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(18) Renew sparking plugs
For each sparking plug in tum
1.
Remove ignition high tension lead from plug.
2.
Unscrew plug from engine using a special plug
spanner or a box type spanner.
3.
Discard plug.
4.
Visually check new plug for damage to body and
electrodes, discard plug if damage is present.
5.
Check electrode gap on new plug, which if correct
will just allow a 0'025 in (0'64 mm) feeler gauge. to
slide slowly between the electrodes under light
pressure.
If adjustment is necessary.
6.
(aj Using a suitable tool, carefully move the side
electrode.
(b) Recheck the gap and repeat this procedure until
the gap is correct.
7.
Check sealing washer for cracks and distortion, and
renew washer if necessary.
8.
Fit new sparking plug to engine.
9.
Tighten plug to 14 to 20 Ibfft (1'9 to 2'8 kgfm).
10.
Refit high tension lead to plug.
(19) Check/adjust torque of cylinder head nuts/bolts
1.
Remove rocker cover - See 12.29.42.
2.
Using the sequence shown, tighten cylinder head nuts
to 60 to 80 Ibf ft (8'3 to 11'1 kgf m).
3.
Check/adjust valve rocker clearances - See 12.29.48.
4.
Check rocker cover gasket for damage, and renew if
necessary.
5.
Refit rocker cover - See 12.29.42.
6.
With gears in neutral, handbrake on, start engine and
check for leaks from rocker cover gasket.
(20) Check/report cylinder compression
See 12.25.01
(21) Check/adjust valve rocker clearances
See 12.29.48
Triumph TR6 Manual. Part
N~).
545277 Issue
J
MAINTENANCE
2
10.00.11
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