MacDon FD70 for Combine Operators - Manual (Page 189)

SECTION 10. MAINTENANCE AND SERVICING
Form 169006
187
Revision D
10.13.4 Draper Roller Maintenance
The draper rollers have non-greaseable bearings.
The external seal should be checked every 200
hours (and more frequently in sandy conditions)
to obtain the maximum bearing life.
DANGER
Engage header lift cylinder stops and reel
props before working under header or reel.
10.13.4.1 Drive Roller Removal
a. Raise header and reel and engage cylinder and
reel stops.
b. On deck shift headers, position deck so drive
roller is easily accessible.
c. Loosen and uncouple draper. Refer to Section
10.13.2 Replacing Split Draper.
d. Loosen the two set screws in access hole (A) in
the drive roller hub at motor end.
e. Remove the two bolts (B) that hold hydraulic
motor to arm, and pull motor off roller.
f. Remove bolt (C) at forward end of roller, and
remove roller from deck.
10.13.4.2 Drive Roller Installation
DANGER
Engage header lift cylinder stops and reel
props before working under header or reel.
Refer to illustrations opposite.
a. Position roller in deck arms, and secure forward
end with bolt (C) and washer. Do not tighten at
this time.
b. Apply SAE Multi-Purpose grease to motor shaft,
locate motor on roller arm, and engage motor
shaft into roller.
c. Secure motor with bolts (B), and tighten.
d. Push roller against shoulder on motor shaft, and
hand-tighten the two set screws (A). Torque set
screws to 20 ft·lbf (27 N·m).
e. Torque bolt (C) to 70 ft·lbf (95 N·m).
f. Re-attach draper. Refer to Section 10.13.2
Replacing Split Draper.
g. Adjust draper tension. Refer to Section 10.13.1
Header Draper Tension Adjustment.
h. Re-adjust hydraulic motor hoses (if required), and
tighten hose clamps.
i. Run machine, and adjust tracking if required.
Section 10.13.3 Header Draper Alignment.
A
B
C