Zetor 8621 Forterra turbo, Operator'S Manual

Page: 73 / 315

73
OPERATION
F 103
ACCELERATIG THE TRACTOR
1. Select road or reduced gear.
2. Depress the clutch pedal.
3. Shift the main shifting lever and
reversor lever into neutral.
4. Start the engine.
5. Set the engine speed to 750 up to
800 RPM.
6. Shift the reversor lever into the
desired direction of tractor movement
(forward or reverse).
7. Shift the proper gear speed suitable
for starting the movement
8. Slightly increase the engine speed.
9. Prepare the parking brake for re-
leasing.
10. Release the clutch pedal up to point
where the tractor starts to move and
simultaneously with engine speed
increasing, continue with smooth
releasing the clutch.
11. Fully release the parking brake.
12. Accelerate smoothly and slowly.
Fast
acceleration can cause the
overload of transmission, increased fuel
consumption, excessive tire wear and
damage of the transported load.
Use the 1
st
gear only for accelerating
when driving with heavy trailer uphill and
in heavy terrain.
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