A.R.I. D015 EN - Manual

Installation and Maintenance of
A.R.I.’s D-015
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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