Donatoni Macchine
Technical maintenance sheet Controlled procedure

MN0043CHECKING ROTARY UNION SEAL

Before proceeding, carefully read the

SAFETY INSTRUCTIONS

Intervalevery 500 working hours

Operation complexityLow01 / 05

Authorized personnelMachine operator

Required PPE:

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Procedure

Check externally for signs of coolant leakage. In the event of leaks, replace the component with the specified spare part.

Replacement

If replacement is required, proceed as described below

Unscrew the plug

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Insert a 6mm Allen key into the central hole.
Turn clockwise to unscrew (left-hand thread) or counterclockwise to secure it in the shaft seat.

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Screw the rear plug back on.

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