DMN BL300 - Cleaners; Lubricants; Malfunctioning; Probable Cause

DMN-WESTINGHOUSE AL-BL Rotary Valves
Code: AL-E.B.01.B 11-2012
53
4.5 Cleaners
Do not use cleaner with solvent.
If using a cleaner with solvent is necessary, make sure that solvent can not
reach bearing and sealing.
STOP
In case of high-pressure cleaning, pay attention to the ball-
bearing. Damaging the sealing of the ball-bearing may cause
malfunctioning of the bearing.
4.6 Lubricants
Lubricant
Type
Supplier
Application
Bolt
Retinax EP2
Shell
General
Cassida RLS2
Food NSF H1
Chain
Retinax EP2
General
The bearings fitted in the rotary valve are dust-proof ball-bearings. These bearings
are lubricated for life and does not require further maintenance.
5. Malfunction
5.1 Probable cause
Common disturbances and possible solutions are stated below.
If you are not able to solve the problem, please contact our service department.
Problem
Cause
Solution
- Low capacity
- Insufficient product supply
- Speed too low
- Too much air leakage
- Check supply
- Increase speed
- Improve venting
Check blades
(adjust/replace)
- Rotor is not turning
- Broken chain
- Rotor jammed
- Working temperature too high
- Malfunction drive
- Replace chain
- Dismantle valve
- Adjust rotor
- Check drive
- Shaft sealing is
leaking
- Gland packing worn-out
- Lip seal damaged
- Tighten gland follower
- Replace lip seal