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06/2002 E dition S tudent Guide HS-50 Advance d I 12 Preve ntive Maintenance 78
Student Guide HS-50 Advanced I 06/2002 Edition
12 Preventive Maintenance
77
a Clean the sleeve shaft using a lint-free cloth moistened with ethyl alcohol.
Sleeves with ball catch
s Clean around the edge of the ball catch using a lint-free cloth moistened with ethyl alcohol.
06/2002 Edition Student Guide HS-50 Advanced I
12 Preventive Maintenance
78
Student Guide HS-50 Advanced I 06/2002 Edition
12 Preventive Maintenance
79
Standard sleeves
a Check that the O-ring is lying closely against the sleeve. Replace the O-ring if it is too far away
or damaged.
s Clean the snap-fit O-ring with a lint-free cloth.
s Grease the O-ring by rubbing in the Unisilkon L250L (ideally between your fingers). Then ca-
refully pull the O-ring over the suction cup and into the groove.
Check that the O-ring is lying snugly in the groove.
Do not remove the O-ring in order to grease it, since this will stretch it and make it unusable.
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