Sauer Danfoss 40 Series - Page 4

520L0635 • Rev EH • June 2009
4
Series 40 Axial Piston Pumps
Technical Information
Contents
CONTROL OPTIONS
FEATURES AND OPTIONS
SHAFT OPTIONS
Charge pump .................................................................................................................................................25
Charge pump output ow ........................................................................................................................26
Charge pump power requirements .......................................................................................................26
Charge relief valve ........................................................................................................................................27
Check / high pressure relief valve ...........................................................................................................28
Displacement limiters .................................................................................................................................29
Auxiliary mounting pads and auxiliary pumps .................................................................................30
Shaft options ..................................................................................................................................................32
M25 Variable pump .....................................................................................................................................33
M25 Tandem pump .....................................................................................................................................34
M35/44 Variable pump ...............................................................................................................................35
M35/44 Tandem pump ...............................................................................................................................36
M46 Variable pump .....................................................................................................................................37
M46 Variable pump .....................................................................................................................................38
M46 Tandem pump .....................................................................................................................................39
M46 Tandem pump .....................................................................................................................................40
Direct displacement control (DDC) M25, M35/44 variable pumps .............................................41
External control handle requirements ............................................................................................41
Manual displacement control (MDC) M46 variable pump ............................................................42
Features ......................................................................................................................................................42
Benets .......................................................................................................................................................42
Response Time .........................................................................................................................................43
External Control Handle Requirements ..........................................................................................44
Handle direction .....................................................................................................................................44
Neutral Start Switch (NSS) ...................................................................................................................44
Hydraulic displacement control (HDC) M46 variable pump .........................................................45
Features ......................................................................................................................................................45
Benets .......................................................................................................................................................45
Response Time .........................................................................................................................................46
Control Input Signal Requirements ..................................................................................................46
HDC Options .............................................................................................................................................46
Electrical displacement control (EDC) ...................................................................................................47
Features ......................................................................................................................................................47
Benets .......................................................................................................................................................47
Response time .........................................................................................................................................49
Control input signal requirements ...................................................................................................49
Electrical displacement control options .........................................................................................49
Three-position electrical control (FNR) .................................................................................................50
Features / Benets ..................................................................................................................................50
Response time .........................................................................................................................................51
Control input signal requirements ...................................................................................................51