MacDon A40-D - Manual (Page 89)

SECTION 6 OPERATION
169000 / 169040
87
Revision E
6.17.13 Roll Tension
The roll tension (the force holding the rolls
together) is factory-set, and is adjustable. There
is a spring (A) for each end of the roll. See
illustration below.
CAUTION
To prevent accidental movement of
windrower, place all controls in NEUTRAL or
in PARK, engage park brake (if applicable),
shut off engine, and remove key.
a. Lower header fully.
b. Stop engine, and remove key.
c. To increase the roll tension, loosen jam nut
(B) at spring insert, and turn spring draw-bolt (C)
clockwise to tighten the spring. Tighten jam nut
(B).
d. To decrease the roll tension, loosen jam nut
(B) at spring insert, and turn spring draw-bolt (C)
counterclockwise to loosen the spring. Tighten
jam nut (B).
A C
B