MacDon FD70 for Combine Operators - Manual (Page 134)

SECTION 10. MAINTENANCE AND SERVICING
Form 169006
132
Revision D
10.3.2 Roller Chain Installation
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. Locate ends of chain on sprocket.
b. Install pin connector (A) into chain, preferably
from the sprocket backside.
c. Install connector (B) onto pins.
d. Install spring clip (C) onto front pin (D) with closed
end of clip in direction of sprocket rotation.
e. Locate one leg of clip in groove of aft pin (E).
f. Press other leg of spring clip over face of aft pin
(E) until it slips into groove. Do not press clip
lengthwise from closed end.
g. Ensure clip is seated in grooves of pins.
10.3.3 Sealed Bearing Installation
a. Clean shaft and coat with rust preventative.
b. Install flangette (F), bearing (G), second flangette
(H) and lock collar (J).
NOTE
The locking cam is only on one side of
the bearing.
c. Install (but do not tighten) flangette bolts (K).
d. When the shaft is correctly located, lock the lock
collar with a punch.
NOTE
The collar should be locked in the same
direction the shaft rotates. Tighten the
set screw in the collar.
e. Tighten flangette bolts.
f. Loosen flangette bolts on mating bearing one
turn, and re-tighten. This will allow bearing to line
up.
F
H
G
J
K
A
B
C
E
D
DIRECTION OF ROTATION