PREVENTIVE MAINTENANCE PROCEDURE
CHALLENGER Series II Bulletin No. IX4
Procedure Information (Cont.)
5. Be sure pet-cock valve on moisture trap reservoir assem-
bly 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
incoming compressed air supply line pipe or hose. (See illus-
tration 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. Apply white lithium grease until you notice the grease
breaking between the bearing race and the center shaft. Two
or three pumps of the grease gun should be all that is
required for proper lubrication of the index bearings.
Zerk grease fittings
081200MS
82
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