Warner Electric L Series 310 - Manual (Page 9)

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There are four possible methods for lubricating units operating in oil:
• Oil Immersion:
The oil level shall be carefully maintained to avoid faulty operation of the units (long response time,
overheating etc.) This level is easy to determine, and immersion depth of one centimeter begin generally fully
sufficient.
• Sprinkling:
With this method, care should be taken not to lubricate too copiously; if need be, one or several baffles
will have to be provided for. If, on the contrary, the existing lubrication is not sufficient, it will be necessary to
sprinkle the disc separately.
• Spraying:
This method of lubrication consist of using a mixture of oil and compressed air under a suitable pressure.
• Oil Circulation:
When operating conditions are extremely hard, it is necessary to provide for an oil circulation through the disc.
This cooling oil circulation, which may be continuous or intermittent (discontinued when clutch disengaged or
brake released), requires the shaft be bored and the unit to be specially machined. Special care should
be taken that the oil flow and pressure are suitable, otherwise the result obtained could be contrary to that
intended.
The pressure is generally 0,5 bar. The flow, which depends on the application, shall be determined by our
Technical Department and will always be adjusted by test on the machine.