2007-04-01 06:01:59 · 3 answers · asked by bigjonesy48 2 in Cars & Transportation ➔ Maintenance & Repairs
first of all you have a hydraulic reservoir the pump picks up oil from,then it is pressurized with a rotating piston group that has a swash plate on one end changing the angle of the swash plate determines the speed of the motor your turning,reversing the plate sends oil the opposite direction
2007-04-01 12:09:39 · answer #1 · answered by bobin35 3 · 0⤊ 0⤋
Fluid is pumped by a pump though the valve body into spring loaded clutches, to apply or release gears.
Shifting is controlled in the valve body by a combination of: Manual shift position, (the shifter) Governor pressure, (hydraulic pressure directly related to vehicle speed) Detent pressure, (hydraulic pressure directly related to throttle angle) and Line pressure, (the pressure from the main pump)
2007-04-01 13:19:59 · answer #2 · answered by BFH 6 · 0⤊ 1⤋
By varying the flow of hydraulic oil with a spool valve.
2007-04-01 13:06:40 · answer #3 · answered by Mr. KnowItAll 7 · 0⤊ 1⤋