FORD 1998 F-150 - Manual (Page 124)

3. Lockout the center disconnect
by capping off one of the front
axle vacuum motor lines. See your
Ford dealer for assistance.
4. Vehicle speed should not exceed
88 km/h (55 mph) and there are
no mileage restrictions.
4WD – Electronic shift transfer
case
1. Place transmission in N
(Neutral).
2. Shift the transfer case to 2H
(2WD high).
3. Lockout the center disconnect
by capping off one of the front
axle vacuum motor lines. See your
dealer for assistance.
4. Maximum speed is 56 km/h
(35 mph).
5. Maximum distance is 80 km
(50 miles).
If a distance of 80 km (50 miles)
or a speed of 56 km/h (35 mph)
must be exceeded, you must
disconnect the rear driveshaft.
With the rear driveshaft
disconnected, the maximum speed
is 88 km/h (55 mph) and there are
no mileage restrictions.
See your dealer for help with
disconnecting the driveshaft.
SNOWPLOWING
Ford recommends the following
specifications for low speed,
personal use snow removal:
Driving
124