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Sundstrand Sauer Danfoss Series 40 Neutral Start Switch This upgrade of improvements is for the M46 variable and tandem pumps.The improvement was to decrease the control binding, which would create a possibility that it want go in neutral.The NSS cover, cover gasket and mounting table are affected by this improvement. The cover and gasket can be interchangeable with the old style..the new mounting plate is not interchangeable with the old style. So in Sauer’s eyes the whole thing would not be interchangeable. Probably have to replace all the parts.And the older parts have been discontinued. You can get the new...

Sundstrand Sauer Danfoss Series 40 38 Degree MDC Bracket They have improved this bracket by making it stronger. The neutral return bracket by putting more material into the control neutral adjust spot of the neutral return bracket to make it stronger so that it want fail if the limit stops go higher than normal.The new bracket is interchangeable with the older model. But it has been discontinued. Need more info on this subject, let us know800-361-0068sales@hydrostatic-transmission.com

Sundstrand Sauer Danfoss Series 40 NSS NSS – neutral start switch Sauer put this switch in so that when the pump starts up, it has to be in the neutral position in order to work. It is a safety feature to prevent the pump from starting up.This switch is wired into series with the engine starting circuit that can tell if it is in the neutral position, so the engine will not start.There is two ways to get the switch:A. screw terminals – no connectorB. two way sealed connector On the chart it gives more detail about currents and what...

John Deere 755B Transmission Control Valve The 755B and 655B are very close in the way the control valve works. You will need to drain the reservoir or hook up a vacuum pump to hold oil in there. Then disconnect the linkage (B-F). Take out the cap screws and washers (A). Slide control valve toward the front of the unit.Take out the lines (J-O). Shut off all openings using caps and plugs. Take the valve out of the unit. Put the valve on the unit. Then connect lines (J-O). Make sure the cap screws are good and tight (G). Put...

John Deere 655B Crawler System Relief Valve & Circuit Relief Valve The System Relief Valve S/N 733243,761834 John Deere 755B Crawler System Relief Valve & Circuit Relief Valve S/N 733243, 761920 The system relief valve is marked “V” groove around end of cap. If you incorrectly install relief valve pressure settings, it could damage the machine. To not have this happen, don’t loosen the cap (A) or nut (B). This is for cleaning purposes only…on both 655B & 755B types. Install the spring (l) with the large end toward the plug (D).Put in the shims (G) in order. For the...