MacDon R1 Series Operator's Manual page 208

4. Remove hairpin clip (A).
5. Remove pin (B).
6. Remove change tool (C).
7. Remove gauge (A) on change tool (B).
NOTE:
Section (C) of the gauge is used to check the material
thickness of the retaining bolts; section (D) of the gauge is
used to check the outer radius of the quick change plate.
8. Thoroughly clean the area around and between the
retaining bolts and the quick change plate.
9. Remove the blade. For instructions, refer
Change Blades, page 193.
10. Place gauge (A) over the retaining bolt and rotate 90°.
If it is NOT possible to slide the gauge over the retaining
bolt during the rotation, then the retaining bolt is still in
working order.
If it IS possible to slide the gauge over the retaining bolt
during rotation, then the retaining bolt must be
replaced immediately.
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MAINTENANCE AND SERVICING
Figure 4.79: Installing Quick Change Blade
Figure 4.80: Change Tool and Gauge
Replacing Quick
Figure 4.81: Checking Retaining Bolts
190
C
A
B
D
C
A
B
A
Revision A