Full Veb/Veb+ In Manual Mode; Extra Down-Changing For Maximum Engine Brake In Low Gears; Changing Driving Direction; Driving With The Gearbox-Mounted Power Take-Off Engaged - Volvo FM Handbook

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Full VEB/VEB+ in manual mode

To increase comfort when driving in automatic mode,
the engine brake performance is somewhat limited in
low gears. When maximum engine braking is required
e.g. in construction site driving, move the gear shift
lever to the M position and change gear manually.
Extra down-changing for maximum engine brake in low
gears
For maximum comfort in low gears, the braking
program B does not permit more than one down-
change at a time when the gearbox has one of these
gears engaged. To get maximum braking power e.g. at
construction site driving, move the auxiliary brake
stalk to the B position repeatedly, which results in a
down-change each time. Thereby a higher engine
speed and maximum engine brake is obtained.

Changing driving direction

(Applies only to trucks equipped with EBS)
The driving direction, forwards (A or M) or backwards
(R), can be changed while driving using the gear
shifter without the brake pedal being used. The truck
does not need to be standing still. The truck brakes
slowly down automatically and when stationary the
gear is changed for the new driving direction.

Driving with the gearbox-mounted power take-off engaged

If the power take-off is engaged when the gear shift
lever is in the N position, it is possible to move the
truck by moving the gear shift lever to the A or M
position. The power take-off will then stop temporarily
when driving.
It is possible to engage the power take-off while
driving at low speeds e.g. for gritting. To spare the
gearbox, no gear changing should be done.
I-Shift 253
Note!
The function must only be used
when marshalling.

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