Dake Model TB-16 - Manual (Page 12)

11
TURN POWER OFF!
Wait until machine has come to a
complete stop before proceeding with
speed change!
Speed adjustment:
Open the pulley cover to expose the
pulleys and drive belts.
Loosen the belt tension lock handles.
Choose the proper speed for the drilling
operation. Move the belt to the correct
step of the pulleys for the desired speed.
(See diagram on page 12) Push the
motor backwards until proper belt
tension is applied. (1/2” deflection as
shown below speed selection chart in
this manual) Retighten belt tension lock
handle.
NOTE: If center pulley bracket
does not move freely, loosen spring
loaded bolts ½ - ¾ turns.
Installation of drill bits in the chuck:
A drill bit with a shaft of at least 1” long
should be used to allow correct chuck jaw
contact. If shaft length is under 1” do not
insert bit as far into the chuck where it
allows jaw contact with drill flutes.
Center drill bit into the chuck and tighten
the chuck securely with the chuck key.
Note: Always use sharp, straight bits.
Never use bits with turned down shafts.
Never exceed the maximum diameter bit
size for the machine.
Always wear appropriate clothing while
operating the drill press.
All guards and interlocks must be in place
when operating the machine.