MacDon FD75 OM - Manual (Page 155)

OPERATION
11. Place torque wrench (A) onto float lock at (B). Note
position of wrench for checking right or left side.
12. Push down on wrench to rotate bell crank (C) forward.
Figure 4.207: Left Side
Figure 4.208: Right Side
13. Continue pushing down on the wrench until indicator
(A) reaches a maximum reading, and begins to
decrease. Note the maximum reading. Repeat for
opposite side.
14. Use the table below as a guide for float settings. If
reading on wrench is high, header is heavy. If reading
on wrench is low, header is light.
Table 4.4 Float Settings
Torque Settings
Header Size
Cutting on the
Ground
Cutting off the
Ground
30 and 35 ft. 1-1/2 to 2 2 to 2-1/2
40 and 45 ft. 2 to 2–1/2 2-1/2 to 3
Figure 4.209: Indicator
169894 141 Revision A