Fig.
1A
-
13
Fig.
1A-14
Fig.
1A-1
5
•
Fig.
1A-16
IA
5.
Connect
the vacuum sensing
@
to the No. 1 relief
valve
of
the air control valve.
Check
to see
that
air
is
not
discharged from the
air control
valve
outlet
po
rt
© .
6.
Disconnect the vacuum sensi
ng
tube
@
(No. 2
relief
valve
-
vacuum pipe) at the vacuum pipe.
7. Disconnect the
vac
uum tube (No. 1 relief valve
-
inlet manifold) at the air control
valve
and
connect the suitable
"
T"
joint.
8.
Connect
the suitable tube between the No. 1
relief
valve
and suitable
"T"
joint.
9.
Connect
the disconnected tube in Step 6 to the
suitable
"T"
joint so that the inlet manifold can
be led directly to the No. 2 relief valve.
Air
should
be discharged from
the
outlet port @
of
the
air
con
trol valve.
10.
Disconnect the vacuum sensing tube
@
from the
No. 2 relief
valve
and plug the tube.
Check
to
see
that
air
is
not
discharged from the
air
control
valve
outlet
port
@
.
1A:4