Specifications
CUTMASTER A120
 SERVICE  5-8  Manual 0-4989
Optional Two-Stage Filter Element 
Replacement 
The Two-Stage Air Filter has two Filter Elements. When 
the Filter Elements become dirty the Power Supply will 
continue to operate but cut quality may become unac-
ceptable. Refer to Section 6, Parts List, for replacement 
filter element catalog number.
1.  Shut OFF primary input power.
2.  Shut OFF air supply and bleed down system.
 WARNING
Always turn OFF the air supply and bleed the system 
before disassembling the Filter Assembly as injury 
could result.
3.  Loosen the two bolts on the top of the Filter As-
sembly enough to allow the Filter Elements to 
move freely.
4.  Note the location and orientation of the old Filter 
Elements.
5.  Slide out the old Filter Elements.
First & Second 
Stage
Cartridges 
(as marked)
Art # A-02942
Optional Two-Stage Filter Replacement
6.  Slide the replacement Filter Elements into the 
Filter Assembly, with the same orientation as 
noted in Step 4 above.
7.  Hand tighten the two bolts evenly, then torque 
each bolt to 20 - 30 in-lbs (2.3 - 3.4 Nm). Improper 
torque may damage the gasket.
8.  Slowly apply air pressure to the assembly, check-
ing for leaks.
NOTE
A small amount of air leakage from the bottom 
fitting is normal.
This completes the parts replacement procedures.










