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-14- H2801 4" Jointer
To adjust the cutterhead guard:
1. Unplug the power from the machine!
2. Lay the Model H2801 on its back so the
switch is facing up.
3. Remove the screw from the base where it
secures the cutterhead guard.
4. Slide the cutterhead guard off the jointer.
5. Position the cutterhead guard so that the
long arm of the spring is against the cutter-
head guard wall. Secure the cutterhead
guard with the screw.
6. Check the cutterhead guard to make sure it
functions properly.
If the cutterhead guard still does not function
properly, the spring may need to be replaced. For
replacement instructions, turn to the Section 6:
Maintenance.
Figure 10. Cutterhead guard.
Figure 11. Cutterhead breakdown.
Knife Adjustment
To ensure accurate cutting, the knives must be
.003" higher than the outfeed table at the highest
point. To check or adjust the knife height:
1. Unplug the power from the machine!
2. Block the cutterhead guard from closing with
a scrap piece of wood between the fence
and the cutterhead guard, or remove the cut-
terhead guard.
3. Rotate the cutterhead so that one of the
knives is at the highest position.
4. Place a straightedge over the outfeed table
and the knife, so it evenly touches the out-
feed table at both ends of the knife. Rotate
the cutterhead slowly to see if the knife bare-
ly touches the straightedge. Check the knife
height at each end of the knife.
5. If the knife raises the straightedge, loosen
the knife clamp screws and gently tap the
knife with a small piece of wood. If the knife
does not touch the straightedge, loosen the
knife clamp screws and carefully pry the
knife up from the bottom edge with a flat-
head screwdriver. See the diagram in Figure
11 to identify the cutterhead parts.
6. Properly align both ends of the knife with the
outfeed table and tighten the knife clamp
screws. Recheck the knife alignment after
the screws are tight and adjust if necessary.
Disconnect power to the
machine when perform-
ing any adjustments or
maintenance. Failure to
do this may result in seri-
ous personal injury.
Knife Clamp
Knife Clamp
Screws
Knife
Cutterhead