Blade and blade holder condition
Check that rotary blades are good condition, change worn or
damaged parts.
How to replace blade:
1 - Remove the Blade by loosening the Hard Lock Nut.
Remove the upper nut, and then remove the lower nut.
2 - After changing new Blade. (or reversed blade)
It also should be replaced to new Blade Bolt, Hard Lock Nut and
Nut Guard as shown by Fig 22.
CAUTION
The cutting blade can cut the use’s hand. Always wear gloves when holding blades.
CAUTION
Use only the OREC original parts : “ non genuine ” parts will not assure you of a correct and
safe working. It is likely to make the warranty null and void.
⚫ Check for the blade Knife Stay. Even if the Blade Knife Stay is not bend or
worn, these should be replaced at every 100 hours or every 2 years of use.
⚫ Please check Blade frequently because it is worn early when working at a
place including dry soil or sand.
⚫ Recommend that you purchase spare Blade and spare Blade Set Bolt in
advance and keep them at your hand.
⚫ When the Knife Bolt is worn on its head (1 Fig 23), it can cause serious
accident, for example the Knife is flied away by Centrifugal force. Replace
the Blade Bolt immediately when the dent disappeared. Also, Replace(or
reverse) the Knife when it is worn up to 30% (2,Fig 23).
Lubrication:
Do not forget to paint grease around the parts (Fig. 24), especially when working in a sandy place.
Clean the grease nipples and lubricate the machine properly (use a grease pump). Only use NLGI
N°2 molybdenum bisulphide grease. Lubricate the tippers. Use only grease NLGI n°0.
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