1、A-A-50475B 7994774 OLb2107 47b 9 A-A-50475B Januarv 3. 1994 SUPERSEDING October 23, 1989 A-A-5O475A COMMERCIAL ITEM DESCRIPTION POLISHER, FLOOR, ELECTRIC, DIVIDED WEIGHT (COMMERCIAL TYPE) This Commercial Item Description (CID) is approved by the Commissioner, Federal Supply Service, General Services
2、 Administration, for the use of all Federal agencies. Abstract. used for heavy-duty wet or dry scrubbing, for polishing and buffing wood, tile, or linoleum covered floors, and for rug shampooing. This CID covers commercial type electric floor polishers which are Salient characteristics. 1. DeSCriDti
3、On. The polisher shall mainly consist of a frame, operating handle, wheels, scrubbing and polishing brushes, bumper, and motor. The motor of the polisher shall rest on a frame or a carriage having wheels at the rear and the brush at the front with the weight of the polisher divided between the brush
4、 and wheels. operating on a linoleum floor. stated in table I for the respective size of the polisher. weight is required over the brush in order to meet the pressure requirements, the weight shall be of compact design and free from projections which may interfere with satisfactory operation of the
5、polisher in confined spaces. It shall be attached to a permanent part of the polisher. and no part of the weight shall project beyond the housing. Unless the weight is built into the polisher and is out of sight in normal use, means shall be provided for readily attaching or removing the weight from
6、 the polisher without the use of special tools. Speed shall not exceed 250 revolutions per minute while The minimum weight on the brush shall be as If an additional No part of the polisher I Beneficial comments (recommendations, additions, deletions) and any pertinent I Idata which may be of use in
7、improving this document should be addressed to: I ICommanding Officer (Code 156), Naval Construction Battalion Center, I Il000 23rd Avenue. Port Hueneme. CA 93043-4301. I FSC 7910 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reprod
8、uction or networking permitted without license from IHS-,-,-A-A-504759 = 9999974 0362308 322 A-A-50475B 2. specified in table I. shall be +3 percent. removable weight. weight and one brush. Design and construction. The dimensions for the polisher shall be as All dimensions are given in metric units;
9、 tolerances The weight of the polisher in table I shall include any The weight on the bristles shall include any removable TABLE I. Class C machines. Dolishing and scrubbine. electric. divided weipht. I S Overall Area of Continuous Weight of Weight on Wheel Height1 I i diameter polishing rating of m
10、achine bristles dia. not I I z of brush brush motor incl I I e fiber fiber handle I I (Min) (Min) (Max) I I - mmz watt kg k - mm mm1 mm I I I 1 270 29000 190 25-40 16 60 280 I I 2 320 45100 250 30-50 20 60 360 I I 3 370 58000 375 40-60 25 80 360 I I 4 450 96800 560 52 - 80 30 90 380 I 3. constructed
11、 and reinforced to withstand rigorous heavy-duty service. Frame. The frame enclosing the operating mechanism shall be durably 4. and a metal handle bar with nonmetallic handle grips. Operating handle. The operating handle shall include a metal handle tube 5. Brushes. Each polisher shall be furnished
12、 with one set of brushes for polishing and one set for scrubbing. laminated or solid. The diameter of the brushes shall conform to table I. The machine shall be so constructed that brushes may be replaced without the use of special tools. Brushes shall be sectional and may be 6. reusable metal plate
13、 securely attached to it. made of approximately 60 percent tampico and 40 percent palmyra fiber. tufts shall have a free length of not less than 38 mm when measured at right angles to the surface of the brush block. Polishine brushes. The sectional polishing brushes shall have a suitable Polishing b
14、rush tufts shall be The 7. polishing brushes but may have a heavy metal back and the tufts shall be made of 100 percent palmetto fiber or 100 percent basine fiber. Scrubbinp brushes. Scrubbing brushes shall be the same as specified for 8. vertical direction shall be securely attached around the port
15、ion of the motor housing and the brush housing. which it comes in contact. BumDer. A replaceable rubber or vinyl bumper of not less than 20 mm in The bumper shall not dent or mark objects with 9. Wheels. material which will not mark or scratch the floor. the wheels shall comply with the size specifi
16、ed in table I. The polisher wheels shall have a running surface of resilient Unless otherwise specified, 10. Wheel mounting. shall be in contact with the floor at all times. The wheels shall be mounted on one or more rigid axles and 2 Provided by IHSNot for ResaleNo reproduction or networking permit
17、ted without license from IHS-,-,-A-A-50475B 9999974 01162309 269 A-A-50475B 11. Electrical characteristics. Unless otherwise specified, the polisher shall be designed to operate on 120 volts, alternating current, 60 Hertz, single phase. All wiring, cord, plug, and grounding shall be in accordance wi
18、th UL 561. A 3-conductor cord of not less than 15 meters shall be provided. Polisher shall have a quick break switch for starting and stopping the motor. The switch shall automatically open the motor circuit the moment the operator releases the handle of the machine. assembly shall form a continuous
19、 conductor path from the point of attachment on the motor housing to the wall receptacle when the machine is connected and ready for operation. The grounding conductor in the cable The grounding path shall not incorporate any movable joints, 12. Standards compliance. The polishers shall conform to t
20、he floor-finishing machine requirements of UL 561. The data plate or listing with re-examination of the Underwriters Laboratories may be accepted as evidence that the polishers conform to this requirement. In lieu of the label or listing, the contractor may submit independent proof, satisfactory to
21、the contracting agency, that the polisher conforms to the applicable requirements of the published standard, including methods of tests of UL 561. Quality assurance provisions. 1. Responsibilitv for inspection. Unless otherwise specified in the contract, the contractor is responsible for the perform
22、ance of all inspection requirements as specified herein. Unless disapproved by the Government, except as otherwise specified in the contract, the contractor may use his own or any other facilities suitable for the performance of the inspection requiGements specified herein. O 2. Classification of in
23、spection. The inspection requirements specified herein are classified as first article inspection and quality conformance inspection. 3. First article inspection. The first article inspection shall be performed on one polisher when a first article is specified in the contract or order. inspection sh
24、all include examination and operational tests as specified herein. The 4. ualitv conformance inspection. The quality conformance inspection shall be performed on the sample polisher selected in accordance with the inspection lot and sampling requirements. This inspection shall include examination an
25、d operational tests as specified herein. 5. Inspection lot. All units of the same class, style, and size offered to the Government at one time, shall be considered a lot for purposes of inspection. The sample unit shall be one complete polisher. 6. Examination. Each sample selected in accordance wit
26、h the inspection lot, sampling requirements, and also the first article shall be examined for compliance with the salient characteristics requirements specified herein. This element of inspection shall encompass all visual examinations and dimensional measurements. Noncompliance with any specified r
27、equirements or presence of one or more defects preventing or lessening maximum efficiency shall constitute cause for rejection. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-504758 M 9999974 OLb2110 TBO A-A-50475B 7. Operational test. The pol
28、isher shall be equipped with a polishing brush or brushes specified herein, and operated for 2 hours on a waxed linoleum floor or a steel plate. otherwise specified, only one polisher per contract need be tested for the full 2 hours: all other polishers require an operational test for 15 minutes. Du
29、ring and after the 2-hour or 15-minute operation the polisher shall be observed and examined for the following: The machine shall be operated at full rated voltage. Unless a. Quietness of operation and freedom from vibration. b. Overheating of motor. c. d. Replacement of brush without the use of spe
30、cial tools. e. Provision for feeding water to the scrubbing brush, f. Uniformity, continuity, size of polishing area and proximity of brush g. Lubrication and leakage of lubricant. contact up to a vertical surface. Resistance in ohms from the motor frame to ground connection on the plug end of the 1
31、5 meter cord is less than 1 ohm. Contractor certification. substantiating evidence that the product offered meets the salient characteristics of this CID and that the product conforms to the producers own drawings, specifications, standards, and quality assurance practices. The Government reserves t
32、he right to require proof of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract. The contractor shall certify and maintain Inch-Dound products. Products manufactured to inch-pound dimensions will be considered on an equal bas
33、is with those manufactured using metric units, provided they fall within +3 percent of the conversion tables contained in the latest revision of ASTM E 380 and all other requirements of this CID are met. RePulatorv requirements. materials in accordance with Public Law 94-580 to the maximum extent pr
34、acticable. The offeror/contractor is encouraged to use recovered Preservation. packing - and marking. Unless otherwise specified in the contract or order, the preservation, packing and marking shall be in accordance with the requirements in ASTM D 3951. Notes. Acquisition activity should specify the
35、 following: 1. The wheel size required, if other than specified. 2. When a first article test is required. 3. The electrical characteristics required, if other than as specified. 4. When the contractor is not responsible for inspection, 5. When preservation, packing and marking is other than as spec
36、ified. UL Standards are available from the Underwriters Laboratories, Inc., 333 Pfingsten Road, Northbrook, IL 60062. ASTM Standards are available from ASTM, 1916 Race Street, Philadelphia, PA 19103. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
37、MILITARY INTERESTS: O Custodians Navy - YD1 Air Force - 99 Review Activities Navy - MC Air Force - 84 A-A-50LI75B 9999974 OLb21LL 917 H A-A-50475B CIVIL AGENCY COORDINATING ACTIVITIES: GSA - FSS PREPARING ACTIVITY: Navy - YD1 (Project 7910 - 0086) 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
