FORD 2002 F-550 v.2 - Manual (Page 149)

Shifting from 2H (2WD High) to 4H (4WD High)
Engage the locking hubs by rotating
the hub lock control from FREE to
LOCK, then move the transfer case
lever from 2H (2WD High) to 4H
(4WD High).
• For proper operation, make
sure that the arrow and the
indicator dot on the hub are
aligned, and that both hubs
are set to LOCK.
Do not shift into 4H (4WD High)
with the rear wheels slipping.
Shifting from 4H (4WD High) to 2H (2WD High)
Move the transfer case lever to 2H
(2WD High) at a stop or any
forward speed up to 88 km/h
(55 mph).
With the vehicle at complete stop,
disengage the locking hubs
(optional) by rotating the hub lock
control from LOCK to FREE.
• For proper operation, make sure that the arrow and the
indicator dot on the hub are aligned, and that both hubs are set
to FREE
Shifting from 4H (4WD High) to 4L (4WD Low)
1. Bring the vehicle to a complete stop.
2. Depress the brake.
2H
4H
4L
N
2H
4H
4L
N
Driving
149