MacDon R80 Manual page 36

C. CONDITIONER ROLLS
I. ROLL GAP
CROP
The amount of thread protruding through jam
nut should equal roll gap.
should be 0.125 in. (3 mm) at each adjuster
bolt.
II. ROLL TIMING
CROP
a. Lower header to ground, shut down tractor and
remove key.
Form # 169080
PRE-DELIVERY CHECKS
ROLL GAP
Factory setting
X
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.
34
A
B
B
START POSITION
B
GAUGE POSITION
(continued next page)
Issue – April 2007