Owner Service 21
MAN0810 (9/24/2009)
Seasonal Lubrication
In addition to the daily recommended lubrication, a
more extensive application is recommended season-
ally.
1. Fill CV double yokes with 20 pumps of grease with
the joints in a straight line.
2. Articulate CV body to maximum angle several
times to ensure full coverage of joints.
3. Place joints in the straight position and a add 10
additional pumps of grease to both joints.
4. Wipe telescoping drive clean of all old grease and
contaminants.
5. Add a thin layer of new grease over telescoping
drive.
BLADES
Before working underneath, read manual
instructions, securely block up, and check stability.
Secure blocking prevents equipment from drop-
ping due to hydraulic leak down, hydraulic system
failure, or mechanical component failure.
Blade Removal (Figure 6)
Figure 6. Blade Assembly
1. Disconnect driveline from tractor PTO.
2. Raise cutter and block securely (see Figure 5).
3. Align crossbar (10) with blade access hole in the
cutter frame. Remove nut and lock washer.
Carefully drive blade pin (9) out of crossbar.
4. Rotate crossbar and repeat for opposite blade.
NOTICE
■ If blade pin (9) is seized in crossbar and extreme
force will be needed to remove it, support crossbar
from below to prevent gearbox damage.
Blade Installation (Figure 6)
Your dealer can supply genuine replacement
blades. Substitute blades may not meet original
equipment specifications and may be dangerous.
NOTICE
■ Crossbar rotation has clockwise rotation on left
gearbox and counterclockwise rotation on the right
and center gearboxes when looking down on cut-
ter. Be sure to install blade cutting edge to lead in
correct rotation.
NOTE: Always replace or sharpen both blades at the
same time.
1. Inspect blade pin (9) for nicks or gouges, and if you
find any replace the blade pin.
2. Insert blade pin through the blade. Blade should
swivel on blade pin; if it doesn’t, determine the
cause and correct.
3. Align crossbar (10) with blade access hole in cutter
frame. Apply a liberal coating of Never-Seez® or
equivalent to blade pin and crossbar hole. Make
sure blade offset is down away from cutter.
4. Insert blade pin (9) through blade and align key on
blade pin with keyway in crossbar and stump
jumper pan. Push blade pin through crossbar.
5. Insert lock washer and nut through blade access
hole in cutter frame. Install on blade pin (9) and
tighten to 450 lbs-ft.
6. Repeat steps for opposite side.
NOTE: Blade should be snug but should swivel on
pin without having to exert excessive force.
1. Blade kit, CCW
9. Blade pin
10. Crossbar Assembly
36. Stump Jumper Pan
85. Blade lock clip
86. 1/2 NC x 1-1/4 HHCS GR5
(Rev. 3/3/2010)
