MacDon D65 SP DHOM - Manual (Page 167)

MAINTENANCE AND SERVICING
14. Remove bolt (A) that clamps the knife drive arm to the
knife drive box output shaft.
15. Remove the knife drive arm (B) from the knife drive box
output shaft.
16. Remove the four knife drive box mounting bolts (C, D).
NOTE:
Do NOT remove bolt (E), this is factory set. It is used to
position the knife drive box in the proper fore-aft position.
17. Remove knife drive box and place on a bench
for disassembly.
CAUTION
Knife drive box with pulley weighs over 65 lb (35 kg).
Use care when removing or installing. Lug (L) can
be used for lifting. If speed sensor is installed at this
location, you will need to remove it before using it
for lifting.
18. For double-knife headers, repeat procedure for
opposite end.
Figure 6.54: Knife Drive Box
Timed Double Knife
NOTE:
Procedure is the same for both ends of the timed double-knife header. Images shown are for the left end,
right end is opposite.
1. Open endshield. Refer to Opening Endshields, page
37 .
2. Loosen two nuts (A) on belt idler bracket to relieve
tension on belt.
3. Loosen nut (B) on idler pulley and slide idler down to
loosen belt.
Figure 6.55: Knife Drive
169899 155 Revision A