Checking Stub Guard Hold-Downs - MacDon D65 Assembly Instruction Manual

5.7.2 Checking Stub Guard Hold-Downs

This procedure is applicable to single- and double-knife headers with stub guards.
WARNING
To avoid bodily injury or death from unexpected startup of machine, always stop engine and remove key
before making adjustments to machine.
Measure clearance between hold-downs and knife sections as follows:
1. Shut down windrower, and remove key from ignition.
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 (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
Downs, page 60.
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PERFORMING PREDELIVERY CHECKS
Adjusting Stub Guard Hold-
Figure 5.16: Standard Stub Forged Hold-Down
Figure 5.17: Standard Stub Sheet Metal
Hold-Down
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Revision A