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Sauer Danfoss 40 Series Technical Information

Axial piston pumps
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Series 40
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Summary of Contents for Sauer Danfoss 40 Series

  • Page 1 Series 40 Axial Piston Pumps Technical Information...
  • Page 2 Series 40 Axial Piston Pumps Technical Information Revisions HistoRy of Revisions HistoRy of Revisions Table of Revisions Date Page Changed Rev. June 2009 remove M25U outline drawing July 2008 add plug for Charge pressure construction port October 2007 identified A Pad and B Pad as M35 and M44 July 2007 corrections to table - G factors for sample applications ED June 2006...

  • Page 3: Table Of Contents

    Series 40 Axial Piston Pumps Technical Information Contents GeneRaL DesCRiPtion Series 40 family of pumps and motors....................6 Key features..............................7 M25 variable pump............................8 M35 variable pump (M44 similar)......................8 M46 variable pump............................8 System circuit diagram..........................9 M46 Pump schematic diagram ......................... 9 teCHniCaL Overview .................................10 sPeCifiCations...
  • Page 4 Series 40 Axial Piston Pumps Technical Information Contents featuRes anD oPtions Charge pump..............................25 Charge pump output flow ........................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 Shaft options..............................32 M25 Variable pump .............................33...
  • Page 5 Series 40 Axial Piston Pumps Technical Information Contents instaLLation M25 Variable pump dimensions ......................52 DRawinGs Auxiliary mounting flange ......................52 Pump and control ..........................53 M25 Tandem pump dimensions ......................54 Auxiliary mounting flange ......................54 Pump and control ..........................55 M35/44 Variable pump dimensions.......................57 Auxiliary mounting flange ......................57 Pump, filtration/charge pump option, control................58 M35/44 Tandem pump dimensions ......................59...

  • Page 6: General Description Series 40 Family Of Pumps And Motors

    Series 40 Axial Piston Pumps Technical Information General description seRies 40 famiLy of Series 40 is a family of hydrostatic pumps and motors for medium power applications PumPs anD motoRs with maximum loads of 345 bar [5000 psi].These pumps and motors can be applied together or combined with other products in a system to transfer and control hydraulic power.

  • Page 7: Key Features

    Series 40 Axial Piston Pumps Technical Information General description • Key featuRes 4 sizes of variable displacement pumps • 4 sizes of tandem pumps • 3 sizes of variable displacement motors • 3 sizes of fixed displacement motors • Efficient axial piston design •...

  • Page 8: M25 Variable Pump

    Series 40 Axial Piston Pumps Technical Information General description Input Valve plate m25 vaRiabLe PumP Cylinder shaft Trunnion block Ball bearing Auxiliary Charge check and Piston Swashplate high pressure relief Charge relief valve with bypass valve P100 583E Charge check and m35 vaRiabLe PumP high pressure relief Charge relief...

  • Page 9: System Circuit Diagram

    Series 40 Axial Piston Pumps Technical Information General description system CiRCuit DiaGRam Reservoir Heat exchanger bypass Control handle Filter Displacement Heat control exchanger valve Fixed displacement motor Cylinder Cylinder block block assembly assembly Charge relief valve Bypass valve Output shaft Charge pump Loop flushing...

  • Page 10: Technical Specifications

    Series 40 Axial Piston Pumps Technical Information Technical Specifications oveRview Specifications and operating parameters are shown below. For additional information, Operating parameters, page 13, System design parameters, page 16, Product coding, page 23, Features and options, page 25 and Control options, page 41.

  • Page 11: Operating Parameters

    Series 40 Axial Piston Pumps Technical Information Technical Specifications oPeRatinG model unit m25 Pv m35 Pv m44 Pv m46 Pv m25 Pt m35 Pt m44 Pt m46 Pt PaRameteRs Case pressure Continuous bar [psi] 1.7 [25] maximum bar [psi] 5.2 [75] speed limits Rated @ max angle (rpm)

  • Page 12: Performance

    Series 40 Axial Piston Pumps Technical Information Technical Specifications PeRfoRmanCe The following performance graph provides typical volumetric and overall efficiencies for Series 40 pumps.These efficiencies apply for all Series 40 pumps. Pump performance as a function of operating speed 0 b a r [ 25 0 0 p s i] c y - 34 5 b ar [5 0 00 p si ] Speed - % of rated speed T101 304E...

  • Page 13: Operating Fluids

    Series 40 Axial Piston Pumps Technical Information Operating parameters fLuiDs Ratings and performance data are based on operating with premium hydraulic fluids containing oxidation, rust, and foam inhibitors.These include premium turbine oils, API CD engine oils per SAE J183, M2C33F or G automatic transmission fluids (ATF), Dexron II (ATF) meeting Allison C-3 or Caterpillar T0-2 requirements, and certain specialty agricultural tractor fluids.

  • Page 14: Pressure Ratings

    Series 40 Axial Piston Pumps Technical Information Operating parameters PRessuRe RatinGs The table, Operating parameters, page 11, gives maximum and continuous pressure ratings for each displacement. Not all displacements operate under the same pressure limits. Definitions of the operating pressure limits appear below. system pressure is the differential pressure between system ports A and B.

  • Page 15: Inlet Pressure

    Series 40 Axial Piston Pumps Technical Information Operating parameters inLet PRessuRe Achieving acceptable pump life and performance requires proper charge pump inlet design. A continuous inlet pressure of not less than 0.8 bar abs. (not more than 6.3 in. Hg vac.) is recommended. Normal pressure less than the minimum inlet pressure of 0.7 bar abs.

  • Page 16: System Design

    Series 40 Axial Piston Pumps Technical Information System design parameters sizinG equations Use these equations to help choose the right pump size and displacement for your application. based on si units based on us units • n • η • n • η Flow Output flow Q = Output flow Q =...

  • Page 17: Parameters Filtration

    Series 40 Axial Piston Pumps Technical Information System design parameters fiLtRation Ensure fluid entering pump is free of contaminants to prevent damage (including premature wear) to the system. Series 40 pumps require system filtration capable of maintaining fluid cleanliness at ISO 4406-1999 class 22/18/13 or better. Consider these factors when selecting a system filter: • Cleanliness specifications • Contaminant ingression rates...

  • Page 18: Charge Filtration

    Series 40 Axial Piston Pumps Technical Information System design parameters fiLtRation (continued) Charge filtration Charge filtration Provision for charge pressure filtration is available on all Series 40 pumps.The pressure filter is remotely mounted in the Strainer Reservoir circuit after the charge pump, as shown in the accompanying illustration.

  • Page 19: Redundant Braking System Requirement

    Series 40 Axial Piston Pumps Technical Information System design parameters W Warning ReDunDant bRaKinG system RequiRement unintended vehicle or machine movement hazard. The loss of hydrostatic drive line power, in any mode of operation (forward, neutral, or reverse) may cause the system to lose hydrostatic braking capacity.You must provide a braking system, redundant to the hydrostatic transmission, sufficient to stop and hold the vehicle or machine in the event of hydrostatic drive power loss.

  • Page 20: Bearing Life And External Shaft Loading

    Series 40 Axial Piston Pumps Technical Information System design parameters beaRinG Life anD bearing life is a function of speed, pressure and swashplate angle plus any external exteRnaL sHaft loads. Other life factors include oil type and viscosity. LoaDinG In vehicle propulsion drives with no external loads, where the speed, pressure, and swashplate angle are often changing, normal bearing B10 (90% survival) life will exceed the hydraulic unit life.

  • Page 21: Hydraulic Unit Life

    Series 40 Axial Piston Pumps Technical Information System design parameters beaRinG Life anD 180° External radial shaft load exteRnaL sHaft LoaDinG (continued) 270 R 90 R 180 R P100 594E Direction of external shaft load 0 Re End view of shaf t 90 Re 270 Re Axis of swashplat e...

  • Page 22: Mounting Flange Loads

    Series 40 Axial Piston Pumps Technical Information System design parameters mountinG fLanGe shock load moment is the result of an instantaneous jolt to the system. Continuous LoaDs load moments are generated by the typical vibratory movement of the application. Avoid excessive loading of the mounting flange such as adding tandem mounted auxiliary pumps and/or subjecting pumps to high shock loads.

  • Page 23: Product Coding Model Code

    Series 40 Axial Piston Pumps Technical Information Product coding moDeL CoDe Series 40 variable pump Name plat e Model 4252000 Model-No/Ident-N o. number LPV 025BACCAGAACA Model Co de Model BFFDSFFFANNN co de Serial L - 00 - 13 - 67890 Serial-N o number Made in USA...

  • Page 24: Revised Model Code

    Series 40 Axial Piston Pumps Technical Information Product coding moDeL CoDe Series 40 tandem pump (continued) Name plat e Model 4252000 Model-No/Ident-N o. number LPV 025BACCAGAACA Model Co de Model BFFDSFFFANNN co de Serial L - 00 - 13 - 67890 Serial-N o number Made in USA...

  • Page 25: Features And Options

    Series 40 Axial Piston Pumps Technical Information Features and options CHaRGe PumP Charge flow is required on all Series Charge pump in series 40 - M35 PV 40 units applied in closed circuit installations to make up for internal leakage, maintain positive pressure in the main circuit, provide flow for cooling, replace any leakage losses from external valving or auxiliary systems, and on M46...

  • Page 26: Charge Pump Output Flow

    Series 40 Axial Piston Pumps Technical Information Features and options CHaRGe PumP System features and conditions that may invalidate the 10% of displacement rule include (continued) (but are not limited to): • Operation at low input speeds (below 1500 RPM) •...

  • Page 27: Charge Relief Valve

    Series 40 Axial Piston Pumps Technical Information Features and options CHaRGe ReLief vaLve An integral charge pressure relief valve provides a relief outlet for charge pressure.This valve, in effect, sets charge pressure. Flow through the valve is ported to case. The charge relief valve for the M25, M35, and M44 PV/PT is a flat poppet style valve.The M46 PV/PT uses a cone-style poppet valve.

  • Page 28: Check / High Pressure Relief Valve

    Series 40 Axial Piston Pumps Technical Information Features and options CHeCK / HiGH PRessuRe Charge check and high pressure relief valves maintain circuit pressure in the proper ReLief vaLve range.The check valves allow charge flow to replenish the low pressure side of the working loop.The high pressure relief valves provide pressure protection to the high pressure side of the working loop.There are two cartridge style valves to handle each side of the working loop with flow in either direction.

  • Page 29: Displacement Limiters

    Series 40 Axial Piston Pumps Technical Information Features and options DisPLaCement LimiteRs Series 40 - M46 PV or PT units are designed with optional mechanical displacement (stroke) limiters located in the servo piston.You can limit maximum displacement of the pump to a certain per-cent of its maximum displacement to near zero in either direction. Displacement limits are fixed physical stops inside the pump and are not externally adjustable.

  • Page 30: Auxiliary Mounting Pads And Auxiliary Pumps

    Series 40 Axial Piston Pumps Technical Information Features and options auxiLiaRy mountinG Auxiliary mounting pads are available on all Series 40 pumps. A sealed cover is included PaDs anD auxiLiaRy as standard equipment on all mounting pads. PumPs An O-ring seals the auxiliary pump mounting flange to the pad.The drive coupling is lubricated with oil from the main pump case.
  • Page 31 Series 40 Axial Piston Pumps Technical Information Features and options auxiLLiaRy mountinG Auxiliary mounting pads on Series 40 pumps PaDs anD auxiLiaRy PumPs (continued) M25 PV M35 & M44 PV A Pad B Pad M35 & M44 PV M35 & M44 PV M46 PV P100 593E 520L0635 •...

  • Page 32: Shaft Options

    Series 40 Axial Piston Pumps Technical Information Shaft options sHaft oPtions Series 40 pumps are available with a variety of splined, straight keyed, and tapered shaft ends. Nominal shaft sizes and torque ratings are shown in the table on the next page. Torque ratings assume no external radial loading.

  • Page 33: M25 Variable Pump

    Series 40 Axial Piston Pumps Technical Information Shaft options m25 vaRiabLe PumP torque rating maximum torque Continuous torque rating rating Code Description N•m [lbf•in] N•m [lbf•in] Drawing 140 [1240] Ø 22.20 mm [0.874 in] — 6.35 [0.250] Sq. key Straight keyed 38.1 [1.500] long 0.38 [0.015] min.

  • Page 34: M25 Tandem Pump

    Series 40 Axial Piston Pumps Technical Information Shaft options m25 tanDem PumP torque rating maximum torque Continuous torque rating rating Code Description N•m [lbf•in] N•m [lbf•in] Drawing 140 [1240] Ø 22.20 mm [0.874 in] — 6.35 [0.250] sq. key Straight keyed 38.1 [1.500] long 0.38 [0.015] min.

  • Page 35: M35/44 Variable Pump

    Series 40 Axial Piston Pumps Technical Information Shaft options m35/44 vaRiabLe PumP torque rating maximum torque Continuous torque rating rating Code Description N•m [lbf•in] N•m [lbf•in] Drawing Ø 22.20 mm [0.874 in] 226 [2000] — 6.35 [0.250] sq. key Straight keyed 38.1 [1.500] long 0.38 [0.015] min.

  • Page 36: M35/44 Tandem Pump

    Series 40 Axial Piston Pumps Technical Information Shaft options m35/44 tanDem PumP torque rating maximum torque Continuous torque rating rating Code Description N•m [lbf•in] N•m [lbf•in] Drawing Ø 22.20 mm [0.874 in] 226 [2000] — 6.35 [0.250] sq. key Straight keyed 38.1 [1.500] long 0.38 [0.015] min.

  • Page 37: M46 Variable Pump

    Series 40 Axial Piston Pumps Technical Information Shaft options m46 vaRiabLe PumP torque rating maximum torque Continuous torque rating rating Code Description N•m [lbf•in] N•m [lbf•in] Drawing Ø 25.37 mm [0.999 in] 362 [3200] — 6.35 [0.250] Sq key Straight keyed 44.4 [1.75] long 0.38 [0.015] min R on edges 2.85 [0.112] max...

  • Page 38: M46 Variable Pump

    Series 40 Axial Piston Pumps Technical Information Shaft options m46 vaRiabLe PumP torque rating maximum torque Continuous torque rating rating Code Description N•m [lbf•in] N•m [lbf•in] Drawing 226 [2000] 124 [1100] 13-tooth Coupling must not protrude 16/32 pitch beyond this surface 7.4 [0.29] (ANSI B92.1 1970 - Class 5) 15-tooth...

  • Page 39: M46 Tandem Pump

    Series 40 Axial Piston Pumps Technical Information Shaft options m46 tanDem PumP torque rating maximum torque Continuous torque rating rating Code Description N•m [lbf•in] N•m [lbf•in] Drawing 362 [3200] Ø 25.37 mm [0.999 in] — 6.35 [0.250] sq. key Straight keyed 44.45 [1.75] long 0.38 [0.015] min.

  • Page 40: M46 Tandem Pump

    Series 40 Axial Piston Pumps Technical Information Shaft options m46 tanDem PumP torque rating maximum torque Continuous torque rating rating Code Description N•m [lbf•in] N•m [lbf•in] Drawing 497 [4400] — Ø 25.4 mm [1.000 in] 1:8 taper (SAE J501) 6.35 [0.250] Sq. key 22.23 [0.875] long 0.38 [0.015] min.

  • Page 41: Control Options

    Series 40 Axial Piston Pumps Technical Information Control options DiReCt DisPLaCement The Direct Displacement Control (DDC) can be located on either side of a Series 40 ContRoL (DDC) m25, - M25, M35, or M44 pump. It provides a simple, positive method of control. Movement m35/44 vaRiabLe of the control shaft causes a proportional swashplate movement, thus varying the PumPs...

  • Page 42: Manual Displacement Control (Mdc) M46 Variable Pump

    Series 40 Axial Piston Pumps Technical Information Control options manuaL DisPLaCement The Manual Displacement Control (MDC) converts a mechanical input signal to a ContRoL (mDC) m46 hydraulic signal with a spring centered 4-way servo valve, and ports hydraulic pressure vaRiabLe PumP to either side of a double acting servo piston.The MDC provides output flow to the servo piston in proportion to the angular position of the control handle.The servo piston tilts the cradle swashplate, thus varying the pump’s displacement from full displacement in...

  • Page 43: Response Time

    Series 40 Axial Piston Pumps Technical Information Control options manuaL DisPLaCement MDC on M46 PV MDC Hydraulic schematic ContRoL (mDC) 20° 20° B N A (continued) P100 587E MDC with NSS M46 PV Pump flow direction with MDC control input shaft Rotation Handle PV or Front Rotation...

  • Page 44: External Control Handle Requirements

    Series 40 Axial Piston Pumps Technical Information Control options manuaL DisPLaCement external control handle requirements ContRoL (mDC) m46 Rotation of the control handle to reach full pump displacement is 20°. Maximum handle vaRiabLe PumP rotation is 25°.There is a neutral deadband of ±1.5° (±3.0° with NSS option). A nominal (continued) control handle torque of 1.2 N•m [11 in•lbf ] is required to begin handle rotation (1°) and 1.7 N•m [15 in•lbf ] is required to reach full stroke (20°...

  • Page 45: Hydraulic Displacement Control (Hdc) M46 Variable Pump

    Series 40 Axial Piston Pumps Technical Information Control options HyDRauLiC The Hydraulic Displacement Control (HDC) is a two stage design which uses a hydraulic DisPLaCement input signal to operate a spring centered 4-way servo valve, which ports hydraulic ContRoL (HDC) m46 pressure to either side of a double acting servo piston.The servo piston tilts the cradle vaRiabLe PumP swashplate, thus varying the pump’s displacement from full displacement in one...

  • Page 46: Response Time

    Series 40 Axial Piston Pumps Technical Information Control options HyDRauLiC Pump flow direction with HDC control DisPLaCement input shaft Rotation ContRoL (HDC) m46 vaRiabLe PumP Higher pressure into control port: (continued) PV or front PT Port A flow Port B flow Higher pressure into control port: Rear PT Port C flow...

  • Page 47: Electrical Displacement Control (Edc)

    Series 40 Axial Piston Pumps Technical Information Control options HyDRauLiC HDC Signal requirement for swashplate position DisPLaCement swashplate position (ref above chart) ContRoL (HDC) m46 swashplate movement begins (point a) full displacement reached (point b) vaRiabLe PumP Configuration [psid] [psid] (continued) Standard 1.3±0.5...
  • Page 48 Series 40 Axial Piston Pumps Technical Information Control options eLeCtRiCaL EDC on M46 PV Pump flow direction with EDC control DisPLaCement input shaft rotation ContRoL (eDC) m46 vaRiabLe PumPs Positive signal to pin: PV or (continued) Port A Flow front PT Port B Flow Positive signal to pin: Rear PT...

  • Page 49: Response Time

    Series 40 Axial Piston Pumps Technical Information Control options eLeCtRiCaL Response time DisPLaCement The time required for the pump output flow to change from neutral to full flow ContRoL (eDC) m46 (acceleration) or full flow to neutral (deceleration) is a function of the size of the orifices vaRiabLe PumPs in the servo passages.

  • Page 50: Three-Position Electrical Control (Fnr)

    Series 40 Axial Piston Pumps Technical Information Control options tHRee-Position The three-position Forward-Neutral-Reverse (FNR) is a two stage control that uses a eLeCtRiCaL ContRoL solenoid operated 3-position, 4-way valve to move pump displacement from neutral to (fnR) maximum displacement in either direction. When a solenoid is energized, charge FNR Control on M46 PV pressure is directed to one end of...

  • Page 51: Response Time

    Series 40 Axial Piston Pumps Technical Information Control options tHRee Position Response time eLeCtRiCaL ContRoL The time required for the pump output flow to change from neutral to full flow (fnR) (acceleration) or full flow to neutral (deceleration) is a function of the size of the orifices (continued) in the servo passages.

  • Page 52: Installation Drawings

    Series 40 Axial Piston Pumps Technical Information Installation drawings m25 vaRiabLe PumP Auxiliary mounting flange Dimensions 63.50 [2.500] (4) places 0.4375-14 UNC-2B thd. 19 [0.75] min. ful l thd. (4) places 53.975 [2.125] (4) places Running cover Running cover Mounting flange [ref.

  • Page 53: Pump And Control

    Series 40 Axial Piston Pumps Technical Information Installation drawings m25 vaRiabLe PumP Pump and control Dimensions (continued) 7/8-14* case outlet 54. 9 (alternate) L2 [2.16] 7/16-20* 15° 15° 14.27 [0.562] di a. gauge po rt max. displ. max. displ. (2) places this side f or po rt A M1 4.57 R opposite side f or po rt B M2...

  • Page 54: M25 Tandem Pump Dimensions

    Series 40 Axial Piston Pumps Technical Information Installation drawings m25 tanDem PumP Auxiliary mounting flange Dimensions Running co ver Running cover Mounting flange [ref.] 3/8-16 UNC-2B thd. 318.5 17.8 [0.70] min. full thd. [12.54] (2) places 53.19 0.5 max. R 88.65 dia.

  • Page 55: Pump And Control

    Series 40 Axial Piston Pumps Technical Information Installation drawings m25 tanDem PumP Pump and control Dimensions (continued) 332.5 [13.09] 249.4 [9.82] 211.6 [8.33] 7/8-14* 54.9 Case outlet [2.16] (alternate) L2 14.27 [0.562] dia. 15° 15° 15° 15° (2) places max. displ. max.
  • Page 56 Series 40 Axial Piston Pumps Technical Information Notes 520L0635 • Rev EH • June 2009...

  • Page 57: M35/44 Variable Pump Dimensions

    Series 40 Axial Piston Pumps Technical Information Installation drawings m35/44 vaRiabLe PumP Auxiliary mounting flange Dimensions 80.4 [3.17] (2) places 90.2 [3.55] RUNNING COVER 106.38 [4.188] 7.4 min. 53.19 [0.29] [2.094] 0.375-16 Thd . thru 1.96 (4) holes [0.077] P pitch dia. 0.5 max.

  • Page 58: Pump, Filtration/Charge Pump Option, Control

    Series 40 Axial Piston Pumps Technical Information Installation drawings m35/44 vaRiabLe PumP Pump, filtration/charge pump option, control Dimensions 9/16 - 18* (continued) system pressure Mounting flange gauge port M2 (ref .) (for port B) 203.4 96.5 7/8 - 14* [8.01] to remote filter D [3.80] 183.4...

  • Page 59: M35/44 Tandem Pump Dimensions

    Series 40 Axial Piston Pumps Technical Information Installation drawings m35/44 tanDem PumP Charge pump options, auxiliary mounting flanges Dimensions Charge pressure relief valve 84.8 [3.34] Pump VIEW C-C 7/8 - 14* 216.9 charge pressure inlet E [8.54] (w/o charge pump) Top view (without charge pump) 106.38...

  • Page 60: Pumps, Filtration/Charge Pump Options, Control

    Series 40 Axial Piston Pumps Technical Information Installation drawings m35/44 tanDem PumP Pumps, filtration/charge pump options, control Dimensions (continued) 315.5 [12.42] 280.7 [11.05] Mounting flange w/ chg. pump w/o chg. pump 9/16 - 18* (ref .) system pressure 203.4 gauge port M4 [8.01] 7/8 - 14* (for port D)

  • Page 61: M46 Variable Pump Dimensions

    Series 40 Axial Piston Pumps Technical Information Installation drawings m46 vaRiabLe PumP Auxiliary mounting flanges Dimensions Rear view (no pads shown) 7.4 min. 0.375-16 Thd. [0.29] 20.3 [0.80] min. full thd. depth 1.96 (2) holes [0.077] 0.5 max R 106.38 P pitch dia.

  • Page 62: Pump, Filtration/Charge Pump Options, Mdc, Displacement Limiter

    Series 40 Axial Piston Pumps Technical Information Installation drawings m46 vaRiabLe PumP Pump, filtration/charge pump options, MDC, displacement limiter Dimensions (continued) 84.3 max. [3.32] 264.4 max. [10.41] 7/8 - 14* 212.3 [8.36] to remote filter D 211.8 [8.34] 171.7 [6.76] (pressure filte r 1-1/16 - 12* 143.8 [5.66]...

  • Page 63: M46 Tandem Pump Dimensions

    Series 40 Axial Piston Pumps Technical Information Installation drawings m46 tanDem PumP Auxiliary mounting flange Dimensions M46 PT auxiliary mounting flange and coupling options 59.7 [2.35] auxiliary spline number minimum 0.500-13 Thd. thru mounting pitch dia. of teeth clearance rear mounting hole flange 14.30...

  • Page 64: Pumps, Filtration/Charge Pump Options, Mdc, Displacement Limiters

    Series 40 Axial Piston Pumps Technical Information Installation drawings m46 tanDem PumP Pumps, filtration/charge pump options, MDC, displacement limiters Dimensions 1-5/16 - 12* 1-5/16 - 12* 1-5/8 - 12* (continued) port D port C charge pump inlet S 7/8 - 14* 212.3 [8.36] to remote filter D 493.0 [19.41] max...

  • Page 65: M46 Control Module Dimensions

    Series 40 Axial Piston Pumps Technical Information Installation drawings m46 ContRoL moDuLe M46 PV/PT manual displacement control handle Dimensions Mounting flange location 20° 20° (ref .) 132.3 141. 5 [6.39] 20° 20° [5.57] 19.05 [0.75] 152.8 [6.01] 4.75 3.18 Ø10.08 [0.187] 19.05 [0.75] [0.125]...
  • Page 66 Series 40 Axial Piston Pumps Technical Information Installation drawings m46 ContRoL moDuLe M46 PV/PT hydraulic displacement control Dimensions (continued) 177.8 max. [7.00] 39.6 [1.56] to ports Port X1 Port X2 7/16 -20* 49.0 [1.93] 141.7 [5.58] Control pressure ports To ports (2) places 118.1 [4.65] Side view...
  • Page 67 Series 40 Axial Piston Pumps Technical Information Installation drawings m46 ContRoL moDuLe M46 PV/PT electronic displacement control Dimensions (continued) Sauer-Danfoss mating parts kit part no. K03377 (male terminals) 177.8 max. [7.00] Packard Weather-Pack 2-way tower connector (female terminals) Sauer-Danfoss mating parts kit part no.

  • Page 68: M46 Pv/Pt Electronic Displacement Control

    Series 40 Axial Piston Pumps Technical Information Installation drawings m46 ContRoL moDuLe M46 PV/PT three-position electic displacement control (FNR) Dimensions (continued) Connector per ISO 4400 8.61 (2) Places [218.6] Side view View X front view Variable pump with FNR control Variable pump with FNR control Solenoid Plug Face Side view...

  • Page 69: Schematics Series 40 Variable Pump Schematics

    Series 40 Axial Piston Pumps Technical Information Schematics seRies 40 PvaRiabLe M25 PV PumP sCHematiCs No relief valve P100 637E M35/44 PV Remote pressure filtration (no charge pump) Remote Pressure Filtration Suction Filtration No relief valve P100 638E M46 PV MDC w/NSS B N A Remote pressure...

  • Page 70: Series 40 Tandem Pump Schematics

    Series 40 Axial Piston Pumps Technical Information Schematics seRies 40 tanDem PumP M25 PT sCHematiCs No Relief Valve P100 640E M35/44 PT Remote pressure Remote pressure filtration filtration (no charge pump) Suction filtration No Relief Valve P100 641E M46 PT MDC w/NSS B N A Remote pressure...
  • Page 71 Series 40 Axial Piston Pumps Technical Information Notes 520L0635 • Rev EH • June 2009...
  • Page 72 our Products sauer-Danfoss mobile Power and Control systems – market Leaders worldwide Open circuit axial piston pumps Sauer-Danfoss is a comprehensive supplier providing complete Gear pumps and motors systems to the global mobile market. Fan drive systems Sauer-Danfoss serves markets such as agriculture, construction, road Closed circuit axial piston pumps building, material handling, municipal, forestry, turf care, and many and motors...

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