PREVENTIVE MAINTENANCE PROCEDURE
CHALLENGER Series II Bulletin No. IX10
Procedure Information (Cont.)
7. Be sure the pet-cock valve on the moisture trap assembly
is closed. (See Step No. 3) Open manual shut-off valve for
compressed air supply to the equipment. The manual shut-
off valve is open when the handle is aligned with the incom-
ing compressed air supply line pipe or hose. (See illustration
at right)
4. Remove moisture trap reservoir assembly by pushing up
while turning the reservoir 1/4 turn to the right (clockwise).
5. Remove the filter element keeper by turning to the left
(counterclockwise).
6. Install new filter element and element keeper. Replace
reservoir assembly. (Refer to the illustration at right)
8. Remove lock-out tag from electrical disconnect and turn
disconnect switch back “ON” to supply electrical power to
the equipment.
Filter element keeper
Filter element
081200MS
100