UD Trucks QUESTER Series, Owner'S Manual

Page: 95 / 244

3. EQUIPMENT DESCRIPTION AND OPERATION
3-43
3.10 Differential lock
Information
The purpose of the differential lock is
to provide maximum traction and
control of the vehicle on terrain and
roads in adverse conditions.
1. On a firm surface, it is not
required to apply differential lock
as the wheels can rotate freely.
2. Without applying differential lock
w h i l e d r i v i n g o n a s l i p p e r y
s u r f a c e t h e w h e e l o n t h e
slippery surface turns and the
vehicle remains stationary.
3. While driving on a slippery
surface deactivate the differential
lock only when both wheels are
gripping normally.
The differential lock can be locked or
unlocked if the vehicle is stationary.
When the differential lock is on, the
vehicle should move at low speeds,
below 40 km/h.
CAUTION
D o n o t t u r n t h e v e h i c l e w i t h
d i f f e r e n t i a l l o c k a p p l i e d . I t
could damage the axle if you
turn the vehicle with differential
lock applied.