MacDon R80 - Page 36

PRE-DELIVERY CHECKS
Form # 169080 Issue – April 2007
34
CROP
X
C. CONDITIONER ROLLS
I. ROLL GAP
The amount of thread protruding through jam
nut should equal roll gap. Factory setting
should be 0.125 in. (3 mm) at each adjuster
bolt.
II. ROLL TIMING
a. Lower header to ground, shut down tractor and
remove key.
b. Remove bolt (A) and nut, and remove gauge
(B) from inside panel at RH end of header.
c. From behind the header, locate gauge at
center of rolls as shown and manually turn rolls
to limits of gauge. Rolls will engage the gauge
if timing is correct.
(continued next page)
A
B
B
START POSITION
GAUGE POSITION
B
ROLL GAP
CROP