Installing Knifehead Bearing; Installing Knife - MacDon FlexDraper FD1 Series Operator's Manual

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5.8.4 Installing Knifehead Bearing

1. Place O-ring (E) and plug (D) into knifehead.

Install the bearing with the stamped end (the end with

the identification markings) facing up.

2. Use a flat-ended tool (A) with the same approximate

diameter as bearing (C), and push the bearing into the

knifehead until the top of the bearing is flush with the

step in the knifehead.

3. Install seal (B) into the knifehead with the lip facing

To prevent premature knifehead or knife drive box

failure, ensure there is a tight fit between the knifehead

pin and the needle bearing, and also between the

knifehead pin and the output arm.

4. Install the knife. Refer to

Stand to rear of knife during installation to reduce risk of injury from cutting edges. Wear heavy gloves

when handling knife.

1. Slide the knife into place and align the knifehead with

the output arm.

Remove the grease fitting from the knifehead pin for

easier installation of knifehead pin.

2. Install knifehead pin (A) through output arm (C) and into

the knifehead.

3. Position the pin so that groove (B) is 1.5 mm (1/16 in.)

above the output arm (C).

Secure pin with 5/8 x 3 in. hex head bolt and nut (D),

and torque to 217 Nm (160 lbf·ft).

MAINTENANCE AND SERVICING

5.8.5 Installing Knife, page

Figure 5.89: Knifehead Bearing Assembly

Figure 5.90: Knifehead