REVISED PDF ACCESS :
www.thetford-europe.com or www.thetford.com.au for australia
On home page click on Products
Click on read more (Toilets)
Click on read more (cassette toilets)
Click on read more (C200)
Click on Service
Click on pdf Repair instructions- sanitation
Save file to computer then on disc for reference when in caravan obviously with DVD/CD player.
As the cassette is the same this refers to the C200 but still download the pdf file.
bob uk
March 2012