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SECTION 5
Inspections of blades must be carried out regularly. Visual inspection involves checking of the
blade and mounting. blades should be worn down uniformly. If blade is worn down naturally it
can be reversed and reinstalled on the cutting disk (this applies to double edged blades). A
bent or damaged blade must be replaced with a new one. Cutting blades must be replaced in
pairs in order to maintain the balance of the cutting disc. Before proceeding to replace the
blades, clean the residue of mown material from the cutter bar.
Use key to change parts (3) placing it between blade holder (2) and cutting disc, next press
on key (3) till the moment that it is possible to take out the (1). When changing blades check
the condition of the arbor securing the blade to the cutting disk and also the blade holder. An
excessively worn or damaged arbor or blade holder should be replaced with a new part.
Tighten arbor nuts with torque of 120 Nm.
DANGER
Use only CE certified blades meeting the requirements of ISO 5718 standard.
ATTENTION!
Missing blade or its fragment will cause imbalance and excessive cutting disk vibration
and may damage the cutter bar.
TABLE 5.1
Cutting blade characteristics for PDK220 mower
DESIGNATION
OF BLADE
BRZW
120/49/4 P
BRZW
120/49/4 L
DIMENSIONS
[mm]
5.3
PRONAR PDK220
DIRECTION
OF ROTATION
right
left
QUANTITY
4
6
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