Triumph Thunderbird Service Manual page 71

Cylinder Head
and align with the cast marks on the camshaft
ladder; also ensure that the chain slack is towards the
camshaft drive chain tensioner <front of engine) side.
5. Hold the camshaft drive chain in position on the
camshaft sprockets and fit the camshaft drive chain
tensioner in to the crankcase. Secure with the two
bolts and tighten to 10 Nm.
6. Using the edge of the hand apply a sharp 'tap' to the
top of the camshaft drive chain, between the two
camshaft sprockets, to release the camshaft drive
chain tensioner plunger latch. When the latch is
released, the chain will become tight.
Z Remove tool T3880039 from the crankcase.
8. Turn the crankshaft clockwise (as viewed from the
left of the engine) through four complete revolutions.
Stop when the hole in the crankshaft idler gear
realigns with the hole in the upper crankcase and the
timing pin can be refitted. Refit the timing pin.
@
-::I
1. Tool T3880039
2. Timing hole in crankcase
The plunger of the camshaft drive chain tensioner is
under spring tension. Always wear hand, eye and facial
protection when removing the tensioner as unprotected
areas of the body can be injured if the spring tension is
released in an unexpected or uncontrolled way.
2. To set the camshaft drive chain tensioner plunger to
its fully compressed, locked condition, hold the ends
of the resister spring together and push the plunger
into the tensioner body.
cfth
1. Tensioner
2. Tensioner plunger
3. Resister spring
3. Once the plunger is fully compressed, rotate the
latch over the pin on the plunger to lock the plunger
in position.
cfth
1. Latch
2. Pin
4. Using a suitable spanner on the flats on the
camshaft, rotate each camshaft so that the timing
marks on each camshaft sprocket points upwards
Service Manual - Thunderbird
3.9