PREVENTIVE MAINTENANCE PROCEDURE
CHALLENGER Series II Bulletin No. PH5
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 of cloth shop towel remove the old
grease from the inside surface of the “U” shaped index cap-
ture fork clevis and outside race of the index cam follower
bearings. Using a small painter brush, apply white lithium
grease to the inside “U” of the capture fork clevis and the
outside race of the index cam follower bearings. 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 capture fork clevis and cam follower bear-
ing race surface.
Apply oil along cylinder surface on both sides.
081200MS
Use small brush to apply white lithium grease
on cam follower race.
92
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