PREVENTIVE MAINTENANCE PROCEDURE
CHALLENGER Series II Bulletin No. PH4
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
oil from the outside surface of the print carriage stroke cylin-
der on each print station. Using a cloth wiper, apply 10 wt.
non-detergent oil along the length of each stroke cylinder.
Only a small amount of oil is required. Excessive application
of oil will only serve to attract lint and other air borne conta-
minant’s to the stroke cylinder surface.
Apply oil along bottom cylinder surface.
081200MS
90