Jäger Z33-D060.52 S21, Manual

Page: 33 / 40

Maintenance
Item no. 15301036, Revision 01 33 ( 40 )
12 Maintenance
Only specialist personnel may perform maintenance on the spindle.
The HF spindle must be shut down before any maintenance work.
Ü
Make sure that the shaft of the HF spindle has come to an absolute stand-
still.
Ü Before carrying out any work, read the corresponding section of the man-
ual carefully again.
Ü Observe the manual of the machine in which the HF spindle is installed.
Ü Observe all safety instructions and safety rules.
12.1 Ball bearings
Note: Foreign matter reduces the service life.
The HF spindle bearings have lifetime grease lubrication. This means that
they do not require maintenance.
u
Do not lubricate the ball bearings.
u Do not apply grease, oil, or cleaning agents to the openings of the HF
spindle.
12.2 Daily cleaning
To ensure that the HF spindle functions safely and accurately, all contact sur-
faces of the HF spindle, the mount for the HF spindle, the tool mount, and the
tool holder must be clean.
Note: Foreign matter reduces the service life.
u
Do not use compressed air to clean the HF spindle.
u Do not use ultrasonic cleaning on the HF spindle.
u
Do not use steam jets to clean the HF spindle.
This could cause contamination to enter the bearing area.
12.2.1 Before commencing work
Ü Check that all surfaces are thoroughly cleaned and free of dust, grease,
coolant, machining residues, and metal particles.
Ü Check that the HF spindle is free of damage.
Ü
If the HF spindle is equipped with sealing air, always switch this on during
cleaning.
Ü Only use a clean, soft cloth or a clean, soft brush for cleaning.
12.2.2 With every tool change
Ü Ensure that the tool mount and tool shank are clean.
Ä Remove any soiling.