Tweco 82 PlazMaster - Manual (Page 60)

PLAZMASTER 82
SERVICE 5-8 Manual 0-5096
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 "6.04 Options and Accessories" on
page 6-2, 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 As-
sembly 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.