215651
144
Revision B
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Figure 5.42: Stub Guards
2.
Use a feeler gauge to measure the clearance between stub
guard hold-down (A) and the knife section. Ensure the
clearance is between the following measurements:
•
At hold-down tip (B):
0.1
–
0.4 mm (0.004
–
0.016 in.)
•
At rear of hold-down (C):
0.1
–
1.0 mm (0.004
–
0.040 in.)
3.
Adjust the clearance as follows:
a.
Tighten nuts (D) until they are finger tight.
b.
To lower the front of the hold-down and decrease
clearance, turn three adjuster bolts (E) clockwise; to
raise the front of the hold-down and increase
clearance, turn adjuster bolts (E) counterclockwise.
c.
Torque nuts (D) to 88 Nm (65 lbf
∙
ft) after all the
adjustments are complete and the specified clearances
are achieved.
WARNING
Check to be sure all bystanders have cleared the area.
4.
Complete the hold-down adjustments, run the header at low engine speed, and listen for noise caused by insufficient
clearance.
IMPORTANT:
Insufficient hold-down clearance will result in overheating of the knife and guards
—
readjust as necessary.
5.5.9
Knifehead Shield
The knifehead shield attaches to the endsheet and reduces the knifehead opening to prevent cut crop from accumulating
in the knifehead cutout.
Part numbers for knifehead shields / knife opening covers and mounting hardware are listed in the header parts catalog.
IMPORTANT:
Remove the shields when using the cutterbar on the ground in muddy conditions. Mud may pack into the cavity behind the
shield which could result in knife drive box failure.
Installing Knifehead Shield
The knifehead shield is supplied in flattened form, but it can be bent to suit installation on pointed or stub guard
cutterbars. Knifehead shields differ slightly depending on header size and guard configuration, so ensure you are using the
proper knifehead shield for your header. Refer to your parts catalog for proper replacement parts.
DANGER
To prevent injury or death from the unexpected start-up of the machine, always stop the engine and remove the key
from the ignition before leaving the operator
’
s seat for any reason.
WARNING
To prevent bodily injury from the fall of a raised reel, always engage the reel safety props before going under the
raised reel for any reason.
WARNING
Wear heavy gloves when working around or handling knives.
Содержание D115X
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