 7
Input Shaft Configuration
S42 28/32cc Shaft options.............................................................................................................................................................8
Control
MDC Controls.................................................................................................................................................................................. 10
MDC...............................................................................................................................................................................................10
MDC with Solenoid.................................................................................................................................................................. 16
MDC with Neutral Start Switch............................................................................................................................................31
MDC with Solenoid and Neutral Start Switch.................................................................................................................37
EDC Controls....................................................................................................................................................................................58
EDC.................................................................................................................................................................................................58
HC-EDC.........................................................................................................................................................................................61
3 Position Control.......................................................................................................................................................................... 64
3-Position Control.....................................................................................................................................................................64
NFPE Controls..................................................................................................................................................................................66
NFP Electric and Hydraulic.................................................................................................................................................... 66
Control Response
Gasket/Orifice..................................................................................................................................................................................68
Housing
Housing XDC, Base........................................................................................................................................................................ 70
Housing XDC, Full Featured....................................................................................................................................................... 72
Housing XDC, with Loop Flushing...........................................................................................................................................74
Housing XDC, No Loop Flushing, Full Flow Filtration.......................................................................................................76
Housing NFPH, no loop flushing, no filter.............................................................................................................................78
Housing NFPH, Full Featured.....................................................................................................................................................80
Housing NFPH Near Tandem, Rear Pump.............................................................................................................................82
Housing NFPH, Base......................................................................................................................................................................84
Housing NEPE/NFR, Full Featured............................................................................................................................................86
Housing NEPE/NRF No Loop Flushing, Full Flow Filtration............................................................................................ 88
Charge Pump
Charge Pump 11cc and 15.6cc..................................................................................................................................................90
Charge Pump, with and without Auxiliary Mounting Pad..............................................................................................92
System Pressure Protection
System Check Relief...................................................................................................................................................................... 94
Loop By-pass
By-pass Valve.................................................................................................................................................................................100
Displacement Limiter
Side 1................................................................................................................................................................................................102
Side 2................................................................................................................................................................................................111
Special Hardware
Speed Sensor and Valve Plate.................................................................................................................................................117
Loop Flushing
Loop Flushing Spool and Relief Valve..................................................................................................................................121
Loop Flushing Defeated............................................................................................................................................................125
Filtration
Filtration..........................................................................................................................................................................................127
Parts Manual
Series 42 Pumps 28/32cc
Contents
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Danfoss | June 2019 AX00000159en-000203 | 3