1、i MIL-B-45370A 25 W 7797706 0377303 5 E MIL-B-45390A(AT) 16 March 1987 SUPERSEDING MIL-B-45 390 ( Ord ) 29 November 1961 MILITARY SPECIFICATION BULLDOZER KIT, EARTH-MOVING : TANK MOUNTING, M9 This specification is approved for use within the US Army Tank-Automotive Command, Department of the Army, a
2、nd is available for use by all Departments and Agencies of the Department of Defense. ii 1. SCOPE 1.1 Scope. This specification covers hydraulically operated, double-acting, straight-blade M9 bulldozer kits, designed for mounting on the front of fulltracked, combat tanks in the 105 MM, M60 series. 2
3、. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Depart
4、ment of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: US Army Tank-Automotive Command,
5、 ATTN: AMSTA-GDS, Warren, MI 48397-5000, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter. AMSC NIA FSC 2590 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CON
6、TAINS 12 PAGES. -% Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-45370A 25 W 777970b 0177302 7 D MIL-B-45 390A( AT) SPECIFICATIONS MILITARY MIL-L-2104 MIL-L-46167 - Lubricating Oil, Internal Combustion - Lubricating Oil, Internal Combustion E
7、ngine, Tactical Service. Engine, Arctic. STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for MIL-STD-130 MIL-STD-193 Inspection by Attributes. Property . Vehicles, Construction Equipment and Material Handling Equipment, MIL-STD-642 - Identification Marking of Combat and Tactical Tran
8、sport Vehicles. MIL-STD-4566 2 - Identification marking of US Military - Painting Procedures and Marking for - Calibration System Requirements. 2.1.2 Other Government drawing. The following other Government drawing forms a part of this specification to the extent specified herein. otherwise Specifie
9、d, the issues shall be those in effect on the date of the solicitation. Unless DRAWINGS ARMY 8750001 - Bulldozer, Earth-Moving, M9. (Copies of specifications, standards, handbooks, drawings, publications, and other Government documents required by the contractors in connection with specific acquisit
10、ion functions should be obtained from the contracting activity or as directed by the contracting activity,) 2.2 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein (except for associated detail specifications, specification sheets or
11、 MS standards), the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a specific exemptionhas been obtained. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
12、,-,-MIL-B-5370A 25 7977706 0177303 7 MIL-B-45 390A( AT) 3 REQUIREMENTS 3.1 First article. Unless otherwise specified (see 6.2), the contractor shall furnish a complete bulldozer kit, which shall be subjected to first article inspection (see 4.4). First article inspection samples, properly marked wit
13、h identifying information shall be representative of the unit to be furnished to the Government. All subsequent bulldozer kits delivered to the Government shall conform to these samples in ali of their pertinent physical and performance attributes. 3.2 Materials. Materials shall be as specified here
14、in and in referenced specifications, standards, and drawings. Materials shall be free from defects which adversely affect performance or serviceability of the finished product (see 4.6.1). 3.2.1 Qualified products. The contractor shall be responsible for using parts and assemblies that are listed as
15、 qualified products on the Qualified Products List (QPL) and those approved for inclusion on the QPL. contractors manufacturing inspection records shall specifically list all QPL items by part or drawing number(s), name of supplier(s), and number and date of the QPL. When assemblies and parts are ap
16、proved as qualified products, but not yet listed on the QPL, the contractor shall list the products by number and date of the approved document with the name of supplier(s) (see 4.6.1). The 3.3 Design and construction. The bulldozer kits shall be constructed and assembled into a complete assembly in
17、 accordance with drawings, specifications, and standards listed or referred to on Drawing 8750001. parts requiring identification shall be marked in accordance with standard MIL-STD-130 (see 4.6.1 and 4,6.2). Al1 3.3.1 Service products. Bulldozer performance shail be demonstrated using standard serv
18、ice products in the hydraulic system, of the following type and grade for the applicable ambient air temperature; at ambient air temperature from -10 degrees Fahrenheit (OF) to +125OF, oil shall conform to grade 10 of MIL-L-2104; at ambient air temperature from -10 to -40“F, oil shall conform to MIL
19、-L-46167 (see 4.6.1). 3.3.2 Hydraulic system. Provisions shall. be made prior to initial filling to assure that oil confining areas of the hydraulic system are free of rust, scale, welding slag and spatter, or other contamination that may cause equipment failure (see 4.6,l). 3.3.3 installation instr
20、uctions. One copy of an approved set of installation instructions shall be provided with each bulldozer kit (see 4.6.2). 3.3.4 Interchangeability. Al1 parts having the same manufacturers part number shall be directly and completely interchangeable with each other in terms of installation and perform
21、ance (see 4.6.1). 3.4 Performance. After the bulldozer kit is completely assembled and installed on the tank, the bulldozer, serviced as specified in 3.3.1, shall meet the performance requirements specified herein (see 4.6.3). 3 Provided by IHSNot for ResaleNo reproduction or networking permitted wi
22、thout license from IHS-,-,-MIL-B-45390A UP 999990b 0197304 O Down MIL-B-45390A( AT) 2.5 4 5 5.5 6 3.4.1 Hydraulic operating system. The hydraulic system shall be powered by a hydraulic pump driven through a right angle drive speed reducer attachable to the transmission power take-off shaft. A four-p
23、osition control valve shall direct: the oil flow to the double-acting hydraulic cylinders for control of the blade. The pump when operating at 2800 revolutions per minute (rpm) shall deliver a minimum flow of 60 gallons per minute at a pressure of 1000 pounds per square inch (psi) (see 4.6.3.1). 6.5
24、 6.5 6.5 6.5 6.5 3.4.2 Controls and linkage. Prior to initial bulldozing operation, all controls and linkage shall be operated through all ranges of operation (see 3,4,3 Safety relief valve, Hydraulic system shall be protected from high shock pressures by a relief valve set to operate at 5000 psi (s
25、ee 4.6.3.3) 3.4.4 Digging depth. Full downward pressure applied to piston shall hold the cutting edge of the blade down to not less than 9 inches below ground level. The hydraulic system shall hold the moldboard at any height within operating range, or allow moldboard to float at ground level (see 4
26、.6.3.4) . 3.4.5 Rate of lift, The hydraulic system shall lift and lower the moldboard at rates of speed listed in table I. shall be accomplished when using oil specified in 3.3.1 with an applied pressure of 1000 psi (see 4.6.3.5). The specified rates of speed TABLE I. Rate of lift. - Engine speed mi
27、nimum (rpd 1 O00 1500 2000 2400 2800 Minimum rate of lift or lower (inches per second) 3,4,6 Environmental. 3.4.6.1 High temperature. The bulldozer shall meet the requirements of 3.4.1 through 3.4.5 during and after exposure to temperatures up to 115F (sea 46.3.6.1). 3.4.6.2 Low temperature. The bul
28、ldozer shall meet the requirements of 7.4.1 through 3.4.5 during and after exposure to temperatures down to -40F (see 4.6.3.6.2). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-B-45370A 25 7777706 0177305 2 m MIL-B-45390A( AT) 3.5 Identificat
29、ion marking. When specified (see 6.2), the bulldozer kit shall be marked as specified by the procuring activity in accordance with MIL-STD-642 (see 4.6.2). 3.5.1 Nameplate. A nameplate conforming to the applicable drawing shall be provided (see 4.6.2). 3.6 Finish. Unless otherwise specified on the a
30、pplicable drawing, the Bulldozer Kits component assemblies and parts shall be prepared and painted in accordance with MIL-STD-193 (see 4.6.2). 3.7 Workmanship. Workmanship shall be of a quality to assure that the bulldozer kit and its components are free of defects that compromise, limit, or reduce
31、capability in the performance of its intended use. Electric leads and hydraulic lines shall-be located in a manner so as to prevent possible damage by rubbing on adjacent lines or appendages. There shall be no loose, damaged, or missing assemblies, components, or attaching hardware. All moving parts
32、 shall operate without sticking or binding (see 4.6.2). 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order (see 6.2), the contractor is responsible for the performance of all inspection requirements as specified herein. Exc
33、ept as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified he,rein, unless disapproved by the Government. The Government reserves the right to perform or witness any of the
34、 inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. The inspection set forth in this specification sh
35、all become a part of the contractors overall inspection system or quality program. The absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to the Government for acceptance comply wih al
36、l requirements of the contract. Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. 4.1.2 Inspection equipment. Unless otherwise specified in the contract (see 6.
37、2), the contractor is responsible for the provision and maintenance of all inspection equipment necessary to assure that supplies and services conform to contract requirements. Inspection equipment must be capable of repetitive measurements to an accuracy of 10 percent of the measurement tolerance.
38、Calibration of inspection equipment shall be in accordance with MIL-STD-45662. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MLL-B-45390A 25 7997706 OL9730b 4 MIL-B-45390A( AT) 4.1,3 Government verification. All quality assurance operations perfo
39、rmed by the contractor will be subject to Government verification at unscheduled intervals. Verification will consist of (a) surveillance of the operation to determine that practices, methods, and procedures of the written quality assurance system plan are being properly applied, and (b) Government
40、product inspection to measure the quality of the product offered for acceptance, Deviation from the prescribed or agreed upon procedures, or instances of poor practices which might have an adverse effect upon the quality of the product will immediately be called to the attention of the contractor. b
41、e cause for suspension of acceptance until corrective action has been demonstrated, Failure of the contractor to promptly correct deficiencies shall k 4.14 Qualified products, When a part or component is specified to conform to a specification having a Qualified Products List (QPL), the contractor s
42、hall make available to the Government documentation of item acquisition from such QPL. identification of the supplier, purchase order, and quantity, The documentation shall include the QPL date and 4.1.5 Quality assurance provisions. In the conduct of inspection, the contractor shall adhere to Quali
43、ty Assurance Provisions (QAP) and General uality Assurance Provisions- (STA- Form 458) as applicable and as required by the documents forming part of this specification. 4.2 Classification of inspection: a, First article inspection (see 4,4). 1, Preproduction inspection (see 4.4.1). 2b Initial produ
44、ction inspection (see 4,4,2), b. Quality conformance inspections (see 4.5). ib Examination (see 4.5,2). 2. Tests (see 4.5.3). 4.3 Inspection conditions . Unless otherwise specif ied (see 6.21, all inspections shall be conducted under the following conditions: a. b, c. Air temperature 73 + 18F Barome
45、tric pressure-28,5 + 2 in Mercury (Hg) Relative humidity 50 - + 30 percent -3 4.4 First article inspection. First article inspections shall be performed on preproduction or initial production samples as specified herein. - First article inspection shall be perfrmed at the location specified by the p
46、rocuring activity (see 6.2), Government: shall not relieve the contractor of the obligation to supply bulldozer kits that are fully representative of those inspected as a first article sample. first article sample shall be subject to the approval of the contracting officer . Approval of the first ar
47、ticle sample by the Any changes or deviation of the production units from the 6 b Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-45390A 25 m 979970bOL97307 b m MIL-B-4 5 3 9 OA( AT ) 4.4.1 Preproduction inspection. When specified (see 6.2), th
48、e preproduction sample shall consist of one bulldozer kit. Preproduction - inspection shall consist of inspection as specified in table 11. 4.4.2 Initial production inspection. Unless otherwise specified (see 6.2), the Government shall select one bulldozer kit, from the first ten units produced unde
49、r the production contract for initial production inspection. Initial production units shall be inspected as specified in table 11. 4.4.3 First article inspection failure. Test item deficiencies during, or as a result of, the first article test, shall be eause for rejection of the items until evidence has been provided by the contractor that corrective action has been taken to eliminate the deficiency. Any deficiency found during, or as a result of the
