A-A-52191
3.5 End item examination. The contractor is responsible for assuring that the product offered conforms to the stated requirements. Three completely assembled dispensers shall be randomly selected from the quantity to be shipped under the current contract or purchase order and inspected for the defects listed below. The finding of any defect shall be cause for rejection of the lot.
Any component missing
Not constructed as specified
Post-mix dispensing valves not as specified
Any hardware or fittings missing
Physical damage – dents, or malformed components
3.6 End item testing. Carbonated beverage dispensers shall be tested as specified in 3 .6.1 and 3.6.2.
3.6.1 Refrigerant leakage test. Each beverage dispenser shall be subjected to the refrigerant leakage test. With the refrigeration system fully charged and at rest (not in the operating cycle, refrigerant pressure equalized throughout the system), the complete refrigeration system shall be scanned with an electronic leak detector (s) calibrated and certified to detect leakage of refrigerant-12 or other fully halogenated chlorofluorocarbon refrigerant at a rate of one half ounce (0.500 oz.) per year or less. Indications of the presence of leaking refrigerant shall constitute failure of the leakage test. This test may be administered as a part of statistical process controls associated with the manufacturing processes for the assembly of the beverage dispenser, and shall be in addition to any other leak testing of the system completed prior to final charging with refrigerant.
3.6.2 Operational test. When specified (see 5.2), and during end item examination, one system shall be tested for performance as specified in ASHRAE Standard No. 91.
4. PACKAGING
4.1 Packing. Packing shall be commercial or export as specified (see 5.2).
4.2 Commercial packing. Each dispenser shall be packed in accordance with ASTM D 3951.
4.3 Export packing. Each dispenser shall be packed in a snug-fitting, wood-cleated plywood box conforming to domestic type, type 2 load PPP-B-601. Components of each dispenser shall be blocked, braced and cushioned to prevent movement and damage while in transit. Closure and strapping shall be in accordance with PPP-B-601.
4.4 Marking (commercial and export). Shipping containers shall be marked in accordance with MIL-STD-129 or ASTM D 3951, as applicable.
5. NOTES
5.1 Intended use. The dispensers are intended for use in feeding areas to dispense carbonated drinks. Dispensing towers are used in the serving line while the refrigeration system is remotely located.
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