1、flIL-T-Zl187bC 39 W 9999906 0468770 T W MIL-T-21876C 2 February 1991 SUPERSEDING MIL-T-21876B 8 March 1985 MILITARY SPECIFICATION TRUCK, LIFT, FORK, ELECTRIC, SIDELDADER FOUR-DIRECTIONAL, SHIPBOARD, MISSILE-CARRYING, 4000 FOUND CAPACITY This specification is approved for use by all Departments and A
2、gencies of th2 Department of Defense. 1. SCOPE 1.1 Scope. Ihis specification covers the requirements for a 40OO-pnd special purpose, electric, type EE, heavy duty missile carrier for shipboard use 2. APPLICABLE JXCUMENTS 2.1 Government Documents 2.1.1 Specifications, standards -and hmdbooks. The EoZ
3、lowing specif icatrions , standards ,nd handbooks form c? part of this specification to the extend specified.herein. Unless otherwise specified, the issues of these documents shall be f distribution is unlimited. 1 Licensed by Information Handling ServicesMIL-T-2187bC 37 7777906 0468773 3 m MIL-T-21
4、876C SPECIFICATIONS FEDERAL W-B-13 3 QQ-C-320 QQ-P-416 G-P-455 TT-E-489 W-B-680 W-L-751 W-F-800 MILITARY MIL-P-116 MIL-V-173 MIL-P-514 MIL-T-704 - Battery, Storage (Lead-Acid Industrial., Portable Service) - Chramium Plating (Electrodeposited). - Plating, Cadmium (Electrodeposited) - Plates and Foil
5、s, Photographic (Photosensitive Anodized Aluminum) - Enamel, Alkyd, Gloss (For Exterior and Interior Surfaces). - Brake Fluid, Autmotiv? - Lubricating Oil, Chain, Wire Rope, and Exposed Gear - Fuel Oil, Diesel - Preservation, Methods of. - Varnish Moisture and Fungus Resistent (For Treatment of Comm
6、unications, Electronic and Associated Equipnent) - Pl.atcs, Identification, Instruction, and Marking, Blank -. Treatment and Painting of Material. MIL-L-2104 - Lubricating Oil, Internal Combustion Engine, Tactical Service. MIL-F-3541 - Fjttings, Lubrication. MIL-G-3859 - Grcase Guns, Hand, High Pres
7、sure, Lever Operated; Cartridge and Bulk Loading MIL-S-901 - Shock Tests, H. I. (High Impact) ; Shipboard. MIL-L-2105 - Lubricating Oil, Gear, Multi-Purpose. MIL“ 3971 - Meter, Time Totalizing, Non-Hermetically Sealed, Electric, General Specification For. MIL-G-10924 - Grease, Automotive and Artille
8、ry. MIL-P-15011 - Pallet, Material Handling, Wood, Post Construction, 4 Way En try. 1r.,-21260 - Lubricating Oil, Internal Combustion Engine, c reservation and Break-In. MIL-D-23003 - Deck Covering Compound, Nonslip, Lightweight. 2 Licensed by Information Handling ServicesMIL-T-2187bC 39 m 9999906 0
9、468792 3 m MIL-T-21876C DOD-P-23236 - Paint Coating System, Steel Ship Tank, Fuel and Saltwater Ballss t DOM-24529 - Chargers, Battery, Lift Truck and Pallet Transporter Battery Service (Metric) . MIL-A-46153 - Antifreeze, Ethylene Glycol, Inhibited, Heavy Duty, Single Package. MIL-L-46167 - Lubrica
10、ting Oil, Internal Combustion Engine, Arctic. STANDARDS FEDERAL FED-STD-595. - Col.ors FED-STD-H-28 - Screw, Thread Standards for Federal Services. MILITARY MIGSTD-105 - Sampling Procedures and Tables For Inspection By Attributes MIL-Sm-129 - Marking For Shipment And Storage MIL-STD-130 - Identifica
11、tion Marking Of U. S. Military Property MIL-STD-162 - Materials Handling Equipnent, Self-Propelld: Prepacation for Delivery and Storage MIL-Sm-209 - Slinging Eyes and Attachments for Lifting ancl Tying Down Military Equipnent MIL-STD-461 - Electrcmagnetic Interference Characteristics Requirements .
12、for Equipnent MIL-STD-810 - Environmental Test Methods MIL-Sm-889 - Dissimilar Metals MIL-STD-1375- Provisioning, Initial Support, General Requirements for. MIL-STD-1472- Humm Engineering Design Criteria HANBOOKS MILITARY MIGHDJ3K-267(SH)- Guide for Selection of Lubricants and Hydraulic Fluids for U
13、se in Shipboard Equipncnt (Unless othcrwise indicated, copies of Federal and Mi standards andhandbooks are available from the Naval Center, (Attn: Standardization Documents Order Desk.). Philadelphia, PA 19120-5094) 1 itary specifications Publications and Forms , 700 Robbins Avenue, 3 Licensed by In
14、formation Handling ServicesMIL-T-2187bC 39 W 99999Ob 04b8793 5 m . MIL-T-21876C 2.1.2 Other Government documents, drawings and publications. The following other Goverment documents, drqwings and publication form a part of this document to the extent specified herein. Unless otherwise specified, the
15、issues are those cited in the solicitation. DEPARIMENT OF LABOR 29 CFR, Chapter XVII, Part 1910 - Occupational Safety and Health Standards (OSW (Applications for copies should be addressed to the Superintendent of Documents, U. S. Government Printing Office, Washington, D. C. 20402). 2.2 Non-Governm
16、ent Publications. The following documents form FI part of this document to the extenet specified herein. Unless otherwise specified, the issues of the documemts which are DOD adopted shall be those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of
17、 the documents not listed in the DODISS are ths issue of the documents cited in the sol.icitation (see 6.2). AMERCIAN SOCIETY OF MECHANICAL ENGINEERS (ASME) B 56.1 Safety Standards for Powered Industral Trucks (Application for copies should be addressed to: The American Society of Mechanical Enginee
18、rs, 345 East 47th Street, New York, NY 10017)10017). AMERICAN SOCIETY FOR TESTING AND MATERIAIS (ASTM) B 633 -Electrodeposited Coatings for Zinc on Iron and Steel B 56.11.3 -Load Handling Symbols for Powered Industrial Trucks D 3951 -Packaging, Commercial (Application for copies should be ddrcssed t
19、o the American Society for Testing and Materials, 141.6 Race Street, Philadelphia, Pennsylvania 19103). SOCIETY OF AUT!OTIVE ENGINEERS (SAE) SAE J475 - Screw Threads SAE J517 - Hydraulic Hose (Application of copies should be addi-essd to the American Society for Automotive Ewineers, 400 Commonwealth
20、 Drive, Warrendde, Pennsylvania 15096) THE TIRE AND RIM ASSOCIATION, (T 207 East Ohio Street, Chicago, Illinois 60611; or 1655 Scott Boulevard, Santa Clara, Cal ifornia 95050) (Nongovernment standards and other publications arenomally wailable from the organizations which prepare or distrubute the d
21、ocuments. These documents also may be available in or through libraries or other informationa al services.) 2.3 Order of Precedence. In the eventof 2 conflict between the text of this document and t?e references cited herein, (except for related associated detail specifications, spocif ication sheet
22、s, or MS- standards) I the text of this documenmt takes precedence, Nothicy in -this document, howmxx, supersedes applicable laws and regul-ations unlessa specific exemption has bem obtained. 5 Licensed by Information Handling ServicesMIL-T-2187bC 39 m 999990b 0468795 9 m MIlX“21876C 3. REQUIREMENTS
23、 3.1 First article. Phen specified (see 6.2), a first produced truck shall be subjected to a first article inspection in accordance with 4.3. 3.2 Mater i.als . 3.2.1 Platinp. All threaded fasteners, washers or cotter pins, required to. fabricate the truck, except those in contact with oil in reservo
24、irs, and those inside corrosion resistant ccanponents shall be zinc or cadmium plated or made of corrosion resisting material. Exposed surfaces of hydraulic piston rods shall have a hard chromim finish over an undercoat of nickle in accordance with QQ-C-320. Exposed surfaces of shafts, rods, axles,
25、and keys na. lift; tilt; sideshift; steer. 3.6.1 Electric equipnent. Electric components shall be of corrosion-resistant materials or design. Means shall be providedto prevent wheels rolliry on a wet deck from spraying or contaminating electrical zoxponents. The electrical circuitry, including all c
26、omponents and cofmections 2xcept as specified below, shall be protected from the effects of fungus growth and nositure Sy an olrerall treatment with a varnish conforming to MIGV-173 Composition 1 or II 9s applicable with 1 percent copper 8-quinolinolate (by weight) basd on th? nonvolatile content of
27、 the varnish: (a) Components or circuit elements that arc inherently funyw and moisture resistant or which are hermetica1l.y sealed wed not bz treat it shall be connected to and operate from the system for raising and lowering the forks. The entire instrument and connections shall be shock and corro
28、sion resistant, and the transparent cover shall be resistant to damage by shock or heat. If a dial indicator is furnished, the next eight sentences particularly pply. The dial shall be not less than 6 inches (152 MM) in diameter and shall be marked in 50-pound (20 KG) increments on gages of 10,000-p
29、ound (4535 KG) or lesser capacity and in 100-pound (45 KG) increments on gages greater than 10,000-pound (4535 KG) capacity. The dial shall be capable of being rotated 36 degrees by means of external tare adjusting knob. e a Licensed by Information Handling ServicesMIL-T-2387bC 39 9999906 0468830 3
30、MIL-T-21876C 21 Licensed by Information Handling ServicesMIL-T-2L87bC 39 m 99999Ob 04b88LL 3 m .M-IGT-2187! The vehicle shall. be operated on 6 slope with a steel surface coated with slipresistant deck coating conforming to MIL-D-23003. The vehicle, with a uniformly distributed 4000-pound (1820 MM)
31、load on a 112-inch (2844 MM) iong by 40-inch (1016 MM) wide skid cEntered laterally and square with the forks, shall be capzble of operating in 90-degree intersecting aisle 92 inches (2336 MM) wide without reversal of direction. %e above capability shall be tested with the forks fully retracted and
32、with the load in carrying position. Vehicle shall be capable of placing and removing this loaded skid, centered laterally and square on the forks, in a stacking space 120 inches (3048 MM) wide, both on the floor .md at a height within 6 inches (152 MM) of specified maximum fork height, from a 92-inc
33、h (2336 MM) aisle. Vehicle shall be capable of transporting, placing, and removing long loads as shown in Figure 1 in confined spaces as shown in Figures 2 and 3. Vehicle shall be capable of performing specified maneuvering functions when tested in accordance with 4.3.2.4. 3.8.6 Steering effort. The
34、 steer wheels shall be capable of being turned from extreme riqht to extreme left and vice versa in not more than 7 turns of the hand steering wheel with a maximum force of 10 pounds (45 N) on the steering wheel when the loaded vehicle is stationary on a horizontal steel platform coated with a slipr
35、esistant deck coating. 3.8.7 Speed. !the vehicle on a level surface shall be capable of forward, reverse, and sideward speeds of 3.0.miles per hour (4.8 kilmeters per hour) minimum with maximum rated load and 4.0 miles per hour (6.4 kilometers per hour) maximum without load. 3.8.8 Slope ascension. W
36、ith forks in a stowed position and with maximum rated load in carrying position and without load, the vehicle shall be capable of ascending and descending a 15-degree slope in any direction in the forward, reverse, and sideward directions of travel. The slope surface shall be steel, coated-wi.th a s
37、lipresista.nt deck coating conforming to MIL-D-23003, type II. The vehicle shall be able to accelerate from a stop on the slope and proceed in the same direction initially started. 3.8.9. Acceleration. From stop, the vehicle carrying maximum rated load shall have an average acceleration rate in forw
38、ard, reverse, and sideward directions such as to travel 22 feet (6.7 meters) in 10 seconds maximum. This capability shall be demonstrated on a level surface. Compl.iance with this requirement shall be measured in accordance with paragraph 4.3.2.21. 3.8.10 Upright tilt. Ihe lift mechanism shall provi
39、de forward tilt of 3 degrees plus or minus 1/2 degree with no load on the forks at.all positions of tilt, extended and retracted. A positive rearward tilt of 10 degrees plus or minus 1/2 degree shall be provided, with maximum rated load on the forks, with forks extended and retracted. All of the abo
40、ve measurements are relative to the top surface of the forks with the vehicle on a horizontal surface. Forward and rearward tilt shall be controllable between limits at all fork heights and to all extensions, 3.8.11 Overall height. With forks lowered, the collapsed mast height or the overall height
41、of any vehicle component shall not exceed 78 inches (1981 MM) measured from the deck. 22 Licensed by Information Handling ServicesMIL-T-2187bC 39 99999Ob 04b88L2 5 MILI“21876C 3.8.12 Underclearance. The vehicle carrying maximum rated load shall have sufficient underclexance to permit operation from
42、horizontal plane, up and down a 10-percent slope and over the test course described in paragraph 4.3.2.6 Intersections of slopes and horizontal planes shall be lines (no fillets or rounding) . No portion of the vehicle, other than the wheels and grounding strap(s), shall contact the ground or any ob
43、stacle while negotiating the slopes and test course. 3.8.13 Braking. The service, desCiman, and parking brakes shall be capable of developing a retarding force equal to at least 36 percent of the gross weight of the vehicle with and without maximum rated 104 while the vehicle is being towed in both
44、forward and reverse directions perpendicular to the direction of mast travel over a level steel platform coated with slipresistant deck coating conforming to MIL-D-23003, type II. The service brakes shall develop the required braking forces with 50 to 150 pounds (23 to 70 KG) pedal force, and servic
45、e brake system shall be capable of withstanding an applied force on-the brake pedal of 250 pounds (113 KG) without failure of my component, In all retarding force tests, the force shall be applied in a horizontal. plane at a height equal to the height of the center of gravity of the unloaded vehi.cl
46、e or of the vehicle carrying max.imum rated load as applicable. When test4 in accordance with paragraph 4.3.2.22, the stopping diS.tancc shall comply with the applicable requirement of ANSI B56.1. The service, deadman and parking brake shall be capable of retaining truck with rated load on the 15 de
47、gree slope specified in both forward -and reverse directions. 3.8.14 Endurance cycles. The vehicle shall be capable of undergoing complete endurance tests specified in paragraph 4.3.2.6 and lift tests specified in 4.3.2.7 without failure or permanent deformation of any part or component, After compl
48、etion of the endurance tests, the lift assembly shall hold maximum rated load for 5 minutes with 1-inch (25 MM) maximum total drift. Packing nut (if used) adjushent shall not be permitted during this test. 3.8.15 Stability. The vehicle shall remain stable when positioned tilt platform coated with sl
49、ipresistant deck coatiq conformirg to MIL-D-23003, type II, and subjected to the inclines and load condit 3.8.15.1 and 3.8.15.2. on a steel ions of 3.8.15.1 Stacking. All wheels or jacks shall remain in contact with the tilt platform when the platform is inclined to 15 degrees in any direction with maximum rated load 48 inches (1219 MM) above the tilt platform and the forks at maximum sideshift in each direction at maximum extendor counterweights ) except forks shall be identified in accordance with MIL-STD- 130 on identification plates conforming to MIL-P-514, type I,
