Jet JJP-12 Operating Instructions And Parts Manual page 16

Setting cutterhead
adjustments if necessary.
After the knives are confirmed to be properly set,
check to see if the work table is set parallel to
the cutterhead as follows.
1. Disconnect machine from power source.
2. Rotate the cutterhead such that one of the
knives (A, Fig. 16) is at the 6 o'clock
position.
Figure 16
Refer to Figure 17:
3. Place a gauge block (B) or another
measuring device on the work table (C) at
one edge (D) directly under the cutterhead.
4. Unlock the table lock handle (F).
5. With the handwheel (G), gently raise the
table (C) until the gauge block (B) makes
slight contact with the tip of the knife blade,
then lock the table.
6. Move the gauge block (B) to opposite end of
table (E).
If the distance from the table to tip of the
knife blade is the same at both ends, the
table is parallel to the cutterhead.
knives) and make
A
C
E
J
Adjusting Work Table Parallel to Cutterhead
If the work table is not parallel to the cutterhead,
perform the adjustment procedure as follows:
7. With a 13mm wrench, loosen four hex cap
screws (H) located at each corner of the
column support (J).
8. Bring the table parallel to the cutterhead by
adjusting four setscrews (K) located at each
corner of the column support (J) next to the
hex cap screws (H).
9. Repeat steps 3 – 6, and if further adjustment
is necessary, repeat steps 8, 9.
When the table is determined to be parallel to
the cutterhead, tighten the hex cap screws (H).
16
B
H
K
F
G
Figure 17
D