1、MIL-G-SL49LA LO 999990b 033Ll249 3 c c 5- 37-15 MIL-G-51491A( EA) 16 April 1986 SUPERSEDING MIL-G-51491( CA) 10 December 1982 MILITARY SPECIFICATION GENERATOR, SMOKE:, MECKANICAZ; PULSE JET. M3A4 This specification is approved for use within the Chemical Research, Development and Engineering Center,
2、 Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a smoke generator for use in producing smoke screens. 2 . APPLICABLE DOCUMENTS 2.1 Government documents . 2.1.1 Specifications and standards.
3、The following specifications and stan- dards 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 Department of Defense Index of Specifications and Standards (DODISS) and supplement there
4、to, cited in the solicitation. SPECIFICATIONS FEDERAL! PPP-T-60 - Tape: Packaging, Waterproof. : Beneficial comments (recommendations, additions, deletions) and any perti- : : nent data which may be of use in improving this document should be addressed: : to: Commander, U.S. Army Chemical Research,
5、Development and Engineering : : Center, AWN: SMCCR-SPD-TS, Aberdeen Proving Ground, MD 21010-5423 by : using the self-addressed Standardization Document Improvement Proposal (DD : : Form 1426) appearing at the end of this document or by letter. AEBC N/A FSC 1040 DISTRIBUTION STATEMENT A. Approved fo
6、r public release; distribution is unlimited. THIS DOCUMENT CONTAINS - pin handle. (7) (8) (9) (10) magneto-air pump handle 15-20 strokes to purge the combustion chamber of combus- tion products and vaporized fog oil. (11) button and operate the magneto-air pump handle. (12) (13) (14) (15) Insert the
7、 fog oil inlet hose and exhaust hose into a container of fog oil. Raise float bowl to maximum height. Open bleed valve on fog oil pump. Open fuel line plug cock. Operate the air accumulator pump handle and charge the air Open float bowl toggle valve. Remove fuel hose at engine head and drain any wat
8、er from Reattach fuel hose to engine head. float bowl. If the generator has recently been operated, operate the Simultaneously press the air accumulator air release When engine fires, release the air release button. Adjust the float bowl until the generator is running Close the bleed valve on the fo
9、g oil pump and adjust the Throughout the test the operator may continue to addust smoothly . oil metering valve for maximum smoke emission. the height of the float bowl to obtain smooth engine performance and adjust the oil metering valve for optimum smoke output. (b) -Shut down procedure. The M3A4
10、smoke generator shall be shut dom as follows: (1) and close float bowl toggle valve when smoke emission ceases. (2) Close oil metering valve. To stop generator, open bleed valve on the fog oil pump 50 PACKAGING 5.1 Preservation. Preservation shall he level A, or B as specified (see 6.1) . 5.1.1 Leve
11、l A. 5.1.1.1 Preservation. The following procedures shall be used: (a) Prime unit. Remove the strainer from the fog oil intake line and replace. engine head assembly. Drain the gasoline from the fuel tank and float bowl assembly. Remove the fuel sediment strainer and replace it. Remove the engine he
12、ad assembly and replace the engine valve. Re-install the engine head assem- bly. .Open all fuel line valves except the float bowl toggle valve and gas tank drain cock. Disconnect the air pressure line and flexible-fuel line from the Fill fuel tank with #1 fuel oil (ASTM D3699). Open float bowl 11 Li
13、censed by Information Handling ServicesMIL-G-51491A( EA) toggle valve and gas tank drain cock simultaneously and drain system. fuel filter bowl, empty it, and replace. Close all valves. Reconnect flexible fuel line and air pressure line to engine head assembly. Secure fuel tank cap. Close and latch
14、front cover. Remove (b) Hinges, draw bolt (latch and catch) and hasp. areas with P-9 preservative oil in accordance with MIL-P-116. Treat functional Work items dur- ing application to insure penetration. Wipe off all excess oil. 5.1.1.2 Repainting. Damaged portions of painted surfaces shall be treat
15、ed and painted in accordance with MIL-STD-171 finish 20.24, color forest green. 5.1.1.3 Unit packing. (a) Strainer guard. Wrap strainer guard assembly in MIL-B-121, type 2, grade A, class 2, greaseproof wrap, size 6 by 12. Wrap so.that length of-wrap runs with length of hose. in one place using PPP-
16、T-60 tape, size 2 by 6 (3 pieces). to any metal parts. Secure wrap to itself in two places and hose Do not attach tape (b) Exhaust hose. Plug the exhaust hose using a MIL-C-5501/7 Dash NO-Fl3 plug. (c) Nozzle(s). Plug the nozzle openings using plugs conforming to MIL-C-5501/7 Dash No-F22. (d) Access
17、ories, tools, repair parts and mount nuts and bolts. Examine tool box to insure all contents are present, packaged and properly located in accordance with Drawing 31-15-1435. lead seal (MS 51938-5). Secure carrying handles, 4 each, in the retracted position with 4 pins by aligning holes. Close latch
18、 and secure with a 5.1.2 Level B. Preservation and unit packing shall be as specified in 5.1.1. 5.2 Packing. The level of packing shall be as specified in the contract or purchase order (see 6.1). 5.2.1 Level A. The smoke generator and its accessories, tools, repair parts, and technical publication,
19、 preserved and unit packed as specified in 5.1.1 shall be packed as shown on Drawing 31-15-1420. 5.2.1 Level B. The smoke generator and its accessories, tools, repair parts, and technical publication, preserved and unit packed as specified in 5.1.1 shall be packed as shown on Drawing 31-15-1420. 5.3
20、 Marking. In addition to any special marking required by the contract or order, unit packages shall be marked in accordance with MIL-STD-129. The ship- ping containers shall be marked in accordance with Drawing 31-15-1419. 12 Licensed by Information Handling Servicesm - - - -_p- MIL-G-5L49LA LO 9999
21、906 0334263 4 .- -* I MIL-G-51491A( EA) 6. NOTES 6.1 Ordering data. Acquisition documents should specify the following: (a) (b) (c) Preproduction: Title, number and date of this specification Level. of preseruation, packaging and packing required (1) (2) Time allowed for contractors to submit sample
22、s for Government Name and address of test facility and shipping instructions test and evaluation after award of contract. when testing is performed by the Government. whether to proceed with production. (3) Time required for the Government to notify the contractor 6.2 Repair parts packaging. When re
23、pair parts packaging and packing is required for items authorized for stocking as repair parts, the repair parts data sheets covering the applicable components of the smoke generator should be used. (Copies of repair parts packaging data sheets may be obtained from Commander, U.S. Army Chemical Rese
24、arch, Development and Engineering Center, AWN: SMCCR-SPD-PP , Aberdeen Proving Ground, MD 21010-5423 ) . 6.3 Assembly. smoke generator: The following specification is used in the assembly of the MIL-P-51062 - Pump, Fog Oil, Smoke Generator, M4. Custodian: Army - EA Preparing activity: Army - EA Project No. 1040-Al77 13 Licensed by Information Handling Services
