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214804
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Revision A
Figure 4.17: Knifehead
2.
Slide the knife into place and align the knifehead with
the output arm.
3.
For ease of removing or installing knifehead pin,
remove grease fitting from pin.
4.
Install knifehead pin (A) through the output arm and into
the knifehead. Tap knifehead pin (A) down, and make
sure the pin is seated at the bottom of the knifehead.
5.
Set groove (B) in the knifehead pin 1.5 mm (1/16 in.)
above output arm (C). Secure with 5/8 in. x 3 in. hex
head bolt and nut (D), and torque to 217 Nm (160 lbf·ft).
6.
Using a feeler gauge, check that the gap at location (E)
is 0.25 mm (0.01 in.).
Figure 4.18: Knifehead
7.
Install grease fitting (A) into the knifehead pin, and turn
the grease fitting for easy access.
IMPORTANT:
Grease knifehead just enough to start a slight
downward movement. Overgreasing will lead to knife
misalignment which causes guards to overheat and
drive systems to overload.
4.7.4
Removing Knifehead Bearing
Figure 4.19: Bearing Removal
1.
Remove knife. Refer to
2.
Using a flat-ended tool with approximately the same
diameter as the plug (D), tap out the seal (B),
bearing (C), plug (D), and O-ring (E) from the underside
of the head.
NOTE:
The seal can be replaced without removing the bearing.
When changing seal, check pin and needle bearing for
wear. Replace if necessary.
Содержание A40-D
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