Cosen AH-250H, Instruction Manual

Page: 48 / 134

OPERATING INSTRUCTION
Section 4
4-15
7) Turn the vise clamp selectswitch to “ ” and depress No.12 again so that the workpiece is
securely clamped with the front vise.
8) Turn the rear vise forward-backward No.14 button and depress it until the rear vise moves to
the backward limit position.
9) Turn the vise clamp selectswitch to “ ” and depress No.12 button again so that the workpiece
is securely clamped with the rear vise.
10) Lower the saw head by depressing the quick approach button until the quick approach feeler
is 10 mm (0.4 in.) above the workpiece.
NOTE: Under no circumstances should the quick approach feeler be lowered beyond the
height of the workpiece.
11) Turn the rear vise forward-backward No.15 button and depress it to move the workpiece
forward until the cutting position of the work piece is aligned with the saw blade.
NOTE: If the desired cutting length is not obtained with the above procedure, repeat steps 7
through 11, omitting step 10.
12) After properly adjusting the position of the workpiece, to “ ” and No.12 button so that the
workpiece is securely clamped with the front vise.
9. Adjust the saw blade speed.
1) Set the flow control at zero.
2) Depress the blade drive button to start the saw blade As the blade begins to rotate the rear vise
will automatically move to the backward limit position and clamp the workpiece at that
position (When No.10 selectswitch turn to “
” position
)
.
3) Turn the variable speed handwheel to adjust the speed of the saw blade. It is necessary to
properly adjust the saw blade speed depending upon the material and shape of the workpiece to
be cut.
CAUTION: When a new saw blade is used be sure to BREAK in the blade before using it for
actual continuous operation. Failure to be so will shorten the service life of the blade
resulting in less than optimum efficiency.
10. Depress the blade drive button when the blade drive button is depressed, the saw blade motor
operates and then depress the saw head descending switch No.9 the saw head begins descend for
Page 48 Instruction Manual for AH-250H (B040) 04/12/2014