Figure 11. Wood board between cutterhead
and carriage.
Spacer
Key
24mm
Nut
Cutterhead
Pulley
Figure 13. Cutterhead pulley assembly.
Figure 10. Supporting gearbox while turning
speed selector switch.
Speed
Selector
Switch
Figure 12. Helical pinion gear.
Helical Pinion
Gear
Retaining
Ring
-4-
D4934 13" Helical Cutterhead Instructions
25. While supporting gearbox, turn speed
selector switch on front panel clockwise to
release (see
Figure 10).
Note: Gearbox will quickly separate from
planer after turning speed selector switch
to speed "2".
26. Pull gearbox out and rest it on planer
mount.
Note: Gearbox speed selection rod and
positioning pin will prevent gearbox from
being completely removed from planer.
Secure gearbox to planer with tape or
rope to prevent it from shifting during
disassembly.
27. Insert a wood board at least 12" in length
between cutterhead and cutterhead
carriage (see
Figure 11). Verify cutterhead
no longer rotates.
28. Remove helical pinion gear from cutterhead
(see
Figure 12).
29. Remove retaining ring (see Figure 12).
30. Remove 24mm hex nut from cutterhead
pulley (see
Figure 13).
31. Remove cutterhead pulley, key, and spacer
(see
Figure 13).
32. Remove retaining ring from right bearing
bore.
