PRONAR PRONAR PDT260, Operator'S Manual

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SECTION 5 Pronar PDT260; PDT260C, PDT300; PDT 300C, PDT340
5.3
A bent or damaged knife 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 knife 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 knife to the cutting disk and also the knife holder. An
excessively worn or damaged arbor or knife holder should be replaced with a new part.
Tighten arbor nuts with torque of 120 Nm.
ATTENTION!
Missing knife or its fragment will cause imbalance and excessive cutting disk vibration
and may damage the cutter bar.
TIP
Damaged or worn blades must be changed in pairs in order to maintain balance of cutting
disc.
TABLE 5.1
CUTTING KNIFE SPECIFICATION
DIMENSIONS [mm]
MARKING
KNIFE
FIGURE
A B C D E F G
BRZW
120/49/4 P
(RIGHT)
120 57 42 20 21 49 4
BRZW
120/49/4 L
(LEFT)
120 57 42 20 21 49 4