RIDGID R4850 Operator's Manual page 16

5.
Place the magnetized end of the wrench
center of the knife. Lift the wrench until the knife
separates from the pins. Remove the knife.
H
Repeat steps 3 through 5 to remove the other two
knives. Press down the cutterhead lock release and use
the supplied wrench
the lock engages and the next knife is in position to be
removed.
6.
IMPORTANT: After removing all knives from
cutterhead, carefully set them aside. Using a cloth rag
and isopropyl alcohol, clean the cutterhead, knives and
hold-down bars free of gum, tar and pitch residue. Take
special care to clean the cutterhead under the knife area
and the cutterhead radius in front of the knife area.
Doing this will increase the life of your planer.
7.
Take this time also to clean the rollers
8.
Your unit is equipped with double-edged knives. If the
second edge of the knife has not been used, rotate
the knife 180 degrees and replace on the cutterhead.
Replace the knives if both sides have been used.
9.
Attach the hold-down bar
removed in STEP 4. Tighten all fasteners securely.
10.
Depress the cutterhead lock release and rotate
the cutterhead to the next empty position until the
cutterhead lock engages.
11.
Repeat steps 9 through 11 to replace the other knives.
12.
Reattach the dust deflector or dust collection port.
MAINTENANCE/ADJUSTMENT
at the
PC5
to rotate the cutterhead until
PC5
Figure 23.
I
Figure 21 that you
F
PC5
H
I
16
E
FIGURE 21
FIGURE 22
FIGURE 23
F