Cosen AH-250H, Instruction Manual

Page: 53 / 134

OPERATING INSTRUCTION
Section 4
4-20
2. Open the wheel cover.
3. Open the driven-side saw blade safety cover.
4. Pull down the saw blade insert.
5. Turn the saw blade tension lever to “
” position to move the driven wheel close the drive
wheel.
6. Loosen the wire brush lock lever, and lower the wire brush.
7. Clean the saw band guides before installing a new saw blade.
8. Install the saw blade on the drive and driven wheels with the cutting edge facing down.
NOTE: Wear leather gloves when handling the saw blade.
9. Put the saw blade into the left-hand and right-hand saw blade inserts. When the back of the saw
blade is pressed against the backup rollers(backup tip) in each saw blade insert, pull up the saw
blade insert open/close levers to clamp the saw blade.
10. Press the back of the saw blade against the flange of the drive wheel, and hold the saw blade with
the blade holder.
NOTE: The blade holder will automatically release the saw blade when the saw blade starts
running.
11. Press the back of the saw blade against the flange of the driven wheel, and turn the saw blade
tension lever to the “ ” position. The saw blade will be tensioned to the proper degree.
12. Pull up the saw blade insert open/close levers.
13. Close the saw blade safety cover and gently close the wheel cover.
14. Press the blade drive button to start the saw blade running.
15. Open the wheel cover and check to see that the saw blade is not off the drive and driven wheels
and is securely pressed against the backup rollers(backup tips).
16. Move chip of wire brush back to cleaning position. Adjust brush allowing the tips to run free
through the bottom of the teeth and tighten the lock lever.
17. Close the wheel cover.
4.6 HOW TO LOAD THE WORKPIECE
Please refer to 4.3.2 manual model
CAUTION: If the work cannot be securely clamped with the front and rear vises, use jigs to
clamp it securely. It is dangerous if the work is clamped loosely and forced out of
the vises during cutting.
1 .Turn the AUTO/MANUAL selectswitch to MANUAL model
2 . Press and hold the BLADE UP button until the saw head rises to the upper limit.
NOTE: Please press and hold the BLADE UP button until the saw head rises to the upper limit.
STEP 3 & 4
3 .Press and hold the FRONT VISE UNCLAMP
“ ” selectswitch to open the front vise wider
than the width of the work to be loaded.
4 . Press and hold the REAR VISE UNCLAMP
button to open the REAR VISE UNCLAMP
button to open the rear vise wider than the width
of the work to be loaded.
REAR
FRONT
SAW BLADE
VERTICAL
ROLLER
WORK
PIECES
Page 53 Instruction Manual for AH-250H (B040) 04/12/2014