MacDon CA25 OM - Manual (Page 102)

SECTION 8. MAINTENANCE AND SERVICING
169593
100
Revision B
8.3.2 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.
8.3.3 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