A.R.I. D014d016 EN - Manual

Installation and Maintenance of
A.R.I.’s D-014, D-016 Combination Air Valves
A. Installation
A.1 The air valve will be mounted on a riser,
connected to the top of the pipe.
A.2 An isolating valve will be installed below the
air valve.
B. Basic, Periodic, Maintenance
B.1 Shut the isolating valve below the air
valve.
B.2
Unscrew the cover’s bolts of the
automatic air valve (10) slowly,to
release accumulated pressure .
B.3 Remove the plastic cover of the
automatic a.r.v. (1) with screwdriver ,
clean the orifice (4) with flowing water
and with thin copper wire
.
Wash the inside of the body(12), the
float(11), and the Rolling Seal (6),
with clean water
.
B.4 Check to make sure the Rolling Seal is
unharmed (not torn or cracked) .
B.5 Reinstall in reverse order and fasten
and tighten all bolts. Make sure to re-
assemble all the components correctly.
B.6 Unscrew the bolts (20) that connect the
main valve cover (14) to its body (18).
B.7 Wash the body and the cover in clean
water in order to remove coarse grime
or accumulated scale.
B.8 Reinstall in reverse order and fasten
and tighten all bolts. Make sure to re-
assemble the upper air valve correctly:
B.9 Open the isolating valve beneath the
air valve.
A.R.I
FLOW CONTROL ACCESSORIES
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