Triumph TR6 PI Operation Manual page 182

FUEL SYSTEM - TC
SYMPTOM
CAUSE
ACTION
Piston damper inoperative
Check damper oil level and top up
with specified oil' re-check damper
operation by raising piston by hand
whereupon resistance should be felt.
Air valve spring missing or wrong part Check correct grade of ",pring and refit
2. Hesitation or 'flat spot'
fitted
as required.
a. b. c. d. e. f,
g
and h
plus:
Ignition timing incorrect
Check and reset as required.
Throttle linkage operation incorect
Check operation of linkage between
carburetters and operation of
secondary
throttle links' reset or
repa1ce parts as required.
3. Heavy fuel consumption Leakage from the fuel connections. Replace gaskets and '0' rings as
I and 2 plus: float-chamber joints or sealing plug '0' required.
rings
Faulty by-pass valve Replace by-pass valve with new unit.
Sticking throttles
Check throttle operation and reset as
4. Lack of engine. braking
required.
Ignition retard unit inoperative Check ignition setting at idle and
ensure correct functioning of retard
system.
Damaged diaphragm Inspect. and replace if incorrectly
5. Lack of engine power
fitted or damaged.
Low fuel flow Check discharge from fuel pump.
Inspect needle valve seating.
NOTE: To ensure compliance with exhaust emission legislative requirements the following items MUST NOT be changed
01
modified in any way:
The fuel jet assembly' the air valve' the depression cover' the position of the fuel metering
ne~dle.
The following items must not be adjusted in service but should be replaced completely by factory-set units.
The temperature compensator' the air valve return spring' the by-pass unit· the starter assembly.
Triumph TR6 Manual. Part No. 545277 Issue 1
I9.00.02C
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