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214327
163
Revision B
5.6.2
Knife Drive Belts
The knife drive box is driven by a V-belt that is powered by a hydraulic motor on the header endsheets.
Untimed Knife Drive Belts
The knife drive box is driven by a V-belt that is powered by a hydraulic motor on the header endsheets.
Removing Untimed Knife Drive Belts
The untimed knife drive belt removal procedure is the same for both sides of a double-knife header.
DANGER
To prevent bodily injury or death from the unexpected start-up or fall of a raised machine, always stop the engine and
remove the key before leaving the operator
’
s seat, and always engage the safety props before going under the
machine for any reason.
1002407
A
B
Figure 5.73: Single and Untimed Double-Knife Drive
1.
Shut down the engine, and remove the key from the
ignition.
2.
Open the endshield. For instructions, refer to
.
3.
Loosen two bolts (A) securing the motor assembly to the
header endsheet.
4.
Loosen the belt tension by turning tensioning bolt (B)
counterclockwise.
1009768
A
Figure 5.74: Access Cover
5.
Open access cover (A) on the endsheet behind the
cutterbar to provide clearance between the knife drive box
pulley and the endsheet.
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