Jet ghd-20 ユーザーガイド
8
Raising the Head
The drill press head is lowered on the column
for crating and transportation. Before operating
the drill press, the head will need to be raised to
the operational level.
for crating and transportation. Before operating
the drill press, the head will need to be raised to
the operational level.
To raise the head:
1. Loosen the two head locking bolts (A,
Figure 4) by turning counterclockwise. Make
sure the two screws (C, Figure 4) in the lock
collar (B) are tight.
sure the two screws (C, Figure 4) in the lock
collar (B) are tight.
2. Take the head and turn it slightly from side
to side (Figure 5) to loosen the rust
prevention solution on the column
prevention solution on the column
3. Loosen the table lock by placing the handle
on the crankshaft (A, Fig. 7) and rotating the
handle counter-clockwise
handle counter-clockwise
4. Cut a 2x4 approximately 16” in length.
5. Raise the table by placing handle on
crankshaft (B or C, Figure 7) and rotating
clockwise. Snug the 2x4 between the table
and the head as close to the column as
possible. Caution: Do not place the 2x4
under the lock collar (B, Fig. 6).
clockwise. Snug the 2x4 between the table
and the head as close to the column as
possible. Caution: Do not place the 2x4
under the lock collar (B, Fig. 6).
6. Use the table lift crank on a shaft (B or C,
Fig. 7) to raise the head and 2x4 until the
head bore and the column are flush.
CAUTION: When the head bore and the
column cap are flush, the head cannot be
raised anymore. Use a ladder to observe
the column through the top of the belt cover.
head bore and the column are flush.
CAUTION: When the head bore and the
column cap are flush, the head cannot be
raised anymore. Use a ladder to observe
the column through the top of the belt cover.
7. Tighten the two head locking bolts (A, Fig.
4). This will hold the head in place until the
lock collar can be moved into position. The
2x4 can now be safely removed.
lock collar can be moved into position. The
2x4 can now be safely removed.
8. After the head is set at the desired height,
loosen two set screws (C, Fig. 4) on the lock
collar.
collar.
9. Slide the lock collar up the column until it is
flush with the head.
10. Firmly tighten the two setscrews on the lock
collar (C, Fig. 4).
To lower the head, reverse the steps above. Do
not loosen the head locking bolts without
supporting the head.
not loosen the head locking bolts without
supporting the head.
Figure 4
Figure 5
Figure 6