5. MAINTENANCE
Fig. 5-10 The special nut must be replaced if:
1)
it has been used more than 5 times
2)
the height of the hexagon is less than half of the original height.
3)
the lock device is worn or loose.
REPLACEMENT OF BLADES
Fig. 5-11 In connection with replacement of blades check all blade bolts B on the discs
regularly with the gauge A (in the spare parts package).
IMPORTANT: When the gauge A can get over the blade bush B it must be
replaced immediately.
Also check regularly if the disc assemblies, blade bolt, special nut and disc are worn
or loose. If this is the case, the parts must be tightened or replaced.
DANGER:
It is very important to check the disc assemblies after:
•
Collision with foreign matter, or
•
If a blade is missing on the cutter bar.
Parts can be damaged and you MUST replace parts if you have
the slightest doubt whether they have been damaged to secure
against loss of rotating parts.
Fig. 5-12 To obtain a satisfactory harvesting it is important that blades and shearbar are intact
and sharp. Replacement of blades is made by dismounting the blade bolt and pull it
out from beneath the disc. This is easily done when the blade is in the front position
so that the bolt can fall out through the hole in the stone protector. Remove the old
blade and mount the new one together with the blade bolt.
The blades can be used on both sides by moving the blades from one disc to another
with opposite direction of rotation.
CUTTER BAR AND DISCS
Fig. 5-13 A cutter bar is used on which each hub C below the discs is easily replaced from
above (Top Service cutter bar).
Fig. 5-14 If discs have been dismounted they must be mounted again staggered 90° in relation
to each other.
Fig. 5-15 Make sure that the bolts have been tightened as shown.
- Discs fastened with four bolts must be tightened to 120 Nm (12 kpm).
- Blade bolts must be tightened to 95 Nm (9.5 kpm).
The height of the disc can be adjusted by mounting fillers under the disc at B. This
may be necessary when replacing the discs if the blades are not at the same height.
WARNING:
After replacement of blades, blade bolts, discs and the like
check that no tools have been left on the machine.
PIGB-093X-06 GX 2402/2802/3202 SM-GX 2402/2802 SC 0410
49
