Maintenance Log

/ Maintenance Log #22  
I write the date and hours on the filters with a paint pen.
 
/ Maintenance Log #23  
I do the same, but I also used my BROTHER P TOUCH printer to make sticker for windows in all my rigs. Date, miles or hours.

Dont bother with spread sheet, as all are out of warranty anyways.

I do keep a spread sheet for the 318 whole house generators I service though………
 
 
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