Daf LF.book - Peterbilt Motors Company

Manual Gearbox
- Pre-selection is permitted. Actual shifting from the low to the high range or vice
versa takes place as the gear lever passes through neutral.
- Wait until the vehicle is at a standstill before engaging reverse. Failure to do so
may result in serious damage to the clutch, gearbox and engine.
Note:
If shifting from the high to the low range takes place at too high a vehicle speed,
a safety device will prevent shifting to the low range.
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The reverse gear may only be selected 5 seconds after the vehicle
has come to a stop. When shifting down, you must always ensure
that the speed is not too high for the gear you are selecting. There
is also a safety device for shifting up from the low speed group to
the high speed group. If you forget to turn the range-change switch
to the uppermost position (position B), it is possible to switch from
4th gear to 1st gear rather than 5th gear. This may cause serious
damage to the clutch, gearbox and engine.
Driving
- Select the highest possible gear while at the same time keeping the engine
speed in the green zone of the rev counter.
- When speeding up, keep the engine speed within the green area of the rev
counter as much as possible.
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