Bedknife Adjuster; Bedknife; Clutch - Jacobsen Tournament Cut 22 Technical Manual

6 ADJUSTMENTS
6.3

BEDKNIFE ADJUSTER _____________________________________________________

1. Threaded adjuster (A) is used to increase or
decrease the spring load on the bedknife. Adjusting
nuts (B) is used to move the bedknife to the reel or
away from the reel.
2. Once the spring is totally collapsed as a result of
many adjustments, and the bedknife cannot be
moved. Loosen locknut on adjuster (A) and thread
in adjuster.
6.4

BEDKNIFE _______________________________________________________________

1. Read Section 6.2 before making the adjustment.
2. Start adjustment at the leading edge of the reel,
followed by the trailing end. The leading end of the
reel blade is the end that passes over the bedknife
first during normal rotation.
Leading Edge
!
To prevent personal injury and damage to the cutting
edges, handle the reel with extreme care.
6.5

CLUTCH _________________________________________________________________

Adjust stop screw (G) until clutch fingers are (.06 -
touching) the throw out bearing. Lock jam nut.
Place control lever in Neutral position
Pull clutch cable until OPC bail is against the stop.
Pin (F) should be against end of the bolt. Spring should
measure 1-13/16 in.,
disengaged. With the clutch fully engaged, the spring
should compress to 1-3/4 in., (44 mm).
GB-16
Rotation
Figure 6C
CAUTION
(46 mm) with the
Bedknife
3. Turn adjuster (B) counterclockwise to bring the
bedknife closer to the reel or clockwise to back the
bedknife away from the reel.
a. Slide a feeler gauge or shim stock .001 -.003 in.,
(.025 - .075 mm) between the reel blade and the
bedknife. Do not turn the reel.
b. Adjust the trailing end of the reel in the same
manner, then recheck the adjustment at the
leading end.
c. When the reel and bedknife are properly
adjusted, the reel will spin freely and will cut a
piece of newspaper along the full length of the
reel when the paper is held at 90° to the
bedknife.
F
G
clutch
B
A
Reel
1-13/16" (46 mm) disengaged
1-3/4" (44 mm) engaged
Figure 6B
Figure 6D