MacDon CA25 OM - Manual (Page 163)

SECTION 8. MAINTENANCE AND SERVICING
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161
Revision B
3. Move RH reel sideways to separate the reel
tube (F) and U-joint (E).
4. Remove the chain (C).
5. Route new chain (C) over U-joint (E), and
locate on sprockets.
6. Adjust the chain tension. Refer to Section
8.12.4.1 Tension Adjustment: High Torque
Drive.
7. Position RH reel tube (F) against reel drive,
and engage stub shaft into U-joint (E) pilot
hole.
8. Rotate reel until holes in end of reel tube
and U-joint line up.
9. Apply Loctite
®
#243 (or equivalent) to four
1/2 in. bolts (G), and install with
lock-washers.
10. Torque to 75–85 ft·lbf (102–115 N·m).
11. Remove temporary reel support.
12. Re-install drive covers.
Method 2: Breaking the Chain
1. Grind off head of a link rivet on chain (H),
punch out the rivet, and remove chain.
2. Grind off the head from one of the link
rivets on the new chain, and punch out rivet
to separate the chain.
3. Locate ends of chain on sprocket.
4. Install pin connector (J) (not available as a
MacDon part) into chain, preferably from
sprocket backside.
5. Install connector (K) onto pins.
6. Install spring clip (L) onto front pin (M) with
closed end of clip in direction of sprocket
rotation.
7. Locate one leg of clip in groove of aft pin
(N).
8. Press other leg of spring clip over face of
aft pin (N) until it slips into groove. Do not
press clip lengthwise from closed end.
9. Ensure clip is seated in grooves of pins.
f. Adjust the chain tension. Refer to Section
8.12.4.1 Tension Adjustment: High Torque
Drive.
g. Re-install drive covers.
E
G
C
F
E
H
DIRECTION OF ROTATION
N
M
J
K
L