XK-8 Convertible (X100) V8-4.0L (AJ27) (2001)
Install the crankshaft setting peg 303-531 . Position the crankshaft so that the setting peg  engages fully into the timing slot.
Install and tighten the bolt  to secure the setting peg.
Remove the damper securing bolt from the crankshaft.
Install the camshaft locking tool 303-530, aligning the shafts slightly as necessary.
Expanded procedure(s) for servicing timing chain(s) can be found at "Engine : Timing Components : Timing Chain". See: Engine, Cooling and
Exhaust/Engine/Timing Components/Timing Chain/Service and Repair