Critical path analysis guillotine backstop

Buying the motor and gearbox

Dismantling the backstop

Servicing the components that will be reused.

Making the new slides

Making the bracket for the motor and gearbox

Fitting the motor and gearbox assembly to the backstop

Refitting the referbished components

Building the slide connecting bars and stoppers

Fitting the new slides

Building the electronics

Fitting connecting bars and stoppers

Modifying the lead screw

Fitting the lead screw