I know this question is 3 years old but hope this video helps others
https://www.youtube.com/watch?v=RIi9lBC12t4
Remove back panel top.There should be 4 screws holding in the timer.Also the knob may have a small allen key screw holding it on.
194 views
Usually answered in minutes!
The solution for this model Simpson enduro 701 Model:22S701 F\C: E*07 or 22S701E*07 is the main control knob TWISTS OFF ANTI-CLOCKWISE. This will expose four screws that you release and a circlip then the Timer is pushed out the other side.
×