Well, you'll have to start by being much more specific.

Did you Google?

1. Writing standard operating procedure (SOP) for ISOThis 152 page book, "Operating Procedures For Process Plants" helps you in writing standard operating procedure (SOP) so as to produce a high quality manual ...
   www.feedforward.com.au/standard_operating_procedure.htm - Cached - Similar
2. [PDF] STANDARD OPERATING PROCEDURES:File Format: PDF/Adobe Acrobat - View
   use standard operating procedures to get everyone driving ..... writing process is an excellent way to tap the expertise of your technical advisers such as ...
   www.das.psu.edu/dairy-alliance/pdf/ud011.pdf - Similar
3. Writing Effective Standard Operating Procedures and Other Process ...Learn to write process documents required by the binding regulations.
   www.cfpie.com/showitem.aspx?productid=083 - Cached - Similar
4. [PDF] STANDARD OPERATING PROCEDURES:File Format: PDF/Adobe Acrobat - View as HTML
   with standard operating procedures. The person or small team that will lead the SOP development process needs to make plans and decisions before the ...
   www.ansci.umn.edu/.../Standard%20Operating%20Procedures.pdf - Similar
5. Standard Operating Process Systems - Training Seminars, Resources ...Jul 25, 2009 ... Search for Standard Operating Process Systems career or certification training by format and location, Standard Operating Process Systems ...
   www.training-classes.com/.../standard_operating_process_systems/ - Cached - Similar
6. [PDF] SOP introductionFile Format: PDF/Adobe Acrobat - View
   uses SOPs (Standard Operating Procedures) in their daily routines. ... be complementary with the flow of the activities/process to be performed. ...
   www.whoindia.org/LinkFiles/GPP_Introduction_to_SOP.pdf - Similar
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Thank you very much lynlynch

If i want to be specific the way RVZ717 said

I need sop for packaging machinery and grinding machinery

regarding productio on it and maintenance of it.

But I will try with your reference mentioned in your answer.

Thanks a lot.

Start with the manufacturers of the machinery -- they should have maintenance manuals or procedures or offer training.

I also like Del's very good, "radical" idea! Ask the people who are going to run or maintain the equipment what they want or need.

...I'll add one extra comment...
Ask the people who will be using the manuals what they need and how they would like them.
Ok I know it's a radical idea.
Del