4
II - REPAIRS PLASTIC TUBING.
OBSERVATIONS
:
a) This
operation
can be sarried
out by sleeving
the damaged
tube
b) If two sleeves
are to be located
on one length
of tube the interval
between
them must be about
30 in
in order
to retain
the flexibility
of the tubing.
c) Obtain
a bottle
of Rilsan
adhesive
( 125 cc ) sold by the BOYRIVEN
firm
, 37 bis rue de Villiers
_
92200
u NEUILLY
sur SEINE
- Tel.
624-36-11
( Rilsan
adhesive
harms
the skin
: avoid
touching
it with
the fingers,
use a wooden
spatula
instead
1. Cut the tubing
and roughen
the ends over a lenqth
of some 3.5 in. with
abrasive
paper
N" 600
2. Carefully
deqrease
the roughened
ends and the sleeve
with
trichlorethylene
3. Heat the Rilsan
adhesive
in a water-bath
to raise
its temperature
to 60°C.
Do
root
c~sc-c~c~d
/his
Icv~p~~rntriw.
NOTE
: This
operation
is essential
to cut down drying
time
4, Coat the ends of the tube and the inside
of the sleeve
with
adhesive.
Leave
the parts
to dry for a few minutes.
Insert
the ends of the tube into the sleeve.
).
Allow
the assembly
to dry for three
to four hours before
using
the repaired
tube aqain.