MacDon R85 Rotary Disc 13 Foot Pull-Type - Manual (Page 79)

MAINTENANCE AND SERVICING
Form 169454
77
Revision A
7.9.3 Conditioner Drive Belt
The conditioner drive belt (A) is located inside
the drive compartment at the left hand side of
the header, and is tensioned with a spring
tensioner. The tension is factory-set, so should
not require adjusting.
Check the belt tension, and inspect for damage
or wear every 100 hours or annually, preferably
before the start of the cutting season.
DANGER
Stop engine, and remove key from ignition
before leaving Operator's seat for any
reason. A child or even a pet could engage
an idling machine.
a. Lower header to ground, turn off engine, and
remove key.
b. Open the driveshield. See Section 7.5
DRIVESHIELD.
c. Check that adjuster nuts (B) and (C) are tight.
d. The tensioner spring should measure
approximately 5.55 - 5.95 in. (141 - 151 mm) in
length when properly tensioned.
e. If necessary, adjust tension as follows:
1. Loosen jam-nut (C).
2. Turn nut (B):
• clockwise to increase spring length
(tension), or
• counter clockwise to decrease length
(loosen).
3. Tighten jam-nut (C).
f. Close driveshield.
5.55 - 5.95 in.
(141 - 151 mm)
B
A
C