1、 INCH-POUND A-A-59424 April 16, 1999 COMMERCIAL ITEM DESCRIPTION TRUCK, LIFT, FORK, CONTAINER HANDLER, DIESEL ENGINE-DRIVEN, PNEUMATIC-TIRED, 55000 POUND CAPACITY AT 48 INCH LOAD CENTER The General Services Administration has authorized the use of this commercial item description for all federal age
2、ncies. 1. SCOPE. This Commercial Item Description (CID) covers the general requirements for a commercial, diesel-engine-driven, container handling forklift truck (CHFLT). The CHFLT will primarily be used to lift, transport, and stack International Standards Organization (ISO) containers and sealland
3、 containers of 20 foot length on paved and semi-improved surfaces. When using forks in the bottom lift configuration, the vehicle shall have the capability to lift, transport and stack loads up to 55,000 pounds at a 48 inch load center. When using a top handling attachment, the vehicle shall have th
4、e capability to lift, transport and stack loads (not including attachment) up to 44,000 pounds at a 48 inch load center. 2. SALIENT CHARACTERISTICS. 2.1 Description. The CHFLT shall be the suppliers standard commercial vehicle with a fixed- length 20-foot top handling attachment that meets all requi
5、rements specified in this document; failure of the CHFLT to meet any salient characteristics shall be cause for rejection. The CHFLT shall be equipped with, but not limited to, instruments, components and accessories that are standard on the commercial product, whether specified herein or not. The C
6、HFLT shall be an assembly of new materials and shall be free of defects in design and construction that affect appearance, serviceability, and durability. The CHFLT shall comply with requirements of ASMEIANSI B56.1, Safety Standard for Low Lift and High Lift Trucks, and Occupational Safety and Healt
7、h Administration Department of Labor (OSHA) Code of Federal Regulation (CFR) 29 CFR 1910.178, Powered Industrial Trucks. The CHFLT shall meet the performance parameters listed or referenced and shall be equipped as specified. Beneficial comments, recommendations, additions, deletions, clarifications
8、, etc. and any data which may improve this document should be sent to: Warner Robins Air Logistics Center, WR-ALCTILCC, 420 Second Street, Suite 100, Robins AFB GA 31098-1640. AMSC NIA FSC 3930 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5942
9、4 2.2 Operating Environment. The CHFLT shall start within five minutes in any ambient temperature (and with the truck stabilized at ambient temperature) from O“ to +125“F. When specified (see 6.1), a winterization system (see 2.28) that extends the storage and operational range of the vehicle to -25
10、“F, or to 40F shall be furnished. 2.3 Design. The CHFLT shall be designed for safe operation with rated load at all lift heights and modes of operation the truck is capable of achieving; fork and mast tilt, fork and attachment positioning, travel speeds, braking, etc. The rated load capacity shall b
11、e 55,000 pounds at a horizontal load center of 48 inches; horizontal load center is the distance from the load carrying surface of the backrest to the load center of gravity. 2.4 Dimensions and Gross Vehicle Weight (GVW). The CHFLT shall be within the following dimensional characteristics and weight
12、 limitations: a. Overall length: 360 inches (30 feet) b. Overall width: 120 inches (10 feet) c. Overall height: 215 inches (mast lowered); 244 inches (mast extended) d. GVW: less than 95,000 pounds including all accessories and top handling attachment. e. Wheelbase shall not exceed 144 inches. 2.5 E
13、ngine. The CHFLT shall be powered by a standard commercial diesel engine. Horsepower and torque shall be sufficient to provide the CHFLT performance specified herein. 2.6 Powertrain. A commercial powershift transmission and torque converter shall be provided. The transmission shall provide at least
14、three forward and three reverse speeds; selective forward and reverse directional controls activated by the operators foot are not acceptable. The transmission shall provide for positive inching or declutch control throughout the entire engine rpm range, in both forward and reverse directions. The i
15、nching or declutch control shall permit lifting of rated load, at maximum engine speed, while the transmission is in a forward or reverse gear, with no vehicle motion. 2.7 Fuel System. The fuel tank shall be of sufficient capacity to allow a minimum of eight (8) hours continuous operation without re
16、fueling. The fuel system shall include watedfuel separation filter(s) that are easily accessible for replacement. 2.8 Engine Exhaust. The exhaust system shall incorporate a muffler, and shall terminate overhead at a location clear of the operators station. A means shall be furnished to prevent rain
17、water intrusion into the exhaust system. 2.9 Hydraulic System. The hydraulic system shall consist of all hydraulic components necessary for operation of the vehicle, including filter(s). Restriction indicators to signal need for filter(s) 2 Provided by IHSNot for ResaleNo reproduction or networking
18、permitted without license from IHS-,-,-A-A-59424 replacement shall be provided. Filter(s) shall be located so that they are easily accessed for replacement. All hydraulic hoses shall have a working pressure equal to or greater than the hydraulic system maximum relief valve setting. A test port shall
19、 be included, identified with a nameplate, and centrally located. 2.9.1 Hydraulic Reservoir. The hydraulic reservoir filler shall be properly labeled and of sufficient inside diameter to accept a filler tube of at least one inch. A full reservoir shall show no evidence of fluid leakage or spillage u
20、nder all operating conditions, this includes: ascending, descending, and stability positions. A site gauge shall be provided and protected or positioned so that it is not subject to damage but is visible to maintenance personnel. 2.9.2 Fail-safe hydraulic lift system. The CHFLT shall be equipped wit
21、h a fail-safe hydraulic lift system which will automatically lower fork tines at a safe controlled rate, and prevent forward tilting of the mast or forks in the event of system failure. Lowering speed of forks shall not exceed 45 feet per minute (fpm) unloaded, 95 fpm loaded, under any load conditio
22、n. A manual override shall be provided so that forks can be safely lowered unpowered. Hydraulic hoses between the truck and top handling attachment shall be of the quick-disconnect type. 2.9.3 Hvdraulic schematic. A corrosion resistant data plate containing the hydraulic schematic of the vehicle sha
23、ll be permanently installed in an area where normal usage will cause it no damage. The data plate may be located behind a panel that can be opened by hand and become visible to maintenance personnel. 2.10 Masts and minimum lift height. The CHFLT shall be furnished with a removable two-stage vertical
24、 mast capable of a minimum 244-inch fork lift height (top surface of fork); both container handler configurations, bottom lift and top handling, shall permit stacking of IS0 containers (20 x 8 x 8.5) two high. The mast assembly shall have vertical tilt capability with forward and backward tilt with
25、at least 5 degrees forward and 10 degrees backward tilt. A tilt indicator, visible to the operator while seated in the cab, is required. Mast tilt cylinders shall be low mounted as to not hinder visibility. Lifting eyes, for the convenience of assembly/disassembly, will be installed on the mast. All
26、 operations of the masts shall be capable of smooth and controlled operation. Overall lowered height of the mast shall not exceed 215 inches. 2.11 Carriage and fork kit. A pin-type carriage with fork positioners and pin-type side shift integral to the carriage shall be provided. Overall width of the
27、 carriage shall not exceed 114- inches. The fork kit shall include all components required for conventional fork lift operations. Fork side shift and fork positioner shall be hydraulically powered and operable from inside the cab. Fork spacing shall have the tine minimum inside-to-inside distance of
28、 6 inches and maximum span outside-to-outside of 108 inches. The fork tines shall have the following dimensional characteristics: 96 inch length, 11.8 inch width, and 4.1 inch thickness; forks shall have a taper on the underside of the fork extending from the tip rearward. Fork tines may also exceed
29、 the 4.1 inch thickness at the heel of the fork. Forks will be rated at a minimum 3:l safety factor. Heel hooks will retain both forks to the carriage assembly to prevent fork kick-up. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59424 2.11.
30、1 Lifting speed. With rated load, the fork lift speed shall be no less than 60 fpm over the entire distance from ground level to maximum lift height; mast lowering speed with rated load shall not exceed 95 fpm. The lowering speed of the unloaded forks shall not exceed 45 fpm. The forks either unload
31、ed or with rated load, shall lower at a controlled rate (no free-fall). There shall be no uncontrolled operation, jerking, or a condition that could cause damage to the lift system or forklift permitted. 2.12 Container handler attachment. The CHFLT shall be furnished with a fixed-length top handling
32、 attachment compatible for use with 20 foot IS0 freight containers. The tophandler shall include all coupling devices and aligning arms for the vehicle to safely engage, lift, transport, and lower the containers in all modes of operation. The complete top handler shall be capable of being removed an
33、d mounted on the truck within 5 minutes. Hydraulic lines and electrical lines shall between the mast, carriage and tophandler shall be of the quick-disconnect type. The top handler and coupling devices shall be operable from inside the cab. Both electrical indicator lights and mechanical container e
34、ngage/disengage safety indicators will be included with the top handling attachment and will be visible to the operator while seated in the cab. An interlock system will be included to prevent accidentalhnadvertent release under load. The attachment will have eyelets so that slings and shackles, pos
35、sessing a 44,000 capacity, can be used in conjunction with the truck. 2.13 Oscillation. Pile slope is not required, however, the CHFLT shall be capable of engaging and disengaging rated loads when containers are positioned where one end of the container is a maximum of seven inches higher than the o
36、ther end. 2.14 Ground clearance. The CHFLT minimum allowable ground clearance with maximum rated load shall be 12 inches. 2.15 Electric system. A 24-volt electrical system is required. The electrical system shall consist of all electrical components necessary for operation of the truck. Electrical c
37、onnections on components normally removed from the vehicle shall be of the quick-disconnect type. The CHFLT shall have sufficient electrical grounding to prevent static discharge. 2.15.1 Alternator. The CHFLT alternator shall have minimum output at normal engine operating RPM to supply and sustain f
38、ull electrical operating load to all electrical components and accessories, includes all lighting and wipers, operating simultaneously without battery discharge. 2.15.2 Starter switch. The CHFLT starter switch shall not activate the engine starter while the engine is running, nor when the engine is
39、not running and the transmission is in any forward or reverse gear. 2.15.3 Lighting. There shall be a minimum of six forward and four rearward driving lights. The floodlight(s) shall be positioned so that the adjustment mechanism does not interfere with entering or exiting the cab, nor interfere wit
40、h the operators vehicle operating functions. Tail light(s), and brake stop light(s) shall also be provided; taillights shall illuminate when either front or rear driving lights are on. All lights shall be protected by location or guards. Individual operator 4 Provided by IHSNot for ResaleNo reproduc
41、tion or networking permitted without license from IHS-,-,-A-A-59424 controlled switches shall be provided for the front lights, rear lights, and floodlight(s). The top handling attachment shall have a minimum of two adjustable floodlights so that twistlocks closest to operator will be illuminated. 2
42、.15.4 Batteries. Except where winterization is specified, the battery shall be the maintenance- free type. Batteries shall be located in an easily accessible and protected location. 2.15.5 Master switch. A keyless master switch, with an identification plate, shall be installed in a convenient locati
43、on to permit disconnect of the batteries from all electrical load. 2.15.6 Wiring schematic. A corrosion resistant data plate containing the electrical schematic of the CHFLT shall be installed in an area where normal usage will cause it no damage. The data plate may be located behind a panel that ca
44、n be opened by hand and visible to maintenance personnel. 2.15.7 Electromagnetic interference (EMI). The CHFLT shall comply with the EM1 requirements of SAE J55 1. 2.16 Travel speed. The CHFLT maximum travel speed with a rated load shall be a minimum 15 miles per hour (mph) in forward direction and
45、9 mph in reverse direction. 2.17 Stability. The CHFLT shall meet the longitudinal stability stacking, longitudinal stability travel, lateral stability stacking, and lateral stability travel requirements of ASME/ANSI B56.1. 2.18 Service brakes. All wheel power assisted brakes shall be furnished. As a
46、 minimum, service brake performance shall comply with the requirements of ASME/ANSI B56.1. 2.19 Parking brake. The parking brake actuation shall be independent from the service brakes. The control shall be located within reach of the seated operator and in a position to permit the operator easy and
47、safe movement on and off the vehicle. The parking brake shall be capable of holding the vehicle at rated capacity, without use of the service brakes, on a minimum 30 percent grade, in both ascending and descending directions. 2.20 Steering. Power assisted steering, with emergency steering in the eve
48、nt of power failure, shall be provided. The steering wheel shall be furnished with an audible horn mounted in the center, and shall be of the tilt type or mounted on a tilt steering pod. 2.20.1 Steering Axle. The steering axle shall be a hydrostatic design with a single rod double- ended steer cylin
49、der connected with non-adjustable steering links. Steering spindles shall have tapered roller bearing throughout. Hub must be of the greased filled type, not oil filled. 2.21 Turning radius. The CHFLT maximum turning radius shall not exceed 21 feet when measured to outside of the tires. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59424 2.22 m. The CHFLT shall be equipped with an enclosed cab that incorporates overhead pr
