Toyota Land Cruiser Repair Manual page 15

INTRODUCTION — Precautions When Servicing Full-Time 4WD Vehicles
Indicator Light ON
H
DIFFLOCK
Switch ON
ON-VEHICLE WHEEL BALANCING
When doing on-vehicle wheel balancing on a full-time 4WD
vehicle, to prevent the wheels from rotating at different
speeds or in different directions from each other (which could
lead to damage to the center differential or transfer gears), al-
ways be sure to observe the following precautions:
(1) All four wheels should be jacked up, clearing the ground
completely.
IN0306
(2) The center differential should be in the LOCK position
H
with the transfer gear in H position.
N
L
IN0339 IN0341
(3) The parking brake lever should be fully released.
IN0307
(4) None of the brakes should be allowed to drag.
IN0308
IN-11