PREVENTIVE MAINTENANCE PROCEDURE
CHALLENGER Series II Bulletin No. PH2
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)
Pneumatic Print Stations Only
4. Using a suitable wiper or cloth shop towel, remove old
grease from the print carriage guide shafts on each print sta-
tion. Using a small painters brush, apply a blend of 1/3 white
lithium grease with 2/3 10 wt. non-detergent oil along the
length of each guide shaft. Only a small amount of lubricant
is required. Excessive lubricant will only serve to attract lint
and other air borne contaminant’s to the guide shaft sur-
faces.
081200MS
Pneumatic Print Station
84
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