MacDon R113 Operator's Manual page 189

1. Remove drive cover (A) from left side of header by
removing securing hex head bolt (B), flat washer (C)
and nut (D) and sliding cover off pins (E).
2. Position tensioner assembly (A) as shown, and secure
with M16 x 120 bolt (B) and nut (C). Torque nut (C) to
47–54 Nm (35–40 ft∙lbf).
3. Install spring (A) into forward hole (B) in frame.
4. Install eyebolt (C) onto spring (A) and tensioner (D).
Secure eyebolt (C) to tensioner (D) with hardened
washer (E), and two M10 nuts (F), and straight pin (G).
NOTE:
Install conditioner drive belt after reattaching header to
adapter.
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MAINTENANCE AND SERVICING
Figure 4.160: Drive Cover
Figure 4.161: Tensioner
Figure 4.162: Tensioner
177
E
D
A
B
C
E
B
C
A
C
D
A
B
F
E
G
Revision A