Allied Systems W8L Operating Manual page 48

LINE-IN
Step 3. The operator can move the control lever to the
LINE-IN position. If the load is less than approximately
75% of the maximum line pull, the operator can begin
traveling with the vehicle at the same time. The winch will
wind the load toward the vehicle as it travels. If the load is
nearly the capacity of the line pull, the operator must move
the load close to the vehicle before beginning to travel.
36
BRAKE-OFF
OR
Step 4. If the dozer or skidder must travel through an
area with bad traction conditions, the operator can move
the control lever to either of the BRAKE-OFF (DETENT)
positions. This procedure will permit the vehicle to move
through the bad traction area while keeping the wire rope
tight, but without pulling the load at the same time.