Chicago Electric 61687 Operation Manual And Safety Instructions page 11

WARNING! This planer can only use the standard
straight knives. Never try to install any other knives
on this Planer.
9. Install a new Knife in the Knife Holder. If the
old knife is in good condition, the knife can be
flipped and the second edge can be used instead.
Position the Knife so its groove faces away
from the Knife Holder Bolts. See Figure c.
Figure c
10. Fit the tabs on the Knife Backing Plate (45d)
into the groove on the Knife. See Figure D.
Figure D
11. Insert the entire Knife Holder assembly all the
way into the slot in the Drum with the Bolt heads
facing the Adjustable Base Plate. Install it in
the same orientation as earlier and in the same
orientation as the other knife. See Figure E.
Rear
Base
plate
(40)
Adjustable
Base plate
(58)
Figure E
Item 61687
Knife
Knife
Holder
Knife
Backing
plate
(45d)
Bolt heads
face towards
Adjustable
Base plate.
Bolt heads
face this
way
For technical questions, please call 1-800-444-3353.
12. Turn the three Knife Holder Bolts in the direction
shown in Figure F to secure the knife holder
assembly in place. Only snug the Bolts for now.
Figure F: Tightening the Knife Holder
13. Set the Depth Adjustment Knob (52) to "0." Have
an assistant hold a straightedge (sold separately)
against the bottom of the Rear Base Plate (40).
Adjust one Set Screw (45e) until the Knife just
touches the straightedge on that side - see
Figure G. Adjust the other Set Screw until the Knife
just touches the straightedge on that side as well.
Knife (45b)
Straightedge
(sold separately)
Figure G: Knife Set Screw Adjustment
14. Turn the three Knife Holder Bolts firmly
in the direction shown in Figure F to
secure the Knife Holder in place.
15. Rotate the Knife Drum 180° and change
and replace/adjust the other Knife
according to Steps 1 - 13, above.
16. IMpORTANT! Carefully double-check that
the Knives and Knife Holders are secure and
that both Knives are level before use.
Note: If a Knife is adjusted to cut farther than the Rear
Base Plate it may create burned spots on the wood. If
a Knife is adjusted to not cut deeply enough the planer
will not be able to travel smoothly across the wood.
Knife Drum (45)
Set Screw (45e)
Knife Holder
Bolt (45c)
Wrench (64)
Turn
this way
to secure
knife holder
Rear Base
plate (40)
Page 11