Tweco 152 CutMaster - Manual (Page 62)

CUTMASTER 152
SERVICE Manual 0-4987 5-8
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 bot-
tom fitting is normal.
This completes the parts replacement procedures.