TRANSMISSION
Ch 2 page 30 Ch 2 page 31
TRANSMISSION
SHOP MANUAL MT26/31 - 08.2006 SHOP MANUAL MT26/31 - 08.2006
TRANSMISSION
Ch 2 page 30 Ch 2 page 31
TRANSMISSION
SHOP MANUAL MT26/31 - 08.2006 SHOP MANUAL MT26/31 - 08.2006
− Shifting of the various outputs.
− Axle disconnection/Interaxle differential.
Both interlocks can be preselected during the drive via a switch. At exceeding the driving
speed below 5 km/h and unloaded transmission, the interlocks engage of automatically.
Attention:
The engagement is only then permitted, if no speed
difference between the axles is prevailing.
If the vehicle will be stopped and is standing with running engine and engages transmission,
the engine cannot be stalled.
On a level and horizontal road, it is possible that the vehicle begins
to crawl because the engine is creating at idling speed via the converter a slight drag moment.
It is convenient to brake the vehicle at every stop securely in position this the parking brake.
At longer stop periods, the Controller must be put to the
NEUTRAL POSITION.
At the start off, the parking brake has to be released. We know from experience that at a converter
transmission it might not immediately be noted to have forgotten this quite normal operating
step because a converter, due to its high ratio, can easily overcome the braking moment
of the parking brake.
Temperature increases in the converter oil as well as overheated brakes will be the consequences
to be find out later.
Cold start:
At an oil temperature in the shifting circuit < -12° C, the transmission must be warmed-up for
some minutes.
This must be carried out in Neutral with an increased engine speed (about 1500 min -1 ).
Until this oil temperature is reached, the Electronics remains in Neutral, and the symbol of the
cold start phase will be indicated on the ZF-Display.
Indication on the Display:
After the indication on the ZF-Display is extinguished, the full driving program can be utilized
out of „NEUTRAL“.
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