Table of Contents
Advertisement
Removing and Replacing Knives (JJ-
8CS only)
Disconnect the machine from
the
power
source
adjustment or repair. All knife lock bolts
must be firmly tightened or risk ejection of
the knife(s) and lock bar from the cutterhead!
Failure to comply may cause serious injury!
1. Disconnect machine from power source.
2. Remove blade guard by loosening lock
screw (A, Fig. 23) and lifting up on blade
guard. Caution: blades are sharp!
great care when hands are around blade
area!
3. Loosen the five lock screws (Fig. 24). Note:
Loosen screws by turning in a clockwise
direction as viewed from the infeed table.
Carefully remove the knife (A, Fig. 25), and
the lock bar with screws (B, Fig. 25).
Repeat for the other two blades.
4. Before assembly, clean all parts thoroughly
and clear cutterhead knife slots of any dust
or debris.
5. Insert knife into the cutterhead channel
making sure it faces the proper direction.
6. Insert lock bar and screws and tighten to
hold in place. Blades are set at the proper
height when the top of the blade is 1/16"
above the cutterhead.
7. Repeat for other two blades.
8. To set the knives to the outfeed table and to
the same height in the cutterhead, see
section titled "Leveling Outfeed Table to
Cutterhead Knives" found on page 12 of this
manual.
Replacing or Rotating Knife Inserts
(JJ-8HH only)
The knife inserts on the model JJ-8HH Jointer
are four-sided. When dull, simply remove each
insert, rotate it 90° for a fresh edge, and re-
install it.
Use the two provided star point screwdrivers to
remove the knife insert screw. See Figure 26.
Use one of the screwdrivers to help hold the
cutterhead in position, and the other to remove
the screw. It is advisable to rotate all inserts at
the same time to maintain consistent cutting.
However, if one or more knife inserts develops a
nick, rotate only those inserts that are affected.
before
making
any
Use
Figure 23
Figure 24
Figure 25
Figure 26
14
Hide quick links:
Advertisement
Table of Contents
