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Revision B
5.6
Knife Drive System
The knife drive system transforms pumped hydraulic pressure into a mechanical motion that stokes a series of serrated
knife blades at the front of the header back and forth to cut a variety of crops.
5.6.1
Knife Drive Box
The knife drive box is an enclosed oil bath with a 76.2 mm (3 in.) stroke. Knife drive boxes are belt-driven by a hydraulic
motor, and convert rotational motion into reciprocating motion at the knife. Double-knife drive systems have two knife
drive boxes, one at each end of the header.
CAUTION
To avoid personal injury, before servicing machine or opening drive covers, refer to
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Figure 5.44: Left Knife Drive Box Shown
–
Right Similar
There is a knife drive box (A) at each end of the header.
Checking Knife Drive Box Mounting Bolts
Check the torque on the four knife drive box mounting bolts (A) and (B) after the first 10 hours of operation and every
100 hours thereafter.
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%
Figure 5.45: Knife Drive Box
1.
Torque side bolts (A) first, then torque bottom bolts (B).
Torque all bolts to 271 Nm (200 lbf·ft).
Содержание D115X
Страница 26: ...215651 12 Revision B Figure 1 20 Backtube D115X Draper Header A MD 184422 B MD 184372 C MD 131391 SAFETY ...
Страница 27: ...215651 13 Revision B Figure 1 21 Backtube D120X Draper Header A MD 184372 B MD 166466 C MD 131391 SAFETY ...
Страница 28: ...215651 14 Revision B Figure 1 22 Backtube D125X Draper Header A MD 184372 B MD 166466 C MD 131391 SAFETY ...
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