NAVY A-A-59498-1999 TRUCK FORKLIFT DIESEL ENGINE DRIVEN DS SAFETY RATED FOR SHIPBOARD USE [Superseded NAVY MIL-T-21868 C NAVY MIL-T-21868 B NAVY MIL-T-21868 A NAVY MIL-T-21868 INT [代.pdf

《NAVY A-A-59498-1999 TRUCK FORKLIFT DIESEL ENGINE DRIVEN DS SAFETY RATED FOR SHIPBOARD USE [Superseded NAVY MIL-T-21868 C NAVY MIL-T-21868 B NAVY MIL-T-21868 A NAVY MIL-T-21868 INT [代.pdf》由会员分享，可在线阅读，更多相关《NAVY A-A-59498-1999 TRUCK FORKLIFT DIESEL ENGINE DRIVEN DS SAFETY RATED FOR SHIPBOARD USE [Superseded NAVY MIL-T-21868 C NAVY MIL-T-21868 B NAVY MIL-T-21868 A NAVY MIL-T-21868 INT [代.pdf（15页珍藏版）》请在麦多课文档分享上搜索。

1、INCH-POUND A-A-59498 13 OCTOBER 1999 SUPERSEDING 5 DECEMBER 1989 MIL-T-21868C COMMERCIAL ITEM DESCRIPTION TRUCK, FORKLIFT, DIESEL ENGINE DRIVEN, DS SAFETY RATED, FOR SHIPBOARD USE The General Services Administration has authorized the use of this commercial item description as a replacement for MIL-

2、T-21868, which is canceled for all federal agencies. 1. SCOPE 1.1 ScoDe. This commercial item description (CID) covers five types of diesel powered forklift trucks (hereafter referred to as trucks) for shipboard use. 1.2 Intended Use. Each type of truck described herein is intended to be used aboard

3、 ships for the purpose of stacking, unstacking, and transporting palletized loads, some of which may consist of ordnance. 2. CLASSIFICATION. The trucks shall be of the following classifications: TYPE 1 - 6000# Capacity, Solid Rubber Tire, Standard TYPE 2 - 6000# Capacity, Solid Rubber Tire, Low Prof

4、ile TYPE 3 - 6000# Capacity, Pneumatic Rubber Tire TYPE 4 - 15,000# Capacity, Pneumatic Rubber Tire TYPE 5 - 20,000# Capacity, Pneumatic Rubber Tire 3. SALIENT CHARACTERISTICS 3.1 Conficruration. In addition to the other requirements stated in this CID, each truck must meet the characteristics liste

5、d in Table 1. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Naval Inventory Control Point Code 1041, MHE Division, 5450 Carlisle Pike, Mechanicsburg, Pennsvlvania, 17055-0788. DISTRIBUTION STA

6、TEMENT A: Approved for public release; distribution unlimited. FSC 3930 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A- 5 94 9 8 TABLE 1. SALIENT FEATURES CHARACTERISTIC TYPE 5 TYPE 1 6000# TYPE 2 6000# TYPE 3 6000# TYPE 4 15,000# CAPACITY 63 24

7、“ LC (RATED LOAD) 20,000# TIRE TYPE SOLID SOLID PNEUMAT IC PNEUMAT IC PNEUMAT IC # TIRES - DRIVE ,. 2 4 4 4 L LIFT HEIGHT (MIN.) 130“ 87.5“ 92 “ 68“ 130“ 89.25“ 220“ 128“ 220“ 145“ COLLAPSED MAST HT. (MIN. ) FREE LIFT HT (MIN.) 42 “ 33.5“ 51“ 3 1 “ 6 “ FORK THICKNESS (MAX.) 2 “ 2 “ 2 “ 2.5“ 3 “ FORK

8、 WIDTH (MAX. ) FORK LENGTH (MAX.) 6 “ 40“ 6 “ 40“ 6 “ 40“ 8 “ 48“ 10“ 48“ FORK SPACING (MIN SPREAD ) 40“ 44“ 48“ 58“ 58“ FORK SPACING (MAX. TOGETHER ) 14“ 14“ 14“ 20“ 22“ TRUCK OVERALL LENGTH (MAX. WITH FORKS ) 152“ 154“ 160“ 240“ 240“ TRUCK OVERALL WIDTH 50“ 66“ 69“ 96“ 98“ TRUCK OVERALL HEIGHT (MA

9、X) 87“ 70“ 91“ 115“ 115“ TRUCK WEIGHT (NO LOAD) (MAX. ) 12,500# 12,800# 13,000# 28,800# 35,500# 124“ RIGHT ANGLE TURN (MAX.) UNDERCLEARANCE (MIN) 180“ 3 “ 200“ 5 “ 260“ 6 “ 264“ 6 “ 3 “ LONGITUDINAL STABILITY (STACKING) 4% 2.3 DEG 8% 4.6 DEG 4% 2.3 DEG 3.5% 2 DEG 4% 2.3 DEG 2 Provided by IHSNot for

10、ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59498 TABLE 1. SALIENT FEATURES (Continued) CHARACTERISTIC ITYPE 1 LONGITUDINAL STABILITY ( TRAVEL I NG ) I 215.1 DEG LATERAL STABILITY - (STACKING) 13.4 DEG LATERAL STABILITY ( TRAVEL I NG ) I i1.8 DEG DECK LOADING (MAX.

11、) 18,400 # TRUCK SPEED MAX. W/ LOAD I 7 MPH I 4“ SIDESHIFT EACH SIDE OF CENTER SLOPE ASCENSION (WITH 122% LOAD) 12.4 DEG TILT - FORWARD 13 DEG TILT - REARWARD 16 DEG TYPE 2 27% 15.1 DEG 8% 4.6 DEG 40% 21.8 DEG 8,400# 7 MPH 4 “ 22% 12.4 DEG 3 DEG 6 DEG TYPE 5 10.2 DEG 6% 10% 10% 3.4 DEG 5.7 DEG 5.7 D

12、EG 40% 40% 40% 21.8 DEG 21.8 DEG 21.8 DEG 4000# 9000# 10,500# 7 MPH 10 MPH 10 MPH 4 “ I 6“ I 6“ 22% 122% 1 12cEG , 12.4 DEG 12.4 DEG 12.4 DEG 3 DEG 3 DEG 6 DEG 10 DEG 10 DEG 3.2 Desicrn. Truck shall be designed for the lifting capacity (rated load) at the specified load center, measured from the ver

13、tical face of the forks, and to the specified full lift height. No adjustments or deration to the lifting capacity will be permitted for lift height, side shifters or any other factor specified herein. Design of trucks and all components therein shall insure safe operation under marine service condi

14、tions. Truck shall be designed to permit selection and operation of travel, lift, steering, tilt, and side shift separately, simultaneously or combinations thereof. 3.3 Safetv. The truck shall conform to the applicable requirements of ASME B56.1, UL 558, and OSHA Standards in effect at the time of i

15、ssue of the solicitation. Truck shall bear the UL stamp of approval for “DS“ safety rated trucks. 3.4 Encrine. The engine shall be diesel powered, capable of operating on the following fuels: Naval Distillate Fuel (F-76) conforming MIL-F-16884, Aviation Turbine Fuel JP-5 (F-44) conforming to MIL-DTL

16、-5624, and JP-8 (F-34) conforming to MIL- DTL-83133. The engine shall meet all U.S. Environmental Protection Agency Regulations and U.S. Federal Laws in act at time of manufacture. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59498 3.5 Fuel

17、svstem. The fuel system of the truck shall provide for eight hours of continuous operation without the need for refueling. The fuel cap shall be painted green. 3.6 Exhaust svstem. The engine exhaust system shall be designed to prevent entry of rain into the exhaust system and to prevent accumulation

18、 of water and condensed vapors. Exhaust gases shall be discharged vertically above the operators compartment or at the rear or side rear of the truck within the plan outline of the truck. Exhaust gases shall not be discharged in a path that would interfere with the operator or by-Standers. All compo

19、nents of the system shall be replaceable with the use of hand tools. 3.7 Coolincr Svstem. The truck shall be equipped with a cooling system fan that discharges air away from the operator. 3.7 Startincr svstem. Truck shall be provided with an interlock, or other means, in the starting system to preve

20、nt energizing the starter motor except when the directional control lever is in the neutral position and when the engine is not running. 3.8 Transmission. A power shifted transmission shall be furnished. Transmission in forward and reverse shall be provide either variable speed or single speed range

21、 for trucks of 6000 pound capacity and two speed range for trucks greater than 6000 pound capacity. Transmissions shall provide for positive inching control of truck (throughout the entire range of engine speed) in the forward and reverse directions. 3.9 Electrical svstem. The truck shall have a 12

22、volt electrical system. Each electrical circuit shall be protected from electrical overload with circuit breakers. Fuses are not permitted. All electrical circuitry, controls, instrumentation, and components shall be protected in order to prevent any type of moisture or water damage. 3.10 Lift svste

23、m. The lift system shall consist of all components necessary for the lifting, fork positioning, tilting, and sideshift operations of the truck. The brake system and drive assembly shall not be a part of the lift (hydraulic) system. The lift system shall provide for lowering of the rated load in the

24、event of failure or damage to components utilized within the lift system. 3.11 Hoses. Permanently attached type hose fittings are acceptable as original hose assemblies only when the permanent fitting and hose design are such that a replacement hose assembly 4 Provided by IHSNot for ResaleNo reprodu

25、ction or networking permitted without license from IHS-,-,-A-A-59498 fitted with field attachable fittings will fit in place of the original hose assembly. Hoses in accordance with SAE J517 100R7 or 100R8 are not permitted. 3.12 Steerinq. Power steering shall be furnished. 3.13 Forks. Fork spacing d

26、imensions shall be measured from the outer edges of the forks. Fork spacing on trucks of 6,000 pounds capacity shall be adjustable laterally without the use of hand tools and shall be attached to the fork carriage in accordance with ASME MH 11.4. Folding forks shall be furnished on trucks of 6,000 p

27、ounds capacity. The forks shall be hinged or pivoted near the heels and shall be capable of being folded back manually against the fork upright and backrest. A manually operated locking device shall hold the forks in the upright position. Trucks of 15,000 pound capacity and above shall have forks at

28、tached to the fork carriage in accordance with Industrial Truck Association Recommended Practices. When the operator is seated, at least the tip of one fork shall be visible at all lift heights. 3.14 Fork Positioner. Trucks of 15,000 pounds capacity and above shall be provided with hydraulic forks p

29、ositioners. 3.15 Fork Sideshift. All trucks shall be equipped with a hydraulically operated side shift attachment. 3.16 Load backrest. A load backrest shall be provided which shall provide a vertical rear guard at least 48 inches high measured from the load carrying surface of the forks and at least

30、 equal to the width of the fork carriage. 3.17 Wheels and tires. Wheels and tires shall be selected from sizes, load, and speed ratings listed in the Year Book of the Tire and Rim Association. Split rims (wheels) are not permitted. 3.18 Service brakes. Brake system shall meet the requirements of ASM

31、E B56.1. Truck shall be equipped with a four wheel brake system. Brake system shall be independent of the lift system and drive assembly. Brakes shall be provided on both the drive and steer axle wheels. Brake system shall be equipped with a separate hydraulic circuit (split hydraulic) for each axle

32、. Brake system shall be equipped with a flashing red or amber warning light which shall be energized in the event of a malfunction in either brake circuit. Brake linings, pads, or disks shall contain no asbestos. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license

33、from IHS-,-,-A-A-59498 3.19 Parkincr brake. A mechanically actuated parking brake shall be provided. Parking brake shall be independent of the service brakes hydraulic system. 3.20 Deadman control. A deadman control shall be provided such that upon removal of the operators weight (85 pounds minimum)

34、 from the seat, the deadman control shall apply the drive wheel brakes and also automatically return the transmission to neutral when the engine is running. In no case shall the brakes be deactivated and the transmission (either mechanical or electrically operated) automatically return to any direct

35、ional mode with the return of the operators weight to the seat. A manual release or override of the deadman control shall be furnished. 3.20.1 Mechanicallv activated transmission. On mechanically activated type transmissions, the directional control lever shall be automatically returned to the neutr

36、al setting whenever the control lever is positioned at any setting other than neutral. Visual examination shall confirm the transmission control lever has been reset to neutral. 3.20.2 Electricallv activated transmissions. On electrically activated transmissions, the control lever need not be return

37、ed to neutral but a flashing indicator light located on the instrument panel shall alert the operator that the transmission is in neutral regardless of the position of the transmission control lever. The flashing light shall only terminate when the transmission control lever directional mode selecti

38、on has been completed and not on return of the operators weight to the seat. A nameplate located adjacent to the flashing light shall instruct the operator he must first reset the transmission control lever to neutral prior to selecting a directional mode. 3.21 Towincr device. A ring or pin type tow

39、ing device shall be provided at the rear of the truck. It shall not protrude beyond the path followed by the rear end of the truck when making a turn of minimum turning radius. 3.22 Slincrincr and Tiedown Attachments. Truck shall be equipped with a minimum of four slinging and tiedown attachments co

40、nforming to MIL-STD-209, Class 1, 2 or 3 for Type II or III equipment, excluding air transportation requirements. Also tiedown attachments shall meet the requirements of a Grade A item in Type A, HI (High-Impact) Shock as specified in MIL-S-901. 6 Provided by IHSNot for ResaleNo reproduction or netw

41、orking permitted without license from IHS-,-,-A-A-59498 3.23 ODerators overhead cruard. The truck shall be equipped with an overhead guard in accordance with ASME B56.1. Whenever the collapsed mast height is lower than the overhead guard height, the over head guard shall be removable with the use of

42、 hand tools. A non-removable guard is permitted when the overhead guard is either the same or lower than the collapsed mast height. 3.24 Controls. All controls shall be clearly marked. Plastic control knobs, buttons, switches, etcetera are not permitted. All load motion controls shall be self-center

43、ing. 3.24.1 Electrical Control. A three position key switch with a safety lockout feature to prevent accidental engagement of the starter when the engine is running shall be provided on the truck. Engine operation shall terminate when switch is turned to the off position. All trucks under a single c

44、ontract shall be keyed identically. Two keys shall be provide with each truck. 3.25 Instruments. The instruments, gauges, and warning lights furnished on the manufacturers standard commercial models shall be furnished. A time totalizing hour meter shall be furnished. 3.26 Floodlicrhts. Each truck sh

45、all be equipped with two horizontally and vertically adjustable floodlights, one for forward illumination and one for rearward illumination. Each floodlight shall be furnished with three sets of lenses. Color of lenses shall be clear, red and yellow. Lenses shall be stored in a pocket located on the

46、 back of the operators seat. Installation of floodlights shall not interfere with operator visibility and shall not interfere with removal of the overhead guard (if applicable). 3.27 StoDlicrht. One combination stoplight and tail lamp shall be provided. 3.28 Warnincr Device. Truck shall be equipped

47、with an operator controlled warning device (e.g. horn). 3.29 Seat. The truck shall be provided with a cushioned seat and backrest, which shall be adjustable forwards and backwards. 3.30 Weicrhincr device. Trucks of 6000 pounds capacity shall be equipped with an analog weighing device capable of weig

48、hing 150% of the rated load. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59498 3.31 Identification Plates. The truck shall be equipped with identification plates conforming to A-A-50271, Composition C, with information as specified herein.

49、3.31.1 Identification markinq. Each truck shall be identified with an identification plate. The identifying data to be applied to the plates shall be in accordance with ASME B56.1 in addition to the following: truck lifting capacity and load center, lift height, model number, serial number, contract number, gross vehicle weight (with rated load), USN registration number, delivery date, technical manual stock number, shipping weight (with f