Hermle UWF 902 H, Operating Manual, Page: 124 / 135

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5.14 Maintenance of the Circulatory Lubrication System
• Hold the woven lose in the collecting container.
• To pump out the used oil, switch on the main spindle
at a low speed.
• Slip the woven lose [4] on again and tighten
the lose clamp [3].
• Clean the oil filter. See description (below).
• Unscrew and remove the lid [2] of the storage tank
and top up with lubricating oil in accordance with our
recommendations on page 5-7.
Cleaning the Filter
The oil filter must be cleaned every month or after
every 200 operating hours.
Completely unscrew the lid of the filter [5] (17 mm
wrench) and remove the gauze filter.
Screw on the lid of the filter [5] immediately in order
to avoid leakage of the storage tank.
Clean the filter by blowing though it or by washing it
in a solvent. Replace if the fabric of the filter is
damaged.
• The heat valve [6] has been set to 18° in the factory
and must not be changed.
• The maximum ambient temperature is +32°. If the
machine is located in small halls or in halls with a
high drop of heat and humidity provide sufficient
ventilation. If necessary, install an exhaust fan.
• The capacitor [7] must be carefully cleaned every
month by means of compressed air.
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