4-22 AIR FILTER SERVICE. (Refer to Figure 4-15)
This task covers:
General Mechanics Tool Box, Item 1, Section
Cover removed from Recovery / Recharger
III, Appendix B.
Wrench, Pipe, Item 6, Section II, Appendix B
Air supply disconnected, paragraph 2-7
Solvent Item 8, Section II, Appendix F
Unscrew bowl retaining ring (1).
Remove bowl (2) and empty any water. O-ring may come off with bowl. Retain for reuse. (If other than
water in bowl, have air supply checked for contamination.)
Remove screw (3) holding lower baffle (4), gasket (5), filter element (6), upper gasket (7) positioning cone
(8) and upper baffle (9).
Separate all components removed above.
Wash filter element in cleaning solvent (item 8, Section II, Appendix F).
Dry filter element thoroughly. (Do not use compressed air.)
Install lower baffle (4) and gasket (5), filter element (6), upper gasket (7), positioning cone (8) and upper
baffle (9) on screw (3).
Position above assembly and secure in place by tightening screw (3) (finger tight).
Position O-ring (10) (if loose), install bowl (2) and secure with bowl retaining ring (1).
Pressurize system and check for leaks by sound and leak detection compound (item 9, Section II, Appendix