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	l. The radial skip of the equipment spinning axle shall be< =0.04mm. The axial fleeshall be <=0.1mm
	2. Keep the seat and the chamber sealed clean during the installation, Clean thesealing fittings and check for perfect sealing surfaces. Keep the sealed positions away from the impurity and dust.
	3.Any stroke, collision and knocking are strictly forbidden to avoid the failure of theseals due to the damage by above-mentioned rough operations.
	4.Put some clean oil (recommend to use soap water ) on the surfaces which are incontact with the secondary seals .
	5. Give a uniform force to the screws while tightening them up during the installation of the gland to ensure verticality of the ring surface to the axis of the axle.
	6.Push the rotating ring with your hand after installation and make it possible tomove freely on the axle and elastic laceration degree.
	7. Turn the spinning axle by the hand wheel after installation to make sure that theaxle spins with neither fatigue nor extra ease.
	8. The equipment shall be filled with mediums before it is put into operation so as to avoid the failure of the seals due to dry friction.

	9. Corresponding measures, such as washing ,filtering and cooling shall be takenwhen the temperature of the mediums that may be easily crystallized or granulatedexceeds 80°C. As to the other auxiliary systems, see the relevant standards on themechanical seal.
	10. Should have the shaft run by hand after stopping running for a long time , whichcan prevent mechanical seals from damage due to the adsorb of the sealing faces or the clog of the seals.