sop for Preventive Maintenance Of Fluid Bed Dryer

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4 years ago

sop for Preventive Maintenance Of Fluid Bed Dryer

1.0 Objective
To lay down a procedure for the Preventive Maintenance for the Fluid Bed Dryer.
2.0 Scope
This Standard Operating Procedure is applicable for the Preventive Maintenance of Fluid Bed Dryers to be followed at formulation plants
3.0 Responsibility
3.1 Engineering Officer / Executive shall be responsible for the execution of this procedure.
3.2 Engineering Manager shall be responsible for the implementation of this SOP.
3.3 Head QA/designee should be responsible for the compliance of this SOP.
4.0 Abbreviations and Definitions
SOP : Standard Operating Procedure etc
No : Number
QA : Quality assurance
Qty. : Quantity
FBD : Fluid bed dryer
ER : Engineering
5.0 Procedure
5.1 General Conditions
5.1.1 Refer the master plan of preventive maintenance.
5.1.2 Equipment shall be available for preventive maintenance.
5.1.3 Clean oil / grease stains & remove unwanted material, spares after completion of work.
5.2 Precautions
5.2.1 Use necessary safety wears, while doing the work.
5.2.2 Ensure covers & guards are properly fixed
5.3 Procedure For Preventive Maintenance Of Fluid Bed Dryer
5.3.1 Ensure that electrical supply is in off position in main panel and display “Under Maintenance” Board on the panel board and inform all the concerned.
5.3.2 Operator or above has to ensure and verify the check points for the preventive maintenance as shown in the annex – 1,2,3 & 4 of this SOP.
5.3.3 After the completion of preventive maintenance, check the machine for smooth operation.
5.3.4 Remove “Under Maintenance” Board on the panel board after completion of the Maintenance.
5.3.5 The operator / technician who perform the job will enter his name / sign in “Done By” Column and responsible Engineer/ Officer and Officer – Production will put sign in “Checked by” column.
5.3.6 Quarterly maintenance will include the jobs of monthly maintenance, half yearly Maintenance will include the jobs of monthly and quarterly maintenance and year Maintenance will include the jobs of monthly, quarterly, half yearly and Yearly Maintenance.
5.4 Monthly preventive maintenance is to be carried out as per the following check points:
5.4.1 Check and tight the foundation bolt of bottom body all exposed nut and bolts.
5.4.2 Clean the FBD filters as per respective SOP.
5.4.3 Check all the roller of product container trolley for any jam problem. Change the roller bearings, if needed.
5.4.4 Tighten all the electrical connections & clean the electrical panel with hand blower.
5.4.5 Check all pneumatic pipes and valves for any leakage of air, if found damaged, replace the same.
5.4.6 Check the filter bag-supporting hanger (hook) for any damage.
5.4.7 Check the supporting mounting bolt of lowering cylinder of filter bag housing.
5.4.8 Check all clamping bolts of ducting system (Inlet & Outlet ducting).
5.4.9 Check the motor terminal connections and tighten the same
5.4.10 Check all the clamps of product container and tight them, if required.
5.4.11 Check the following gasket for any damage: Gasket between retarding chamber & product container, Gasket for explosion flap, “O” ring for butterfly valve.
5.5 Quarterly preventive maintenance is to be carried out as per the following check points:
5.5.1 Check the filter bag shaking cylinder for any leakage of air. (If required, air seal is to be changed).
5.5.2 Check the pneumatic cylinder for any air leakage. (if required, replace pneumatic Cylinder piston “o” ring & sealing gasket).
5.5.3 Check & clean the steam strainers at inlet & outlet.
5.5.4 Check & clean the steam traps.
5.5.5 Check the proper Earthing.
5.6 Half yearly preventive maintenance is to be carried out as per the following check points:
5.6.1 Check and tighten the blower motor terminal connection.
5.6.2 Check the blower impeller for proper balancing.
5.6.3 Check the entire solenoid valve with coil. (If required, change the solenoid valve & coil).
5.7 Yearly preventive maintenance is to be carried out as per the following check points:
5.7.1 Check the main switch, fuse & switch contacts of test lines for continuity.
5.7.2 Check interlocking of process timer.
5.7.3 Check pressure relief flap.
5.7.4 Check all electrical connections (control panel, all motors,) for any loose Connections, burned contacts, signs of overheated wires, tighten/replace the same.

6.0 Forms and Records
6.1 Quarterly Preventive Maintenance Check List of Fluid Bed Dryer
6.2 Half Yearly Preventive Maintenance Check List of Fluid Bed Dryer
6.3 Yearly Preventive Maintenance Check List of Fluid Bed Dryer – Annexure-3
7.0 Distribution
7.1 Master copy – Documentation Cell (Quality Assurance)
7.2 Controlled copies – Engineering Department

1	Before starting Preventive maintenance of FBD “switch off” the panel board.	Ok/Not Ok
2	Put the board of “Under Maintenance “ on the panel board	Ok/Not Ok
3	Check and tight the foundation bolt of bottom body all exposed nut and bolts.	Ok/Not Ok
4	Clean the FBD filters as per respective SOP.	Ok/Not Ok
5	Check all the roller of product container trolley for any jam problem. Change the roller bearings, if needed.	Ok / Not ok
6	Check all pneumatic pipes and valves for any leakage of air, if found damaged, replace.	Ok/Not Ok
7	Check the filter bag-supporting hanger (hook) for any damage.	Ok/Not Ok
8	Check the supporting mounting bolt of lowering cylinder of filter bag housing.	Ok/Not Ok
9	Check all clamping bolts of ducting system (Inlet & Outlet ducting).	Ok/Not Ok
10	Check the earthing connection of motor.	Ok/Not Ok
11	Check the all terminal connections and tighten the same	Ok/Not Ok
12	Check all the clamp of product container and tight them, if required	Ok/Not Ok
13	Check the following gasket for any damage: Gasket between retarding chamber & product container, Gasket for explosion flap,“O” ring for butterfly valve.	Ok/Not Ok
14	. Check the filter bag shaking cylinder for any leakage of air. (If required, air seal is to be changed).	Ok/Not Ok
15	Check the pneumatic cylinder for any air leakage. (If required, replace pneumatic Cylinder piston “O” ring & sealing gasket)	Ok/Not Ok
16	Check & clean the steam strainers and steam trap at inlet & outlet.	Ok/Not Ok
17	Clean the FBD filters as per respective SOP	Ok/Not Ok
18	Remove the board of “Under Maintenance” on the panel board	Ok/Not Ok

sop for Preventive Maintenance Of Fluid Bed Dryer

sop for Execution of Preventive Maintenance