Facom DT.PSA Notice D'instructions page 15

DT.4360P4 Tensioner Setting Pin
Insert DT.4360P4 Pin into the tensioner pulley bracket and slacken tensioner nut.
Turn the tensioner clockwise until the pointer touches the Setting Pin, re-tighten nut and remove the pin,
DT.4569 Timing Belt Retaining Clip
With the crankshaft and camshaft pins in position, fit the new belt around the crankshaft gear
and secure in place with DT.4569 Clip.
Section 5:
PSA - VEHICLE MANUFACTURER'S TOOL CROSS REFERENCE
This cross reference provides the Citroen/Peugeot Specialised Service Tool number and the "DT." Tool covering the relevant service application