MacDon FD75 OM User Manual
Page 372
3.
Remove three screws (A) and remove lower cover (B).
4.
Release tension on chain (C). Refer to
Tension on Double Reel Drive, page 352
for double reel
drive.
5.
Grind off head of a link rivet on chain (C), punch out the
rivet, and remove chain.
6.
Grind off the head from one of the link rivets on the new
chain and punch out rivet to separate the chain.
7.
Locate ends of chain on sprocket.
Figure 6.214: Drive Cover
8.
Install pin connector (A) (not available as a MacDon
part) into chain, preferably from sprocket backside.
9.
Install connector (B) onto pins.
10. Install spring clip (C) onto front pin (D) with closed end
of clip in direction of sprocket rotation.
11. Locate one leg of clip in groove of apt pin (E).
12. 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.
13. Ensure clip is seated in grooves of pins.
Figure 6.215: Chain
14. Adjust the chain tension. Tension on chain should be
such that hand-force deflects the chain 1/8 in. (3 mm)
at midspan.
15. Install lower cover (B) and secure with three
screws (A).
Figure 6.216: Reel Drive
169894
358
Revision A