Rev: 09.2017
EBS Pre-Engineered Skid IOM
9
Maintenance prior to long term cessation of filter operation
The following must be done if the filter will not be operated for more than a month.
1.
Operate flushing cycle (If possible, with a closed downstream valve).
2.
Disconnect the control board from the power and lock the main switch before the limit switch disc
reaches the switch.
3.
Release pressure from the filter.
4.
Disconnect the compressed air supply and lock the main switch.
5.
Grease the drive shaft and the drive bushing.
Maintenance prior to re-operation
1.
Make sure that the filter is disconnected from power, compressed air and water supply.
2.
Grease the drive shaft and the drive bushing.
3.
Connect the control board to the mains.
4.
Connect the compressed air supply.
5.
Connect the filter to its water supply.
6.
Perform a General Inspection of the Filter Operation as described above.
7.
If necessary, change the Sealing Flange Internal O-Ring as described above.
Every Six Months
Before beginning this maintenance procedure, carefully read the safety instructions chapter of this document and
make sure that all the workers at the filtration site are fully aware of and comply with, these and any other local
safety instructions.
1.
Perform a General Inspection of the filter Operation as described above and carefully inspect the filter
visually for:
a.
Proper operation
b.
Any leakage from the filter housing or accessories
c.
Abnormal or unusual noises
d.
Loosen bolts
e.
Non smooth turning of the suction scanner
f.
Unusual load on the filter electrical motor
g.
Any sign of corrosion on the filter housing or accessories
h.
Unusual vibrations
i.
Non smooth operation of the filter valves, air release valves and check-valves
2.
Close the inlet and the outlet valves of the filter. Drain the filter housing and release any residual
pressure.
3.
Disconnect and lock the filter's power supply.
4.
Disconnect and lock the filter's compressed air supply and release any residual pressure.
5.
Disassemble the filter as described in the next chapter of this document.
6.
Inspect the filter screen and components for any wear and tear.
7.
Check the suction scanner and its nozzles.
8.
Check the filter bearings.
9.
Check the filter housing and lid for any sign of corrosion.
10.
Check the filter internal and external coating and pain for damage
11.
Replace any damaged component
12.
Make sure that your maintenance engineers are aware of even the slightest sign of corrosion in the filter
housing, lid or accessories. In such case consider performing a standard pressure vessel tests as
required by your local applicable standards.
13.
Re-assemble the filter as described in the next section of this document.
14.
Perform a complete
COMMISSIONING, START-UP AND FIRST OPERATION
as described earlier in
this document.
IMPORTANT!
THE DRIVE SHAFT MUST BE LUBRICATED WITH HEAVY-DUTY, WATER RESISTANT GREASE THAT WILL
NOT OXIDIZE. (SHELL, DARINA EP-2 OR SIMILAR)