MacDon CA20 Operators Manual - Manual (Page 85)

MAINTENANCE/SERVICE
Form 169009 83 Model Year - 2009
f. Reassemble drive-line.
NOTE
The splines are keyed so that universals
are aligned. Align weld (N) with missing
spline (O) when assembling.
g. Slide driveshaft in hook (E) so that disc (D)
drops to secure driveshaft or connect to
combine.
8.9.5 DRIVE CHAIN ADJUSTMENT
A sprocket on the main drive input shaft from
the combine drives another shaft to the auger.
To adjust tension on the chain in the main
gearbox, refer to illustration and proceed as
follows:
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. Lower header, stop engine and remove key.
b. Remove filler plug (A).
c. Remove spring (B) and keeper (C) inside filler
port.
d. Using a ¾ inch (19 mm) socket, torque bolt
inside filler hole to 20 in-lbf, then back off bolt
1
¼ turns.
e. Replace keeper (C), spring (B), and filler plug
(A).
O
N
D
E
C B
A