Technical specifications
H1P general specifications............................................................................................................................................................5
Technical data H1P 069/078.........................................................................................................................................................5
Operating parameters H1P 069/078..........................................................................................................................................6
Fluid specifications H1P ................................................................................................................................................................6
External radial shaft loads............................................................................................................................................................. 7
Bearing life H1P 069/078............................................................................................................................................................... 7
Mounting flange loads H1P 069/078.........................................................................................................................................7
Charge pump.....................................................................................................................................................................................9
Charge pump sizing/selection............................................................................................................................................... 9
Charge pump flow and power curves, 14/17 cm³...........................................................................................................9
Master model code H1P 069/078
Control options
Electrical Displacement Control (EDC), options: A2 (12 V) / A3 (24 V)........................................................................ 16
EDC control signal requirements........................................................................................................................................16
EDC solenoid data.................................................................................................................................................................... 17
Control response.......................................................................................................................................................................17
Response time EDC 069/078................................................................................................................................................ 18
Manual Displacement Control (MDC) ....................................................................................................................................19
MDC principle............................................................................................................................................................................ 19
MDC general information......................................................................................................................................................20
Shaft rotation MDC.................................................................................................................................................................. 20
Control response.......................................................................................................................................................................20
Response time, MDC 069/078..............................................................................................................................................21
Neutral Start Switch (NSS)..................................................................................................................................................... 21
Case gauge port M14.............................................................................................................................................................. 22
Lever..............................................................................................................................................................................................22
Forward-Neutral-Reverse electric control (FNR), options: A9 (12 V) and B1 (24 V)................................................ 23
Control response.......................................................................................................................................................................24
Response time, FNR................................................................................................................................................................. 24
Non Feedback Proportional Electric Control (NFPE), options: A8 (12 V) / B8 (24 V)...............................................25
Control signal requirements, NFPE 069/078...................................................................................................................25
Control response.......................................................................................................................................................................26
Response time, NFPE 069/078............................................................................................................................................. 27
Automotive Control (AC).............................................................................................................................................................28
Mode types................................................................................................................................................................................. 28
Basic functions...........................................................................................................................................................................28
Performance functions........................................................................................................................................................... 29
Protection and safety functions.......................................................................................................................................... 29
Engine control and protection.............................................................................................................................................29
Installation features................................................................................................................................................................. 29
Fan Drive Control (FDC), options: F1 (12V) / F2 (24V)....................................................................................................... 30
Control response.......................................................................................................................................................................32
Response time, FDC 069/078................................................................................................................................................32
Manual Over Ride (MOR).............................................................................................................................................................33
Swash Plate Angle Sensor for AC2 controls..........................................................................................................................34
Swash plate angle sensor parameters.............................................................................................................................. 34
Swash angle sensor connector............................................................................................................................................34
Swashplate angle vs output voltage graph with calculation formula.................................................................. 35
Interface with ECU....................................................................................................................................................................35
Control-Cut-Off valve (CCO valve)........................................................................................................................................... 36
CCO solenoid data....................................................................................................................................................................36
Brake gauge port with MDC................................................................................................................................................. 37
Displacement limiter.....................................................................................................................................................................38
Displacement change (approximately) H1P 069/078................................................................................................. 38
Dimensions
H1P input shaft - Option G1 (SAE C, 14 teeth).....................................................................................................................39
H1P input shaft - Option G9 (SAE C-C, 23 teeth).................................................................................................................40
Technical Information
H1 Axial Piston Single Pumps, Size 069/078
Contents
11062169 • Rev 0700 • November 2015 3
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