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EP(*)
PAO
PAG
t
o
< 65 8000 25000 25000
65 < t
o
< 80 4000 15000 15000
80 < t
o
< 95 2000
(@) (#)
12500 12500
Average oil opera-
ting temperature
[C°]
Interval replacement [h]
mineral oil
synthetic oil
(*) = Replacement within 1 year
(@) =
It is not advised continuous operation in this range of oil temperature: 80°C to 95 °C
(#) = Recommended checking every 6 months
Handle them with care using suitable individual safety equipment. Do not dump them into the
environment and dispose of in accordance with applicable legislation.
8.3 CHECKING OPERATIONAL EFFICIENCY
• Remove any dust from the gear unit and motor casings.
• Check that the noise generated at continuous load does not vary. Excessive vibration or noise
can indicate wear of the gear train or failure of a bearing.
•
Check the power absorption and voltage against the rated values given on the motor’s nameplate.
• Check the wear of the friction surfaces and braking gasket on the brake motors (if tted) and, if
necessary, adjust the gap.
• Check for lubricant leaks from the gaskets/seals, plugs and casings.
• Check all bolted couplings for wear, deformation and corrosion and tighten them down fully, but
without over tightening.
8.4 CLEANING
Remove all dust and process waste from the gear unit. Do not use solvents or other products that
are incompatible with the unit’s construction material and do not direct high pressure jets of water
at the gear unit.
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