Triumph TR6 - Cooling System; Draining the Cooling System; Flushing the Cooling System

COOLING
SYSTEM
.
The
pressurised
"no
loss"
cooling
system
incorporates
a
trans-
lucent
plastic overflow
reservoir
1nlg.
+o;
which^collects
excess
coolant from
the radiator
as the
coolant
in
the
system
expands
with
heat.
_Depression
created
as the
system
cobls,
caus6s
the
coolant to flow
back from
the
reservoir
into
the
radiator.
The
fluid level,
which
is
visible
through
the
translucent
reservoir,
should
be
maintained
at
least
half
full when
cold.
Draining
.
To
{r.ain
the
system,
move
the
heat
control
(23)
Fig. 2,
to
hot
position, remove
the radiator
filler
cap
(Fig.
38)
ani
open
tap
at the rear
right-hand
side
of
the
cylinder
6lock
@ig.
3l),
the tap
at
the
bottom
of the radiator
(Fig.
37).
NOTE.
See
"Caution",
page
45.
Flushing
Efficient
cooling
is maintaiTd
by
thoroughly
flushing
the
system once.each
year before
adding
anti-freeze.
When
cariying
this
out, it is
advantageous
to
remove
the
drain
tap
compl6tel!
and to
use plenty
of
clean running
watcr.
Allowing
anti-freeze
solution
to
remain
in
the
system
through-
out
the summer
period
affords
anti-corrosion
prbtection.
ftre
solution, however,
rh.oyl9.be
changed
at the
b-eginning
of
each
winter
period
as
the
inhibitor
becomes
exhausted
the
the
and
Fig. 38
(upper)
Fie.
37
(left)
Fig.
39
(right)