SECTION 7 MAINTENANCE AND SERVICING
Form 169000 / 169040
128
Revision D
7.8.8.2
Sickle Hold-Down Adjustment: Stub
Guards
Single Knife
a. Torque nuts (E) to 35 ft·lbf (46 N·m).
b. Turn adjuster bolts (F). Using a feeler gauge,
clearance from hold-down to sickle section
should be 0.004 - 0.016 in. (0.1 - 0.4 mm) at the
guard tip, and 0.004 - 0.040 in. (0.1 - 1.0 mm) at
rear of guide.
c. Torque nuts (E) to 53 ft·lbf (72 N·m).
Double Knife
a. Torque nuts (G) to 35 ft·lbf (46 N·m).
b. Turn adjuster bolts (H). Using a feeler gauge,
clearance from hold-down to sickle section
should be 0.004 - 0.016 in (0.1 - 0.4 mm) at the
guide tip, and 0.004 - 0.040 in. (0.1 - 1.0 mm) at
rear of guide.
c. Torque nuts (G) to 53 ft·lbf (72 N·m).
d. After adjusting all hold-downs, run header at a
low engine speed, and listen for noise due to
insufficient clearance. Insufficient clearance will
also result in overheating of the sickle and
guards.
0.004 - 0.040 in.
(0.1 - 1.0 mm)
0.004 - 0.016 in.
(0.1 - 0.4 mm)
E
F
0.004 - 0.016 in.
(0.1 - 0.4 mm)
0.004 - 0.040 in.
(0.1 - 1.0 mm)
G
H
