PREVENTIVE MAINTENANCE PROCEDURE
CHALLENGER Series II Bulletin No. IX7
Procedure Information (Cont.)
5. Be sure pet-cock valve on 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)
6. Remove lock-out tag from electrical disconnect and turn
disconnect switch back “ON” to supply electrical power to
the equipment. (See illustration at right)
4. Using a suitable wiper or cloth shop towel, clean away the
old grease from the bottom surface of the lower carousel
plate. Use a small painters brush to apply white lithium
grease around the bottom of the lower carousel plate where
the index lift pistons make contact with the plate. Only a
small amount of grease is required. Excessive application of
grease will only serve to attract lint and other air borne con-
taminant’s to the index plate surface.
IMPORTANT! IF THIS MAINTENANCE PROCEDURE IS
NOT PERFORMED ON A REGULAR BASIS AS LISTED,
THE TABLE LIFT CYLINDER PISTONS WILL SCORE A
GROVE INTO THE SURFACE OF THE CAROUSEL PLATE
CAUSING SEVERE AND PERMANENT DAMAGE!
Apply grease to index plate surface here.
081200MS
88
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