Dead Start Of Tractor In Regular Operation - Automatic Dead Start Function; Dead Start By Means Of Automatic Dead Start Function; Dead Start Of Tractor In Regular Operation - Clutch Pedal; Dead Start - Using The Clutch Pedal - Zetor CRYSTAL HD 150 Operator's Manual

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Dead start of tractor in regular operation - automatic dead start function

- Use the control of travel clutch by reversing lever under the steering wheel for dead start of the tractor.
- Select the slowliest L gear of torque multiplier for dead start of the tractor.
Note: When starting or stopping the engine of the tractor, the fastest gear H is always automatically shifted.
- If the road and reducing speeds shifting lever is shifted in the group of road speeds, shift the lowest gear
speed for tractor dead start with respect for operational conditions.
- Use the lowest possible engine revolutions for tractor´s dead start, such that there is no turn off. After the
switch of travel clutch, increase the engine revolutions according to your needs.

Dead start by means of automatic dead start function

Automatic dead start function is in the shift of reversing lever with engaged applicable gear followed by dead
start without using the clutch pedal or clutch control buttons.
1. Start the engine.
2. Shift appropriate gear for starting the engine.
3. Release the manual brake, if you are standing on a slope, brake the tractor by foot brake.
4. When shifting the reversing lever form neutral to the requested direction of tractor drive (forward or
backward), the tractor starts.
5. When you increase the engine revolutions simultaneously, release the foot brake.
When depressing the clutch pedal, the automatic dead start function is put off from operation.

Dead start of tractor in regular operation - clutch pedal

In regular operation use the clutch pedal only for stopping the tractor. For the need of delicate
inching, e.g. when connecting the tools or when manipulating with tractor in crammed spaces, if
even the reduced gears are not slow enough, use the clutch pedal only for short time.
It is forbidden to control the speed of tractor by partial depression of clutch pedal with engine
revolutions higher than 1200 rpm. Do not use the clutch pedal as a foot rest. There is a risk of limited
service life or failures of travel clutches.

Dead start - using the clutch pedal

1. Start the engine.
2. Depress the clutch pedal.
3. Select road and reduced speeds.
4. Shift an applicable gear for starting the tractor.
5. Shift the reversing lever to the direction requested (forward or backward).
6. Slightly increase the engine revolutions.
7. Prepare the manual brake for unbraking.
8. Release the clutch pedal only to the point of travel engagement and with simultaneous increase of
revolutions continue in a continuous release of the clutch pedal.
9. Fully unbrake the manual brake.
10. Start smoothly and slowly.
Use this way of dead start when you need to inch carefully, for example when connecting tools
etc.
DRIVING OPERATION
97

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This manual is also suitable for:

Crystal hd seriesCrystal hd 170

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