DRIVE RANGE - DIRECT (THIRD GEAR)
Intermediate Clutch - ON
Direct Clutch - ON
Forward Clutch - ON
Low and Reverse Clutch - OFF
Intermediate Overrun Roller Clutch - FREE WHEELING
Low and Roller Clutch - FREE WHEELING
Intermediate Overrun Band - OFF
As vehicle speed and governor pressure increases, the force of the governor
also to the 2-3 accumulator piston. The shift is cushioned by the R.N.D. oil
pressure (83 PSI @ W.O.T.) acting on the 2-3 shift valve overcomes the force of
force on the other side of the accumulator pistons.
the 2-3 shift valve spring and modulator oil. This allows the 2-3 shift valve to
move to the upshifted position feeding drive oil to the direct clutch. This oil is
called 2-3 (direct) clutch oil.
Direct (2-3) clutch oil is directed from the 2-3 shift valve to:
1. Direct Clutch
The forward, intermediate and direct clutches are applied. The transmission
2. 2-3 Accumulator
is in drive range - third gear (direct drive).
When in drive range the full throttle 2-3 upshift will occur at approximately
85 MPH and minimum throttle 2-3 upshifts will occur at approximately 22
Direct (2-3) clutch oil from the 2-3 shift valve flows to the direct clutch and