MacDon PW8 Pick-Up Header User Manual
Page 153
3. Replacing LEFT SIDE bearing:
a. Loosen setscrew in lock collar (A) with a 6 mm
Allen key.
b. Loosen
collar
(A)
by
rotating
collar
counterclockwise.
c. Loosen the two bolts (B) and (C) attaching bearing
to frame. Support the roller with a wooden block
so that the bolts are loose.
d. Remove nuts on bolts (B) and (C).
e. Pull bearing off roller shaft.
f.
Place new bearing on roller shaft, and align
mounting holes.
g. Install the M12x45 carriage bolt (B) in the forward
hole, and a M12x40 carriage bolt (C) in the aft hole.
Bolt head faces inboard. Secure with lock nuts, but
do not fully tighten.
h. Install the lock collar (A) onto the bearing, and
rotate collar clockwise until tight.
i.
Tighten the setscrew with a 6 mm Allen key.
Figure 4.133: Left Side Idler Bearing
4. Replacing RIGHT SIDE bearing:
a. Loosen setscrew in lock collar (A) with a 6 mm
Allen key.
b. Rotate collar (A) clockwise to loosen, and remove
collar.
c. Loosen the two bolts (B) and (C) attaching bearing
to frame. Support the roller with a wooden block
so that the bolts are loose.
d. Remove nuts on bolts (B) and (C).
e. Pull bearing off roller shaft.
f.
Place new bearing on roller shaft, and align
mounting holes.
g. Install the M12x45 carriage bolt (B) in the forward
hole, and a M12x40 carriage bolt (C) in the aft hole.
Bolt head faces inboard. Secure with lock nuts, but
do not fully tighten.
h. Install the lock collar (A) onto the bearing.
i.
Rotate collar counterclockwise until tight.
j.
Tighten the setscrew with a 6 mm Allen key.
Figure 4.134: Right Side Idler Bearing
5. Tension the drapers. Refer to Section
Belt Tension on Rear Deck, page 69
6. Close the endshield.
Refer to
169489
145
Revision A