Camshaft Drive Chain Tensioner; Removal; Inspection; Installation - Triumph Thunderbird Service Manual

Cylinder Head
Camshaft Drive Chain Tensioner
Before starting work, ensure the motorcycle is stabilised
and adequately supported. This will help prevent it from
falling and causing injury to the operator or damage to
the motorcycle.
Removal
1.
Remove the camshaft cover (see page 3-5).
2. Remove the alternator rotor and stator (see page
18-16).
3. Turn the engine until the timing pin T3880039 can
be inserted through the hole in the crankcase and
into the idler gear.
@
-::\
1. Tool T3880039
2. Timing hole in crankcase
4. Remove the three fixings and remove the camshaft
drive chain top pad.
1. Top pad
2. Fixings
5. Release the fixings and withdraw the camshaft drive
chain tensioner from the crankcase.
Inspection
1. Inspect the camshaft drive chain tensioner spring for
damage and deformation. Renew as necessary.
2. Inspect the tip of the camshaft drive chain tensioner
plunger for wear and damage. Renew as necessary.
Installation
1. Fit new O-rings to the camshaft drive chain tensioner
body.
Note:
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.
The camshaft timing will be lost when the camshaft
drive chain tensioner is removed. Do not refit the
camshaft drive chain tensioner without first setting the
camshaft timing. Rotating or attempting to start an
engine with incorrectly adjusted camshaft timing will
result in severe engine damage.
•
•
If installing a new camshaft drive chain
tensioner, do not release the plunger from its
fully compressed, locked condition before
fitting.
If installing the original camshaft drive chain
tensioner, prior to assembly into the engine it
is necessary to reset the plunger to its fully
compressed, locked condition.
3.8
SelVice Manual - Thunderbird