1、MIL-M-7773 17 W 9797706 O207772 3-05-02 MIL-M-8 7 9 7 3 E: Feb 85 MILITARY SPECIFICATION MAINTENANCE PLATFORM SELF-PROPELLED, BOOM, LIFT, 40, 60 AND 80 FOOT This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. mercial, self-propel
2、led, multi-position, aerial work platform which will be called the unit. This specification covers three sizes of one kind of com- 1.2 Sizes. Units shall be either size 40, size 60 or size 80, as speci- fied in the invitation for bids, request for proposals and contracts. 2. APPLICABLE DOCUMENTS 2.1
3、 Government documents. 2.1.1 Specifications and standards. Unless otherwise specified (see 6.2), the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DODISC) specified in the solicitation, form a part of this
4、 specification to the extent specified herein. SP EC IF IC AT IONS FEDERAL UU-T-81 PPP-B-601 MILITARY MIL-C-104 MIL-P-116 MIL-E-10062 MIL-L-46010 Tag, Shipping and Stock Boxes , Wood , Cleated Plywood Crates; Wood, Lumber and Plywood Sheathed, Nailed and Bolted Preservation , Methods of Engine, Prep
5、aration for Shipment and Storage of Lubricant, Solid Film, Heat Cured, Corrosion Inhibiting _._ Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of USL in improving this document should be addressed to: the Engineering Division, San Antonio Air Logistic
6、s Center, Kelly AFB Texas 78241 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. _ - .- - - . . -_ FSC 1730 I i -. - /- THIS DOCUMENT CONTAINS f PAGES Provided by IHSNot for ResaleNo reproduction or networkin
7、g permitted without license from IHS-,-,-MIL-0-87973 27 m 977990b 0j7773-T STANDARDS MILITARY MIL-STD-129 Marking for Shipment and Storage MIL-STD-162 Materials Handling Equipment, Preparation for Shipment, Storage, CyclicXaintenance, Routine Testing and Process MIL-STD-831 Test Reports, Preparation
8、 of MIL-STD-1186 Cushioning, Anchoring, Bracing, Blocking, and Waterproofing; with Appropriate Test Methods 2.1.2 Other Government documents, drawings, and publications. The fol- lowing other Government documents , drawings, and publications form a part of this specification to the extent specified
9、herein. DRAWINGS Air Force 8140775 Requirements for the Design and Material to be used in the Design of Support Equipment (SE) (Copies of specifications and standards required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as di
10、rected by the contracting officer.) 2.1.3 Other publications. The following document(s) form a part of this specification to the extent specified herein. which are indicated as DoD adopted shall be the issue listed in the currenf DoDISS and the supplement thereto, if applicable. The issues of the do
11、cuments AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM D 3951 Standard Practice for Commercial Packaging. (Application for copies of ASTM publications should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pennsylvania 19103,) AMERICAN NATIONAL
12、 STANDARDS INSTITUTE, INC (ANSI) ANSI A92.5 Boom - Supported Elevating Work Platforms (Application for copies should be addressed to American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018). STEEL STRUCTURES PAINTING COUNCIL BULLETIN SSPC-SP6-60 NO. 10 (Application for copies
13、should be addressed to Steel Structures Painting Council, 4400 Fifth Ave, Pittsburgh, PA 15213). 2.1.4 3rder of precedence, In the event of a conflict between the text of this specification and the references cited herein, the text of this speci- fication shall take precedence. 2 Provided by IHSNot
14、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-7773 17 7777706 0207774 1 MIL-M-87973 3. REQUIREMENTS 3.1 First article. This specification provides for first article inspection and approval (see 4.3 and 6.3). 3.2 Commercial Product. The unit shall be on the date
15、 of either the invitation for bids or request for proposals a standard commercial product of. its manufacturer except for the engine spark arresting muffler (see 3.6.1), corrosion control finish (see 3.11) and operation instruction plate (see 3o 13). The unit shall be of the manufacturers latest pro
16、duction model. 3.3 Description. The unit shall be self-propelled, with forward and reverse speeds, gasoline engine driven, two axle, pneumatic tired, four wheel, two wheels driving, either two or four wheels steering. The unit shall be fitted with a powered turntable with telescopic boom terminating
17、 in a basket type work platform. The unit shall conform to the requirements of ANSI A92.5. 3.4 Dimensions. 3.4.1 Platform Heights. With boom fully elevated and extended, size 40, 60 and 80 units shall have platform height of not less than 40, 60 and 80 feet respectively measured from the ground plan
18、e to the work platform standing surface. With boom fully depressed and retracted, units shall have a platform height of not more than 44 inches measured from the ground plane to the work platform standing surf ace. 3.4.2 Other Platform Dimensions. The work platform shall have minimum dimensions of 3
19、 feet by 5 feet. 3.5 Performance. The unit shall have a top speed forward on flat, level The unit shall be able to paved roadway of not less than 2.5 miles per hour. accomplish a flat, 15 percent grade, paved, roadway at not less than 1.5 miles per hour. continuously in both directions. With the tur
20、ntable fixed, the work platform shall rotate not less than 80 degrees in both directions. The work platform shall be self-leveling with manual adjustment. The boom shall be infinitely extensible. The unit shall be designed and constructed for use down to minus 40 degrees Fahrenheit. The work platfor
21、m boom turntable shall swing full circle 3.6 Details. 3.6.1 Engine. The manufacturers standard commercial, gasoline-fueled, four stroke cycle engine shall be furnished. The engine shall be complete with a 12-volt starting, lighting and charging system. An air cleaner shall be provided. The power and
22、 speed rating of the engine shall be such that the operation of the unit under any of the requirements or conditions specified herein shall not exceed 90 percent of the engine manufacturers published maximum horsepower. A fuel gage shall be provided. A spark arresting muffler shall be provided. If t
23、he muffler outlet is upward directed, then a stainless steel rab cap shall be installed. The manufacturers standard commercial storage battery shall be furnished. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-fl-7773 17 m 777770b 0207775 3 m
24、MIL-M-87973 3.6.2 Controls. All controls shall be dependable and shall not be erratic. 3.6.2.1 Platform. The work platform as a mlnimum shall be furnished with the following primary controls: Deadman, lift, steer, drive, forward/reverse, telescope, swing, platform leveling, drivelengine speed, ignit
25、ionlstart, hydraulic filter condition indicator, auxiliary power switch horn, light switches and control panel lights. 3.6.2.2 Ground. The ground control station shall as a minimum be furnished with the following secondary controls: Lift, swing telescope, auxiliary power, ignition/start, platformlgr
26、oundloff control selector switch. 3.6.2.3 Other Controls. Other controls as needed shall be provided. 3.6.3 Work Platform. The work platform shall be provided with a 120 volt, 20 amp duplex outlet for powering of electric hand tools; the power sources for the outlet will be external to the unit. cle
27、ar - no support structure shall project through the platform deck. The work platform deck shall be 3.6.4. Brakes. Service brakes shall be automatically applied when the unit is not in the drive mode. shall hold on a 15 percent flat, smooth incline. Brake release shall be hydraulic powered. Brakes 3.
28、6.5 Standard Equipment. All standard equipment (for example: safety belts, hour meter) supplied to cormercial customers shall be supplied with the unit. 3.6.6 Steering. Steering shall be hydraulic powered. 3.6.7 Holding Valves. Holding valves shall be provided in the hydraulic system to maintain wor
29、k platform position in the event of loss of unit hydraulic pressure. 3.6.8 Lights. The unit shall be provided with the following lights: rotating amber beacon, head, red rear, back-up work platform adjustable flood, control panel (platform and ground) illumination. 3.7 General. The unit shall be sui
30、table for its intended use. Structural elements shall be rigid and possess the requisite strength. Individual com- ponents shall be durable and reliable. Peculiar tools required to perform maintenance and repair shall be furnished with each unit. The unit shall be free of defects affecting strength,
31、 durability and reliability. 3.8 Completeness. The unit shall be furnished complete and serviced except for fuel; ready to perform its intended function when fueled. 3.9 Accessibility. Engine and hydraulic system components shall be readily accessible for servicing and repair. 3.10 Safety. Safety sh
32、all be a primary design, construction and opera- tional consideration. 3.10.1 Bursting Safety Factors. All hydraulic components whose failure could result in free and unrestricted motion of the boom shall have a minimum bursting strength of at least four times the operating pressure for which the Pr
33、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-7773 17 7777706 0207776 5 MIL-M-87973 system is designed. All hydraulic components normally rated according to bursting strength (such as hose, tubing and fittings) shall have minimum burst- ing str
34、ength of at least three times the operating pressure for which the system is designed. All hydraulic components normally rated according to performance criteria, such as rated flow and pressure, life cycles, pressure drop, rpm torque and speed, shall have a minimum bursting strength of at least two
35、times the operating pressure for which the system is designed. ponents generalzy include pumps, motors, directional controls, and similar functional components. Such com- a 3.11 Corrosion Control. 3.11.1 Component and Procedures. The provisions of Air Force Drawing 8140775, Section III, paragraphs A
36、 (Exhaust Systems, C (Hinges) , D (Latches), E (Rustproofing) , G (Closed Hollow Members) , H (Fuel Tanks) , I (Spot/Tack Welded Assemblies , Bolted/Riveted Assemblies) , J (Drainage) and L (Non-Standard Hardware) shall be satisfied in the respective components and procedures. 3.11.2 Finish. Abrasiv
37、e blast ferrous materials to minimum of a near white finish per the Steel Structures Painting Council SSPC-SP6-60 No. 10 to remove all mill scale, ruts, oil, oxides, and soils. Remove all blasting residue. Apply zinc phosphate treatment, DuPont 2248 or equivalent, per manufacturers instructions. Alu
38、minum components will not be blasted. Prior to painting, they shall be thoroughly cleaned and given an appropriate deoxidizing and con- version coating treatment. Apply two coats of DuPont Color epoxy primer; primer number 825-S, activator number 825-S per manufacturers instructions. Each coat shall
39、 be .8 to 1.0 mils dry film thickness for a total dry film thickness of 1.6 to 2.0 mils. Time between coats will be per primer manu- facturer s recommendations for film thickness and environmental conditions (approx 1 to 4 hours). hours , depending upon primer manufacturers recommendations for film
40、thickness and environmental conditions. Apply two coats of DuPont Imron, polyurethane topcoat, manufacturers color 6561U, each coat being .8 to 1.0 mils dry film thickness. Total topcoat dry film thickness 1.6 to 2.0 mils. Time between coats shall be at least 15 minutes but not more than 2 hours. Pa
41、int manu- facturers recommendations for low or high temperature and humidity appli- cation techniques shall be followed if applicable. Areas to be cleaned and painted with the Imron system will include all areas normally painted with standard finishes to include the interior and underside of the cab
42、inet enclosure and chassis. Particular attention shall be given to weld and seam areas. If previously painted, the engine, hydraulic components, etc within the cabinet enclosure do not require either blast cleaning or the Imron paint system. Surfaces not painted during normal productions due to slid
43、ing wear will be coated with dry film lubricant MIL-L-46010. Condition surface with DuPont 5717s per manufacturers instructions. Minimum time before top coating will be from 2 to 6 3.12 Identical Products. All units of the same size furnished under any one contract shall be identical and shall be id
44、entified by the same manu- facturers part number. 3.13 Operation Instruction Plate. The manufacturer shall attach a plate or plates in a readily accessible and clearly visible area stating: make, model and manufacturers serial number, rated capacity, platform height, maximum hydraulic operating pres
45、sures, caution or restrictions in operations and operating instructions. The plates as a minimum shall prominently display “DO NOT USE ON OR NEAR HIGH VOLTAGE LINES.“ 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-7773 17 7797706 0207777 7 M
46、IL-M-879 7 3 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or purchas
47、e order, the contractor may use his own or any other facilities suitable for the performance of the inspection require- ments specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the speci- fication where such inspec
48、tions are deemed necessary to assure supplies and services conform to prescribed requirements. 4.2 Classification. The inspection and testing of the unit shall be classified as follows : a. First Article (see 4.3) b. Acceptqnce (see 4.4) 4.3 First Article. 4.3.1 First Article incgectipn. One unit of
49、 each size being procured shall be subjected to the examination and tests specified in 4.5, Test Method, The sample shall be identical in all respects to the units to be delivered. Upon completion of the first article 4.3.2 First Article Titcliin;irlted. M;itcIiiiiarkiiig shall bc printed on shippinx tay,s (ionTorinlri!, Lo 1JiJ-1-81, Iypcx A. Ilicl priiiLcd tags stial I be wntcrproorcd in :icrordaner, and date of this specification. i).
