Ford 750 2009 Owner's Manual page 135

Automatic transmissions:
• Use LO range for when you drive
a fully loaded vehicle on a severe
grade or in congested traffic. To
activate LO range, press the
upper portion of the switch.
• Use HI range for all normal
driving conditions with a lightly
loaded or partially loaded vehicle.
To activate HI range, press the
lower portion of the switch.
Note: You cannot split-shift with an automatic transmission. Also,
downshifting above 40 mph (64 km/h) may result in transmission or axle
damage.
Shifting the axle from LO to HI range - vehicle stopped
Place the transmission in N (Neutral), then press the lower part of the
switch.
Shifting the axle from LO to HI range - vehicle moving
Accelerate to approximately 35 mph (56 km/h), press the lower part of
the switch while the transmission is in N (Neutral), then release and
apply the accelerator.
Shifting the axle from HI to LO range - vehicle stopped
Place the transmission in N (Neutral), then press the upper part of the
switch.
Note: Do not shift the axle to LO range with the vehicle in motion.
Split-shifting
(combined axle and transmission shift - manual transmissions only)
Ratio 1 2
combination
Transmission 1st 1st
gear
Axle range LO HI
To downshift the axle to a slower ratio and shift the transmission, shift
the transmission and move the control switch to the lower ratio before
the clutch is re-engaged.
2009 F-650/750 (f67)
Supplement
USA (fus)
Split-shift sequence
3 4 5 6 7
2nd 2nd 3rd 3rd 4th 4th 5th 6th 6th
LO HI LO HI LO
Driving
2SPD
LOW
8 9 10 11
HI LO LO HI
135