MacDon D65, Operator'S Manual

Page: 171 / 310

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151
Revision B
Checking Stub Guard Hold-Downs
This procedure is to measure clearance between hold-downs and knife sections on single- and double-knife headers with
stub guards.
DANGER
To prevent bodily injury or death from the unexpected startup of the machine, always stop the engine and remove the
key before adjusting the machine.
1. Shut down the engine, and remove the key from the ignition.
1018558
A
C
D
B
E
Figure 5.49: Short Knife Forged Hold-Down
1018574
A
B
C
F
Figure 5.50: Short Knife Sheet Metal Hold-Down
2. Manually stroke knife to locate section under
hold-down (A).
3. Standard guard: At standard guard locations, push knife
section (B) down against guard (C) and measure clearance
between hold-down clip (A) and knife section (B) with a
feeler gauge. The clearance should be as follows:
•
At hold-down tip (D): 0.1
–
0.4 mm (0.004
–
0.016 in.)
•
At rear of hold-down (E): 0.1
–
1.0 mm (0.004
–
0.040 in.)
•
At sheet metal hold-down (F): 0.1
–
0.6 mm (0.004
–
0.024 in.)
4. If necessary, refer to Adjusting Stub Guard Hold-Downs,
page 152 .
MAINTENANCE AND SERVICING