Triumph TR6 - Petrol Injection System; System Overview and Operation

REGULAR
MAINTENANCE
8.
9.
a
J.
Depress
the
brake pedal
and
allow
it to
return slowly
noting
thal
only
a
LIGHT
pedal effort
is
required
and
the pedal
must
NOT
bd
pushed
through
at
the
end
of the
stroke'
(In
addi-
tion
on
L.H. steering
Cars
never
"tty"
the pedal
until
all
air
has
been
dispelled
and
the system
is
fully bled,
as
ellhel
action
will
cause
thb shuttle
to move
and
actuate
the switch)'
Pausing
between
each
depression
of
the pedal,
continue
purnping
until
all
air
has
been dispelled
from the
bleed-screw
(denoted
bv
the
absence
of
bubbles
in the
fluid
being pumped
into the
jar).
With
the
pedal
depressed,
close
the bleed-screw
nipple
and
repeat
the
operation
on the
other
brake'
Exert a
steady
pressure
on
the brake
pedal
until
the
brake
light dims and
the oil
light
glows.
(A
click should
be
felt on
the
pedal
as
the shuttle
returns to
its mid-position).
Tighten the
bleed-screw.
4.
L.H.
Steering
Cars
only
Procedure
for Re-centralising
the
P.D.W.A.
Piston
If,
for reasons
described
above,
the
P.D.W.A.
shuttle
requires
to
be
re-centralised,
adopt
the
following
procedure'
5.
Fit a
rubber tube,
as
described
in
1
above,
to a
brake bleed-
screw at
the opposite
end
of the car
to
that
which
has
just
been
bled.
Open
the bleed-screw.
Switch
the
ignition on
but
DO NOT
START
THE
ENGINE.
(The
brake warning
light will glorv
but
the oil
warning
light
will
remain extinguished).
NOTE.
If the pedal
has been pushed
too hard the shuttle
will
move to
the other
side of
the valve,
thus
requiring the
Proce-
dure
to be
repeated
on a
brake at
the opposite end
of the car.
Clutch
and
Brake
Pipe
Hoses
Every
61000
miles
(10,000
km.) examine
and
renew
defectirc'
hoses.
Ensure
that
pipes and
hoses have adequate
clearance
to
prevent
chafing
against
other
compongnts,
particularly
when
the
steering
is turned
to
"full lock" in either
direction.
Bleeding
the
Ctutch
System
(Figs.
58
and
84)
When
a pipe
joint
has
been disconnected,
or
part
of thc
hydraulic
clutch
system
dismantled,
bleed
all air
from the system
as
follows:
1. Clean
the
neck and cap
of
the master
cylinder.
2. Remove
the cap
and
top-up
with
new hydraulic
fluid.
(At
no time,
during
the subsequent
operation,
allow
the
level
of
fluid to
fall below
half
full).
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6.
7.
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60