Sickle Removal And Installation; Pitman Replacement - MacDon 3020 Operator's Manual

Pull-type windrower
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SICKLE AND SICKLE DRIVE (continued)
To Remove Sickle
WARNING: Always stand to rear of
sickle during removal to reduce risk
of injury from cutting edges. Wear
heavy gloves when handling sickle.
1. Clean area around sickle head. Remove bolt
(A).
2. Turn pulley (B) by hand to draw pitman (C)
back and out of the way.
3. Remove sickle through hole (D) in left end
frame.
To Install Sickle
WARNING: Always stand to rear 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),
washers (B) and locknut (C).
2. Tighten locknut to 150 ft. lbs. (203 N⋅m)

Pitman Replacement

To prevent premature bearing failure, when
replacing pitman:
1. Install pitman (A), complete the required
adjustments, and tighten hardware.
2. Using a pipe wrench (B) as shown, rotate
pitman back and forth until outer race (C) of
bearings moves in pitman housing.
3. Rotate pitman back to normal position.
Form # 147021
MAINTENANCE/SERVICE
49
C
A
REMOVING SICKLE
INSTALLING SICKLE
PITMAN REPLACEMENT
B
D
Issue 05/05

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