Huvema HU 40 GTF Super Vario, Manual, Page: 11 / 30

9
5.6 The Operation Cycle
1. Check that the head is secure.
Warning! Failure to lock the head handles can result in
damage of the machine and personal injury.
2. Secure the work piece to the table.
3. Adjust the table to the desired height. Use the front
or side crankshaft.
4. Use table lock crankshaft to lock the table. Attach
and rotate the riser handle clockwise.
5. Set the transmission mode. Use the Hi/Low gear
lever (J, Fig. 1).
6. Select drilling mode (H, Fig.1).
7. Set to manual mode. Check that the down-feed
levers (Fig. 9) are pushed in.
8. Set the drilling depth stop. For manual drilling or
tapping, set the front depth scale (M, Fig. 7). For
automatic drilling , set the down-feed side rings
scale (U, Fig.7). Refer to
Setting the Depth Stop
(5.2)
.
9. Start the machine. Push the start button (A, Fig. 1).
10. Select the spindle speed (F, Fig.1).
5.6.1 In Drilling Mode
11. Lock in manual mode or select automatic
mode and feed rate. Turn handle (N, Fig. 9)
or Refer to
Automatic Down-feed (5.4).
12. Begin drilling.
5.6.2 In Tapping Mode
In general, speeds for tapping require low
transmission mode with speeds lower than 150RPM.
*Tapping must be done in manual mode.
11. Set the down-feed rate to “0” . Use the
down-feed handle (L, Fig. 8). Refer to
Manual Down-feed (5.3)
.
12. Select the tapping mode (H, Fig.1).
13. Lock the down-feed levers (N, Fig. 9) in
position for manual down-feed. * Down-feed
must be lock to avoid accidental change to
auto down-feed mode while using the levers.
14. Release the unused depth stop. Loosen
handle (U, Fig. 7).
15. Start the machine. Push the start button (A,
Fig. 1).
16. Begin tapping. Use the down-feed levers to
enter the tapping bit in to the work-piece.
Then release hold of levers. The bit will
automatically reverse upon reaching the
depth stop.
Fig. 1
B
E
D
H
C
A
F
G
O
O
A C B
0.2 0.05 0 0.1
Down feed rate