214804
135
Revision A
Figure 4.53: Knifehead
A - Knifehead Pin
B - Knifehead
C - Pitman Arm
D - Gap: 0.25 mm
(0.010 in.)
E - Bolt
6.
Slide pitman arm (C) up or down on shaft until it just
contacts knifehead (B), (0.25 mm [0.010 in.]) gap.
7.
Install bolt (E) and nut, and torque to 217 Nm
(160 lbf·ft).
8.
Align knifehead (B) with pitman arm (C).
9.
Install knifehead pin (A) in pitman arm (C), and tap it
down into the knifehead, ensuring pin is bottomed out in
the knifehead.
NOTE:
It may be necessary to temporarily remove the grease
fitting from the knifehead during installation of the
knifehead pin. This will allow any trapped air to escape
and knifehead pin will seat correctly.
10. Tap underside of the knifehead until the pin is flush with
the upper face of the pitman arm (C).
11. Carefully adjust to achieve a 0.25 mm (0.010 in.) gap
at (D) with the knife laying flat on the first few guards.
Figure 4.54: Knifehead
12. Replace bolt (C) and nut.
13. Tighten nut to 220 Nm (160 lbf·ft).
14. Replace knifehead pin (B).
15. Replace grease fitting (A) in pin.
16. Install drive belt onto knife drive box pulley and tighten.
Refer to the following sections:
•
Checking/Adjusting Timing Belt Tension on Left
•
Checking/Adjusting V-Belt Tension on Left Side,
•
Summary of Contents for A40-D
Page 2: ...MacDon A40D Self Propelled Windrower Auger Header Published November 2018...
Page 3: ...EC Declaration of Conformity Figure 1 EC Declaration of Conformity Page 1 214804 i Revision A...
Page 4: ...Figure 2 EC Declaration of Conformity Page 2 214804 ii Revision A...
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