Adjusting Hold-Downs With Pointed Guards - MacDon FlexDraper FD1 Series Operator's Manual

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Double-knife:

5. Manually stroke knife to locate sections (A) and (C)

under center hold-down (B).

6. Measure clearance between knife sections (A) and (B)

with a feeler gauge. The clearances should be:

At tip (E) of hold-down: 0.1–0.4 mm

(0.004–0.016 in.)

At rear (F) of hold-down: 0.1–1.0 mm

(0.004–0.040 in.)

7. If necessary, refer to

Knife Center Pointed Guard, page

Adjusting Hold-Downs with Pointed Guards

To avoid bodily injury or death from unexpected startup of machine, always stop engine and remove key

before making adjustments to machine.

1. Shut down the engine, and remove the key from the

2. Use a feeler gauge to measure the clearance between

the standard guard hold-down (A) and the knife section.

Ensure the clearance is 0.1–0.6 mm (0.004–0.024 in.).

3. To lower the front of the hold-down and decrease

clearance, turn bolt (B) clockwise; to raise the front of

the hold-down and increase clearance, turn bolt (B)

counterclockwise.

For larger adjustments, it may be necessary to loosen

nuts (C), turn adjuster bolt (B), and then retighten nuts.

MAINTENANCE AND SERVICING

Adjusting Hold-Down at Double-

Figure 5.104: Double-Knife Center Guard

Figure 5.105: Standard Guard Hold-Down