MacDon FD70 for Combine Operators - Manual (Page 200)

SECTION 10. MAINTENANCE AND SERVICING
Form 169006
198
Revision D
5. Position RH reel tube against reel drive, and
engage stub shaft into U-joint (K) pilot hole.
6. Rotate reel until holes in end of reel tube and
U-joint line up.
7. Apply Loctite® 243 (or equivalent) to four ½”
bolts (J), and install with lock-washers.
8. Torque to 75 - 85 ft·lbf (102 - 115 N·m).
9. Tighten RH reel arm brace (D60).
10. Remove temporary reel support.
11. Re-install drive covers.
10.14.5.3.4 Breaking the Chain (Method 2):
1. Grind off the head from one of the link rivets,
and punch out rivet to separate the chain.
2. Locate ends of chain on sprocket.
3. Install pin connector (A) (not available as a
MacDon part) into chain, preferably from
sprocket backside.
4. Install connector (B) onto pins.
5. Install spring clip (C) onto front pin (D) with
closed end of clip in direction of sprocket
rotation.
6. Locate one leg of clip in groove of aft pin (E).
7. 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.
8. Ensure clip is seated in grooves of pins.
d. Slide motor (F) and motor mount (G) until tension
on chain is such that hand force deflects chain
1/8 inch (3 mm) at mid-span.
e. Tighten nuts (H), and re-check tension.
f. Re-install drive covers.
K
J
A
B
C
E
D
DIRECTION OF ROTATION
F
G
H