McHale C460 - Machine Requirements & Preparation; Chopper Unit Knife Setting

McHale C430/C460/C470/C490 Bale Chopper
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Machine requirements & preparation
6.1 Chopper unit knife setting
Knife adjustment should be carried out in the following way:
1. Switch off the control box.
2. Shut down the tractor, remove the key and apply the parking brake.
3. Select neutral on the blower fan gearbox.
4. Remove the knife inspection plate.
5. Loosen the rear knife lock bolt.
6. Use the adjuster bolts, front and rear, to set the knife height between 1 mm and
2 mm from the fan blade tips. Check the gap at the centre of the knife.
7. Tighten the lock nuts on the adjuster bolts, front and rear, to fix the knife setting.
8. Tighten the rear knife lock bolt.
9. Refit knife inspection plate.
CAUTION: Use protective gloves
Use protective gloves for any manual work in this area!
1. Knife adjuster bolt
2. Knife inspection plate
1. Rear knife lock bolt
1. Knife adjuster bolt
2. Knife to fan blade gap 1 mm to 2 mm
3. Fan blade
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