Engaging The Differential Locks On 6X6 - Volvo FM Driver's Handbook Manual

2 Differential lock

Engaging the differential locks on 6x6

Engage the differential lock just before
reaching the slippery surface and disengage
it once you have past the slippery surface.
None of the wheels may be spinning before
the differential lock is engaged!
1 Make sure none of the wheels are spin-
ning
2 Depress the clutch pedal
3 Engage the differential lock between the
rear axles.
The control lamp on the instrument panel
will come on.
4 Engage the differential lock between the
wheels on the rear axles.
The control lamp on the instrument panel
will flash.
Note! The differential lock is not engaged
until the warning lamp on the instrument
panel flashes. The differential lock is en-
gaged as long as the warning lamp is
flashing, even if the switch is turned off.
Warning!
Drive carefully once the dif-
ferential lock is engaged. Never turn
corners on firm ground with the differ-
ential lock engaged.
First position, differential lock in
transfer gearbox engaged. The
lamp on the instrument panel will
come on.
Second position, differential lock
in transfer gearbox and rear axles
engaged. The axle differential
lamp flashes and the lamp for the
transfer gear comes on.
1:402
T4017789
T4017790