Sickle Drive Timing Adjustment - MacDon A30-S Operator's Manual

7.8.12

Sickle Drive Timing Adjustment

Double knife A30-D and A40-D Auger Headers
require that the sickles are properly timed to
move in opposite directions.
a. Remove the right side sickle drive belt. Refer to
Section 7.8.10.5, Removal – RH Sickle Drive
Belts, A30-D, or Section 7.8.11.5, Removal –
RH Sickle Drive Belt, A40-D.
A
b. Rotate the LH side wobble box driven pulley (A)
clockwise until the LH side sickle (B) is at the
centre of the inboard stoke (moving towards
centre of header).
DIRECTION OF
LEFT
SICKLE
SECTIONS CENTERED
BETWEEN GUARDS
B
Centre stroke is when the sickle sections
are centered between guard points as
shown.
c. Rotate the right side wobble box pulley (C)
counterclockwise until the right side sickle (D) is
Form # 169000
MAINTENANCE/SERVICE
RIGHT
MOVEMENT
SICKLE
D
NOTE
C
at the centre of the inboard stroke.
124
Model Year - 2009