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5
Knives and counter-knife
Observe to re-tighten screws by using the safety discs. The machine is equipped with
a simply exchangeable and reversible counter-knife in tapered execution. It has two
sharp edges. Avoid from dirt when disassemble – mounting the counter-knife, clean
the surfaces from dirt and chips.
Attention:
Use only spare parts origin JENSEN. No warranty in case of using other
products. In case of spare part order always mention the number of this machine.
Technical Specifications for woodchippers
Maximum wood diameter: (depending on wood and engine)
A141 = 26cm
A041 = 30cm
A231 = 24cm
A240 = 24cm
A328 = 20cm
A340 = 20cm
A425 = 18cm
A540 = 19cm
A430 = 18cm
A428 = 18cm
A528 = 15cm
A530 = 15cm
A518 = 12cm
A521 = 13cm
On heavy feed please watch the rpm of the chipper-disk!
In case the rpm drops, you should disengage the hydraulic feed rollers and do not
engage again before the machine is back to the full rpm.
Necessary power:
with 2 knife and mixed bushes you need about 25 KW.
The power you really need depends on the sorting and the kind of the wood, the
speed of feed and the number of knifes in your machine.
Caution!
Knife-screws and all screw on the transportation-axle should be controlled
regularly and tightened following the table:
Forces for bolts and nuts:
Size
Nm
Tightening
torque
8,8
class
Nm
Tightening
torque
10,9
class
M6
10
9,5-10,4
14,5
14,0-15,3
M8
25
23,1-25,3
35
34,0-37,2
M10
49
46-51
72
68-75
M12
86
80-87
125
117-128
M16
210
194-214
310
285-314
M20
410
392-431
610
558-615
M24
710
675-743
1050
961-1059
¾“
410
410
Содержание 561305770
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