Installing Knife Drive Box - MacDon FlexDraper FD1 Series Operator's Manual

Installing Knife Drive Box

NOTE:
If the pulley was removed from the knife drive box, refer to
was NOT removed, proceed to Step
CAUTION
The knife drive box and pulley weigh over 35 kg (65 lb.)
Use care when removing or installing. Lug (L) can be
used for lifting.
1. Position the knife drive box onto the header mount and
install the belt onto the pulley.
2. Secure the knife drive box to the frame using two
5/8 x 1-3/4 in. grade 8 hex head bolts (A) on the side
and two 5/8 x 2-1/4 in. grade 8 hex head bolts (B) on
the bottom.
3. Tighten knife drive box side bolts (A) slightly, then
tighten bottom bolts (B) to ensure proper contact with
the vertical and horizontal mounting surfaces. Do NOT
torque the bolts at this time.
4. Apply two bands (A) of medium-strength threadlocker
®
(Loctite 243 or equivalent) to the output shaft as
shown. Apply one band at the end of the output shaft
and the second band in the middle.
5. Slide output arm (B) onto the output shaft. Rotate the
pulley to ensure the splines are properly aligned and
the drive arm clears the frame on the inboard stroke.
214683
MAINTENANCE AND SERVICING
Installing Knife Drive Box Pulley, page
1, page 459.
459
A
Figure 5.125: Knife Drive Box
B
Figure 5.126: Knife Drive Box
458. If the pulley
L
B
A
Revision A