Why is soil building up in front of the cutterbar on my KUHN ALTERNA 400 Lawn Mower?
Soil build up in front of the cutterbar of your KUHN Lawn Mower can be caused by too much cutterbar down pressure. Adjust the mowing unit ground pressure to resolve this. It can also happen in very wet working conditions, in such case adjust the mowing unit ground pressure and the cutting height.
How to fix poor cutting quality on my KUHN ALTERNA 400 Lawn Mower?
If the KUHN Lawn Mower has poor cutting quality, it could be due to several reasons. The PTO speed (rotational frequency) might be insufficient; in this case, bring the PTO speed up to 1000 rpm (min-1) and set it with the hand throttle. Another cause may be knives fitted incorrectly: check that the arrow marked on the knife corresponds with the disc’s direction of rotation. Also, damaged or broken knives can be the reason, so replace them. Excessive forward speed can cause this problem, so reduce your forward speed. Finally, the flotation of the cutterbar/conditioning unit may be poorly adjusted; in this case, adjust the down pressure of the cutting/conditioning unit.
What to do if the rotor is clogging on my KUHN ALTERNA 400?
If the rotor is clogging on your KUHN Lawn Mower, it could be due to insufficient PTO speed (rotational frequency). Bring the PTO speed (rotational frequency) up to 1000 rpm (min-1) and set it with the hand throttle. Also, retension or replace belts and check that the tensioning pulley is correctly aligned in respect to the drive and driven pulleys.
What to do if soil accumulates in front of the cutterbar on my KUHN ALTERNA 400?
If soil accumulates in front of the cutterbar of your KUHN Lawn Mower, reduce the cutting/conditioning unit down pressure.
Why is there uneven stubble with my KUHN ALTERNA 400 Lawn Mower?
Uneven stubble on your KUHN Lawn Mower can occur due to several reasons. The PTO speed might be too low; if so, increase the speed to 1000 min-1. The knives might be dull or broken, requiring replacement. Ensure knives are installed correctly, with the arrow on the knife's upper face pointing in the disc's rotation direction. Excessive ground speed can also cause this, so reduce your ground speed. Adjust the mowing unit ground pressure if the mowing unit floatation is incorrect. For tangled and down crops, reduce the cutting height and adjust the mowing unit ground pressure.
How to fix badly shaped windrows with KUHN ALTERNA 400 Lawn Mower?
Badly shaped windrows from your KUHN Lawn Mower can result from several factors. Slipping belts can cause this; check the rotor drive belts and replace them if needed. If the PTO speed is too low, increase it to 1000 min-1. Excessive ground speed can also lead to this issue, so reduce your ground speed. Ensure the comb angle is adapted according to the grass condition, and adjust both swath shields if they are incorrectly adjusted.
What to do if there is obstruction of conditioning rotor in KUHN Lawn Mower?
Obstruction of the conditioning rotor in your KUHN Lawn Mower can be caused by several issues. The drive belts might be slipping; retension them, replace if necessary, and check their alignment. Insufficient rotor speed could also be the problem; check the rotor drive belts and replace if necessary, or increase the speed to 1100 min-1. Additionally, check if the swath shields are too closed and open them if necessary.
Why does KUHN ALTERNA 400 Lawn Mower require too much pull power?
If your KUHN Lawn Mower requires too much pull power, it might be due to excessive cutterbar down pressure. Try adjusting the mowing unit ground pressure to resolve this issue.
How to improve bad ground contour adaptation on KUHN ALTERNA 400?
Bad ground contour adaptation with your KUHN Lawn Mower can occur due to several reasons. Excessive floatation may be the cause; increase the mowing unit ground pressure. Excessive ground speed can also lead to this issue, so reduce your ground speed. Check and adjust the height of lower links to 650 mm (2’1’’) as an incorrect tractor lift linkage setting may also be the cause.
Why are leaves and stems damaged by KUHN ALTERNA 400?
Leaves and stems are damaged on your KUHN Lawn Mower due to incorrect comb angle. Adjust combs according to grass condition.
General| Brand | KUHN |
|---|---|
| Model | ALTERNA 400 |
| Category | Lawn Mower |
| Language | English |
General safety guidelines and imperative precautions for safe machine operation.
Safety measures for operating the machine on roads and during transport.
Safety procedures to follow before and during maintenance or repair activities.
Step-by-step instructions for attaching and detaching the machine from the tractor.
Guide to connecting hydraulic hoses and electrical plugs between tractor and machine.
Procedures for correctly installing and adjusting the PTO shaft for safe power transmission.
Detailed steps to safely transform the machine from working to transport mode.
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