MacDon R85 Rotary Disc 13 Foot Self-Propelled Windrower Header - Manual (Page 147)

MAINTENANCE AND SERVICING
1. Lower header to ground, turn off engine, and
remove key.
2. Open the driveshield. See Section 5.4 Driveshields,
page 28 .
Figure 7.59
3. Check that adjuster nuts (A) and (B) are tight.
Figure 7.60
4. When properly tensioned, tensioner spring (A)
should measure approximately 5-9/16 to 5-15/16 in.
(141–151 mm) in length.
Figure 7.61
169455
139
Rev. E