There may be more than one manual available for your model, depending on how old it is.  On the back of your cleaner, on the same sticker as the model number, is a manufacturing code (MFG Code).  The last two digits in the code represent the year it was made.  If multiple manuals are available for your cleaner, pick the one that's revision date is closest to the year your cleaner was made, without being newer.

Some manuals apply to several of our cleaners, for this reason the manual may not have the exact name of your cleaner on it, but will be correct as long as you searched using the right model number.