Triumph TR6 PI Operation Manual page 127

5. Reverse instructiolls I to 4 ensuring the security of
the vacuum tube connections and the setting of the
throttle cable i.e.
till
tightness.
IlO
play.
E.G.R. CONTROL VALVE
(No! jilled !o pre I
'J
74 cars)
Remove and refit
Removing
I. Disconnect the throttle control cablc.
Disconnect the vacuum control tube.
3. Unscrew the cam retaining nut.
4. Lift off the cam complete with valvc.
Refitting
17.45.01
EMISSION CONTROL
--1--2
17.45.05
17.45.10
EXHAUST GAS RECIRCULATION (E.G.R.) VALVE
(Not/ifted!o pre IY74 cars)
Remove and refit
E.G.R. Valve to manifold pipe
Removing
I. Disconnect the vacuum control valve pipe from the
top of the valve.
2. Slacken the unions securing the steel pipe to the inlet
manifold and the valve.
NOTE: As the steel pipe is longer on one side of the bend
than the other it should be marked to ensure correct
refitting.
3. Remove the steel pipe.
4. Slacken the locknut at the base of the valve.
5. Unscrew the valve and remove from the head.
Cleaning
6. Clean the assembly area of the valve with a wire
brush. Use a standard spark plug machine to clean the
valve and seat. Insert the valve opening into the
machine and
lift
the diaphragm evenly by using two
fingers, one each side of the support strut. Blast the
valve for approx. 30 seconds, remove and inspect, if
necessary repeat until all carbon deposits are
removed. Use compressed air to remove all traces of
carbon grit from the valve. Use a flexiwire brush to
clean the steel pipe - blow clear of carbon grit.
Refitting
7. Refit by reversing the instructions I to 6 - check the
position of the steel pipe before attempting to tighten
it.
Triumph TR6 Manual Part No. 545277 Issue I
P
TO~65
a
2
17.45.01
17.45.10