DMN-WESTINGHOUSE AL-BL Rotary Valves
Code: AL-E.B.01.B 11-2012
19
3.1.4 Dismantling, assembly and adjustment instructions for the valve
DMN-WESTINGHOUSE valves have been manufactured with great care. To reduce
air leakage’s, internal running clearances are kept extremely small during manufacture
and assembly of the valve.
- do not use heavy or rough tools;
- avoid damages like scratches and burrs;
- clean all parts thoroughly
In case of repair work to the valve, please follow safety instructions
of chapter 1.
- Turn off the electrical supply, lock the switch and/or remove the fuses;
- If necessary, disengage the chain to ensure that the rotor does not turn.
Fig. 3.1.4.1 Dismantling standard execution.
3.1.4.1 Dismantling standard execution
Non-drive side
- Remove the bolts (151) from the bearing cover (104) and remove cover.
- Loosen the locking nut (222) remove the safety ring (221) and spacer ring
(202).
- Remove the end cover fixing bolts (152) fit two of these bolts in the tapped
jacking holes provided in the end cover (107) and remove.
Drive side
- Dismantle the drive parts.
- Loosen the locking nut (222) remove the safety ring (221) and spacer ring
(202).
- Remove the end cover fixing bolts (152), fit two of these bolts in the tapped
jacking holes in the end cover (102) and remove. The rotor is removed by
pulling it axially from the body.
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