MacDon R113 - Page 191

MAINTENANCE AN D SERVICING
4. Observe orientation of groove in shear pin (A).
IMPORTAN T:
The correct sh
ear pin orientation is critical. Both shear
pin grooves (A
) must be facing the same direction and
parallel to t h
e cutterbar.
Figure 4.135: Shear Pin Orientation (Shaft Not
Shown)
5. Install nut (A).
Figure 4.136: Cutterbar Spindle
NOTE:
Use the safecut spindle-n u t wrench (B) 90
degrees (D) to the torque wrench (A).
6. Use sa
fecut spindle-nut wrench (B) and torque spindle
nut (C
)to221ft·lbf (300 N·m).
7. Retur
n safecut spindle -n ut wrench to left side
shie
ld plate.
Figure 4.137: Spindle Nut
147910 179 Revision A