Figure 7.21 :
Belt with locking rod and washer
7.9 PLASTIC TYING UNIT
The tying unit, containing wide film or net is located on top of the chamber.
Figure 7.22 :
Plastic tying unit, location
7.9.1 Control and maintenance
1. Clean and lubricate the slides for feed rollers.
2. Check the chain tension and the chain condition.(SeeFigure 7.23) Adjust the tension by loosening
the bolt and turn the nylon eccentric to add more tension to the chain. Then retighten the bolt.
3. Check all movable parts and bearings in the tying unit.
4. Check the condition of the hydraulic hoses and couplings. Examine the unit for any leakages.
5. Control the free wheel function (feed rollers).
7 MAINTENANCE AND MECHANICAL ADJUSTMENTS 80
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