DMN-WESTINGHOUSE AL-BL Rotary Valves
Code: AL-E.B.01.B 11-2012
26
Clearance depends of size valve and product temperature and valve material.
See enclosed table of clearances for the right adjustment of the rotor.
To achieve rotor end clearance stated above a gasket is fitted between the body and
end cover non-drive end.
For instructions to adjust the rotor and blades see chapter 3.1.4.3 of the AL/BL
series instruction manual.
Lubrication data
The interval between overhauls will vary with the product being handled and should
be based on total operating time. To a large degree the rate of wear for a particular
application would be assembled by practical experience.
Maintenance apart from planned overhaul should be adequately covered by regular
and frequent attention to the rotor shaft glands, bearings, reduction gear lubrication
and adjustment and lubrication of the motor drive chain and chain sprockets.
Bearing of the rotor shaft (for product temperature up to max. 250C)
The bearings fitted in the rotary valve are roller bearings (105).
Apply a few shots of Klüber HM 83-402 to the bearing grease nipple’s (170) using a
gun before starting the valve and at any future opportunity when the valves are
'cool'.
Check bearing monthly and grease if necessary.
Do not apply to valves when hot as the carrier in the lubricant will 'FLASH OFF'.
Drive chain and sprockets
Lubricate with ROCOL FOLIAC L621 monthly.
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