1、F MIL-PRF-454LD 999990b 203bLOB 654 MIL-PRF-4541D (USAJ?) 2 June 1997 SUPERSEDING 23 August 1983 MIL-L-454 1 C (TJSAF) PERFORMANCE SPECIFICATION LUBRICATING AND SERVICING UNIT, AIR OPERATED HIGH AND LOW PRESSURE DELIVERY This specification is approved for use by the Department of the Air Force and i
2、s available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Description. This document covers an air operated, lubricating and servicing unit for dispensing generai purpose lubricants, gear and engine oils and chassis grease. 2. APPLICABLE DOCUMENTS 2.1 This sectio
3、n is not applicable to this specification. 3. REQUIREMENTS 3.1 Materials. 3.1.1 Metals. Metals used in the fabrication of the lubricating and servicing unit shall be of corrosion-resistant type or suitably treated to resist corrosion. 3.1.2 Dissimilar metals. Unless suitably protected against electr
4、olytic corrosion, dissimilar metals shall not be in intimate contact with each other. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: SA-ALC/TEDD, 485 Quentin Roosevelt Rd., Bldg 171, Kelly AFB,
5、 TX 78241-6524 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 4930 1, D ST Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesMTL-PRF-4541D 3.1.3 P
6、ec ?. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.2 Desi-mi. 3.2.1 Air Pressure. The lub
7、ricating and servicing unit shall fnction between 90 and 175 pounds per square inch (psi) and withstand stall pressure up to and including 200 psi air line pressure. 3.2.2 Mai ntenance. The lubricating and servicing unit shall be such that maintenance can be accomplished utilizing general purpose to
8、ols. 3.2.3 Pefiormance . The lubricating and servicing unit shall meet the following performance requirements: a. Operating temperatures ranging fkom -20“ Fahrenheit (F) to 130F and storage in temperatures ranging fkom -40F to 160F. b. A relative humidity of 95 to 100 percent at an operating tempera
9、ture of 130F and a storage temperature of 160F. c. Lubricant displacements utilizing air pressures and ambient temperatures as indicated in Table I. d. Operating as intended without leaking air, grease, or oil. 3.3 Cabinet. The cabinet shall be aequate to contain and provide easy access to three 120
10、 pound drums, pumps, hose reels, hoses, grease and oil guns. Cabinet shall have a pulling- pushing handle, lock, and be mounted on a mobile base. C 3.3.1 w. The base shall withstand a minimum load of 800 pounds. The base shall be mounted on two wheels and two swivel casters. The base shall be equipp
11、ed with a foot brake. The base shall also be equipped with four lifting and tie-down devices to facilitate loading, unloading, and servicing during transport, 2 Licensed by Information Handling Services1 I MIL-PRF-4541D 9999906 20361LO 202 MIL-PFS-454 1 D J 3.4 Accessories. The following accessories
12、 shall be fiunished with each lubricating and servicing unit. Ouantie Item 1 each Padlock with 2 keys. 1 each Grease Gun, manually operated with a quick change feature. 1 each Grease Gun, high pressure, with quick change feature. 1 each Oil Gun, suction type. 1 each Flexible extension. 1 each Couple
13、r, shafer type fitting. 1 each Oiler, pump feed, with a rigid bent spout. 1 each Oil spray Gun, air operated, with connector. 1 each Adapter-Coupler, giant button-head, with 1/2 inch National Taper Pipe (NPT) female thread. 3.5 Pm u ricant. 3.5.1 i. P Pumps shall be double acting, self priming, and
14、air motor driven. Pumps shall be equipped with an air pressure gauge (O to 200 psi scale), air pressure regulators and ball type foot valves. Performance: see Table I. 3.5.2 Pumps. high pressure. chassis grease. Pumps shall be double acting, self priming, and air motor driven. Pumps shall be equippe
15、d with an air pressure gauge (O to 200 psi scale) and an air pressure regulator. Performance: see Table I. 3 Licensed by Information Handling Services MIL-PRF-4541D 7777906 2036111 147 MIL-PRF-454 1 D TABLE 1. Lubricant Displacement High Pressure Pump Delivery (Using Chassis Grease) NOTE: Static pre
16、ssure developed by the pump shall be not less than 200 psi. Low Pressure Pump Delivery (Using Lubricating Oil, Gear) SAE 90 weight Low Pressure Pump Delivery (using Lubricating Oil, Internal Combustion) M.INmuM DELIVERY PER MINUTE 20 Ounces 14 Ounces 5 Ounces 16 Pounds 12 Pounds 8 Pounds 3 Gallons 1
17、 3/4 Gallons 1 1/4 Gallons AIR PRESSURE USED IN PSI 120 120 120 120 120 120 120 120 120 AMBIENT TEMPERATURE IN DEGREES FAHRENHEIT +70 f 5 Of2 -20 f 2 +70 f 5 Of2 -20 f 2 +70 f 5 Ok2 -20 f 2 3.5.3 Pump screen. The suction end of the gear and engine oil pumps and the chassis grease pump shall be fitte
18、d with a filtering device to prevent entrance of foreign matter into the pump. The filtering device shall be readily removable without disassembling any part of the pump for cleaning purposes. 3.6 Reel. chassis lubricant. A lubricant hose reel shall be provided and mounted within the cabinet. The re
19、el shall be spring actuated with the capacity to accommodate 30 feet of 1/4 inch inside diameter (id) lubricant hose. The reel shall be provided with a latching or stop mechanism. 3.7 Hose. 3.7.1 High pressure. The hose shall be 1/4 inch id, minimum length of 25 feet with 1/4 inch NPT end fittings.
20、3.7.2 Low pressure. The hose shall be 3/8 or 1/2 inch id, minimum length of 13 feet with NPT end fittings. 3.8 Master valve assembly. A master air line valve with quick-disconnect coupler to relieve the air and lubricant pressure in the lines when unit is not in use shall be provided. i c 3.9 Manifo
21、ld. An air manifold shall be provided to facilitate connection of air lines to the lubricant pumps. Manifold shall be equipped with quick-disconnect coupiing. 4 Licensed by Information Handling Services MIL-PRF-4541D W 9999906 203bLL2 085 = MIL-PRF-4541D 3.1 O Control valve assemblies. 3.1 O. 1 Cont
22、rol valve assemb ly. high pressure. chass is grease. A control valve assembly equipped with a swivel and an adapter, hydraulic coupler, shall be fmished. A pressure reducing device shall be provided. This reducing device shall function when at low pressure position, the chassis grease pump pressure
23、ratio is reduced to approximately 1/8 the air pressure supplied to operate the pump, and when placed in the high pressure position the full pump pressure shall be available. 3.10.2 Control valve assembly. low-pressure. motor oil. A control valve equipped with a swivel shall be furnished for dispensi
24、ng and metering motor oil. The totalizing meter shall measure in pints and quarts. 3.10.3 hl. A control valve equipped with a swivel shall be furnished for dispensing and metering gear oil. The totalizing meter shall measure in pints and quarts. 3.1 1 Air connection hoses . An air hose with one end
25、terminating in a 1/4 inch external NPT end fitting and the opposite end terminating in a quick-disconnect shall be provided in the following locations: a. From air manifold to gear oil pump. b. From air manifold to motor oil pump. c. From air manifold to chassis grease pump. d. To connect air manifo
26、ld, air line filter, and oiler, and master shut off valve. 3.12 Preparation. p rimer and paint. All painted surfaces shall be prepared and primed using procedures compatible with the fnal paint. The nal paint shall be a standard, commercially available, non-absorbing gloss enamel. 3.13 Workmanship.
27、The workmanship shall be high quality when compared to industry standards. There shall be no rough edges on machined or flame cut components. All welds shall be smooth and continuous. The welding procedures shall be conform to a welding code acceptable to the procuring activity. 5 Licensed by Inform
28、ation Handling ServicesNIL-PRF-454LD 9999906 2036113 T11 MIL-PRF-4541D 4. VERIFICATION 4.1 Classification of insyections. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.2). b. Conformance inspection (see 4.3). 4.2 First article inspection.
29、First article inspection shall consist of all tests as described under para. 4.4. 4.3 Conformance inspection. Conformance inspection shall consist of all tests described under para. 4.4.1. 4.4 Examination and tests. 4.4.1 Examination of product. Each Unit shall be examined to assure compliance with
30、this specification relative to the requirements for materials, design, accessories, pumps, hoses, control valve assemblies, connection hoses, finish, primer and paints, proper assembly, completeness, marhg and overall quality of workmanship as specified in para. 3.1,3.3,3.4,3.6,3.7,3.8,3.9, 3.10,3.1
31、1,3.12, and 3.13. The units shall be examined to assure conformance and documentation shall be provided to assure that the units meet the requirements of this specification. 4.4.2 heration. One unit, representative of the production lot, shall be charged with lubricant and connected to a source of c
32、ompressed air conforming to 3.2.1 and tested for proper operation of pumps, valves, et cetera. The unit shall be tested to veri5 compliance with 3.2 and 3.5. The pumps specified in para. 3.5.1 and 3.5.2 shall meet the performance requirements of Table 1. During these tests, a check shall be performe
33、d to determine if there are any air or lubricant leaks in the system. In addition, all components subject to intemal either air, grease, or oil pressure shall be subjected to a hydrostatic test pressure of at least 200 pounds per square inch gauge (psig) for at least 5 minutes without either leaking
34、, damage, or permanent deformation. 5. PACKAGING 5.1 -. For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD personnel, these personnel need to contact the responsible packaging acti
35、vity to ascertain requisite packaging requirements. Packaging requirements are maintained by the Inventory Control Points packaging activity within the Military Department or Defense Agency, or within the Military Departments System Command. Packaging data retrieval is available fiom the managing Mi
36、litary Departments or Defense Agencys automated packaging files, CD-ROM products, or by contacting the responsible packaging activity. . 6 Licensed by Information Handling ServicesMIL-PRF-4541D 9999906 2036114 958 MIL-PRF-4541D 6. NOTES (This section contains information of a general or explanatory
37、nature which may be helpful, but is not mandatory.) 6.1 Intended use. The lubricating and servicing unit covered by this specification is intended to be used for the lubrication of various types of automotive and heavy construction equipment. 6.2 Acquisition requirements. Acquisition documents must
38、spec the following: a. Title, number, and date of this specification. b. Accessories to be funiished with the lubricating and servicing unit (see 3.4). c. Technical publications to be furnished (see 3.13). 6.3 Subiect term kev word) listing. lubricating and servicing unit pump low pressure pump high
39、 pressure lubricant chassis air operated high pressure low pressure 6.4 Changes from previous issue. Marginal notations are not used in this revision to identi changes with respect to the previous issue due to the extent of the changes. Custodian: Air Force - 99 Preparing activity: Air Force - 82 Agent: Air Force - 99 (Project: 4930-0100) 7 Licensed by Information Handling Services
