A.R.I. D040LP EN - Manual

MAINTENANCE INSTRUCTIONS
5
4
3 2 1
6
7
COMBINATION AIR VALVE
BARAK, MODEL D-040 2”
GENERAL INSTRUCTIONS
- Routine service is an integral part of the standard procedure for maintenance of a
water supply system.
- Recommended routine maintenance– once or twice a year, according to the
quality and type of the fluids in the system.
PROCEDURE
1. Close the service valve under the valve base before servicing.
2. Turn the valve body (1) counterclockwise, release and remove.
3. Remove the clamping stem (4) from inside the valve body (1) and carefully
pull out the float (5) with the attached rolling seal (3).
4. Check the soundness of the rolling seal (3) by washing it with water and
examining it. Note: Replace the rolling seal (3) in case it is torn.
5. Wash the body (1) and the float (5) with clean water and examine for damage.
Note: Replace the float (5) if it is damaged.
6. Clean the drainage elbow (2) to remove insects and debris.
7. Return the float (5) with the attached rolling seal (3) to its original position in
the valve body (1) and lock them into place with the clamping stem (4).
8. Return the valve body (1) to the base (7) and close by turning it clockwise.
Note: First make sure the O-ring (6) is seated properly in the base of the valve (7).
9. Remember to open the service valve after the servicing.
PARTS SPECIFICATION
NO. DESCRIPTION MATERIAL
1. Body Reinforced Nylon
2. Drainage Elbow Polypropylene
3. Rolling Seal Assembly
4. Clamping Stem Reinforced Nylon
5. Float Foamed Polypropylene
6. O-Ring BUNA-N
7. Base Reinforced Nylon / Brass