MacDon CA25 OM - Manual (Page 147)

SECTION 8. MAINTENANCE AND SERVICING
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Revision B
8.10 ADAPTER FEED DRAPER
CAUTION
To avoid personal injury, before servicing
machine or opening drive covers, follow
procedures in Section 8.1 PREPARATION
FOR SERVICING.
8.10.1 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).
8.10.2 Replacing Draper
The draper should be replaced or repaired if it
is torn, missing slats, or cracked.
a. If adapter is attached to combine and header,
disconnect header. See Section 7.3 HEADER
ATTACHMENT/DETACHMENT.
b. Raise header fully, stop engine, and remove
key. Engage header lift cylinder stops.
c. Loosen draper as follows:
1. Loosen jam nut (A).
2. Hold nut (B) with a wrench, and turn bolt
(C) counterclockwise 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
C
B
A
D
F
E