MacDon CA20 Operators Manual - Manual (Page 92)

MAINTENANCE/SERVICE
Form 169009 90 Model Year - 2009
8.12 FEED DRAPER
8.12.1 DRAPER TENSION ADJUSTMENT
Draper tension should be just enough to
prevent slipping and keep draper from sagging
below cutterbar. Set draper tension as follows:
DANGER
To avoid bodily injury or death from fall of
raised machine, always engage lift cylinder
stops before going under header for any
reason. See your Combine Operator’s
Manual for instructions for use and storage
of header lift cylinder stops.
CAUTION
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. Raise header fully, stop engine, and remove
key. Engage header lift cylinder stops.
b. Check that draper guide (rubber track on under-
side of draper) is properly engaged in groove of
drive roller and that idler roller is between the
guides.
c. Loosen jam nut (A).
d. Hold nut (B) with a wrench and turn bolt (C)
clockwise to increase tension.
IMPORTANT
Adjust both sides equal amounts.
e. Correct tension is when retainer (D) is flush with
bracket (E), and bolt (F) is free.
f. Tighten jam nut (A).
8.12.2 REPLACING DRAPER
The draper should be replaced or repaired if
they are torn, missing slats, or cracked.
a. If adapter is attached to combine and header,
disconnect header. Refer to Section 6
Header/Adapter Disassembly and Assembly.
b. Raise header fully, stop engine, and remove
key. Engage header lift cylinder stops.
CAUTION
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.
c. Loosen draper as follows:
1. Loosen jam nut (A).
2. Hold nut (B) with a wrench and turn bolt (C)
counter-clockwise to release tension.
d. Repeat on opposite side of adapter.
e. Disengage header lift cylinder stops, and lower
feeder house and adapter onto blocks to keep
adapter slightly off the ground.
(continued next page)
A
B
C
A
E
D
F