Maintenance/service – MacDon 974 FlexDraper User Manual
Page 49

Form # 147083
Issue 01/07
47
MAINTENANCE/SERVICE
SICKLE AND SICKLE DRIVE (continued)
To Install Sickle
WARNING: Always stand to rear and
grasp rear edge of sickle during
installation to reduce risk of injury
from cutting edges. Wear heavy
gloves when handling sickle.
IMPORTANT: Always align guards and re-set
sickle hold-downs while replacing sickle. See
"Guards" and "Sickle Hold-Downs" in this section.
1. Slide sickle into place and replace bolt (A).
NOTE: When installing sickle head pin (E),
bottom out the pin in sickle head, then hammer
sickle head back up to pitman arm.
2. Tighten bolt (A) to 160 ft.lbs. (220 N
⋅m)
NOTE: To prevent wobble box failure: In wet
conditions a build-up of mud may occur on inboard
side of sickle head, causing plugging. In these
conditions, remove skid shoe (F).
A
F
INSTALLING SICKLE
E
A
INSTALLING SICKLE – FRONT VIEW
bottom out
pin in head