1、MIL-B-LIOOSBH 73 W 9979906 02qLOL7 T M pEFEn( MIL -B -40098H 26 June 1989 SUPERSEDING 30 March 1982 MIL-B-40098G MILITARY SPECIFICATION BURNER UNIT, GASOLINE, FIELD RANGE OUTFIT, M2A This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Sco
2、pe. This specification covers a burner unit designed for use with leaded or unleaded gasoline (see 6.1). 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent
3、 specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FE DE RAL QQ-N-290 - Nickel Plating (Elec
4、trodeposited) PPP-B-601 - Boxes, Wood, Cleated-Plywood PPP-B-636 - Boxes, Shipping, Fiberboard Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Natick Research, Development, and Enginee
5、ring Center, Natick, MA 01760-5014 by using the self- addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 7310 DISTRIBUTION STATEMENT A. Approved for-public release; distribution is unlimited. / THIS DOCUMENT CONTAIN
6、S !r PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-40098H 73 W 9999906 024L018 L W MIL -B -4 O0 98H MILITARY MIL-P-116 - Preservation, Methods Of MIL-B-7883 - Brazing of Steels, Copper, Copper Alloys, Nickel MIL-S-7916 - Sealing Compou
7、nd, Thread and Gasket, Fuel, Oil, MIL-C-40077 - Cabinet, Gasoline Field Range Outfit, Model 59, Alloys, Aluminum and Aluminum Alloys and Water Resistant and Cradle, Cook Pot STAN DARDS FEDERAL FED-STD-H28 - Screw-Thread Standards for Federal Services MIL LTARY MIL-STD-105 - Sampling Procedures and T
8、abies for Inspection MIL-STD-I29 - Marking for Shipment and Storage MIL-STD-130 - Identification Marking of US Military Property MIL-STD-147 - Palletized Unit Loads MIL-STD-210 - Climatic Information to Determine Design and Test by Attributes Requirements for Military Systems and Equipment (Unless o
9、therwise indicated, copies of federa1 and military specifications, standards, and handbooks are available from the Naval Publications and Forms Center, (ATTN: NPODS), 5801 Tabor Avenue Philadelphia, PA 19120-5099.) - 2.1.2 Other Government documents, drawings, and publications. The following other G
10、overnment documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRA WINGS U. S. ARMY NATICK RESEARCH, DEVELOPMENT, AND ENGINEERING CENTER 5-1 1-1225 5 - 1 1 - 1 226 5-1 1 - i228 5
11、 - 1 1 - 1227 5-11-1229 5-11-1230 5-1 T-1232 5-1 1-1236 - Burner Unit, Gasoline, Field Range Outfit, M2A; - Frame Assembly - U Tank Assembly - Bracket Assembly - Filler Cap and Air Valve Assembly - Preheater Assembly - Preheater Generator, Needle, Valve Knob and Fuel Cup Assemblies - Air Shutter and
12、 Flame Valve Knob Assemblies Assembly Complete 2 -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-40078H 73 7777706 02qlOL9 3 W MIL -B -4 O0 9 8 H 5-11-1237 - Head, Burner 5-11-1238 - Generator Assembly 5-1 1-1239 - Orifice Nut Assembly 5-11-
13、1240 - Mixing Chamber Assembly 5-11-1242 - Feed Tube Assembly 5-11-1243 5-11-1244 - Preheater Shield Assembly 5-11-1668 - Safety Device Assembly and Details - Top Shield and Spring Hook Assembly (Copies of drawings are available from the US Army Natick Research, Development, and Engineering Center,
14、Natick, MA 01760-5014.) 2.2 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless ot
15、herwise specified, the issues of documents not listed in the DODISS are the issues of the documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) B 633 - Electrodeposited Coatings of Zinc on Iron and St
16、eel !3 3951 - Standard Practice for Commercial Packaging E 18 - Rockwell Hardness and Rockwell. Superficial Hardness of Metallic Materials (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187.) (Non-Government st
17、andards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text of this document
18、 and the references cited herein, the text of this document.takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.21, a sample shall be subjected to first
19、 article inspection (see 6.3) in accordance with 4.3. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-YOOSBH 73 SSSSS0b OSY10i20 T MIL -B -4 009 8 H 3.2. Materials and components. Materials and components shall be as specified herein and on t
20、he applicable drawings. Materials and components not definitely specified shall be of the quality normally used by the manufacturers provided the completed items comply with all provisions of this specification. It is encouraged that recycled material be used when practical as long as it meets the r
21、equirements of this specification. 3.3 Design and construction. The design and construction of the burner units shall be as specified herein, and as shown on assembly Drawing 5-11-1225 and detail drawings- called out thereon , be defined as the minimum requirement for ground equipment as stated in M
22、IL-STD-210 (see 2.1). “Normal operating conditionst1 shall , 3.3.1 Brazing. All brazed joints and closures shown on the drawings, and specified herein , shall conform to MIL-B-7883. IJ tank halves , U tank fittings, and generator fittings shall conform to type II, grade B of MIL-B-7883, U tank gener
23、ator fittings shall conform to type I of MIL-B-7883. All other brazing including minor repairs to U tank halves and 3.3.2 Threads and threaded joints. All threads shall conform to FED-STD-12 8 3.3.2.1 Threaded pipe joints. All threaded pipe joints shall be sealed with a compound conforming to MIL-21
24、-7916. 3,3.3 Gage, air pressure, The air pressure gage shall be 1-1/2 inch size having a drawn steel case and bezel finished with epoxy base black enamel, The crystal shall be a heavy, flat, clear glass. The bourdon tube shall be silver brazed, in conformance with type I of MIL-B-7883, at the socket
25、 and end piece, minus 0,000 inch diameter shall be inserted in the socket. A rsstrictor screw having an orifice of 0.018 inch plus 0.0005 inch, 3.3.4 U-tank assembly, The U-tank assembly shall withstand an internal air pressure of 75 +5/-O pounds per square inch gage (psig) and shall not leak, disto
26、rt, rupture or crack when used under normal operating conditions (see 4.5.1). 3.3.5 Generators. After complete fabrication, the generators shall withstand an internal air pressure of 125 +5/-O psig, and shall not leak, distort, rupture, or crack under normal operating conditions (see 4.5.2). 3.3,6 B
27、urner unit. The assembled burner unit shall withstand an internal air pressure of 25 +5/-O psig and shall not leak under normal operating conditions (see 4.5,3). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-LIOOSBH 73 m 7777706 0243023 I m
28、 MIL -B -4 O0 98 H 3.3.7 Alignment. 3.3.7.1 Generator assembly. The generator assembly shall conform to Drawing 5-11-1238. without application of any distortion force to either the generator assembly or the burner unit (see 4.5.4.1). The generator assembly shall fit into the burner unit 3.3.7.2 Burn
29、er unit. The burner unit frame assembly shall conform to Drawing 5-11-1226. A complete generator assembly shall fit into location within the burner unit without application of any distortion forces to either the burner unit or the generator assembly (see 4.5.4.2). 3.3.7.2.1 Burner unit allignment. A
30、fter complete assembly, the burner unit shall be square within 1/16 inch when measured at any point around the frame body to ensure a proper fit into the cabinet for a Model 59 Gasoline Field Range. 3.4 Performance. The assembled burner units shall be tested for performance as specified in 4.5.5 at
31、an ambient temperature of 70 1: 100F. The preheater shall produce sufficient heat to allow the flame valve to be opened and the burner ignited from the preheater flame within a 3-minute starting period. During preheating, the pressure shall not drop more than 5 psig. Proper flame adjustment shall al
32、so be obtained in accordance with 4.5.5. 3.4.1 Safety device assembly. The safety device assembly valve shall release the tank pressure at 60 2 5 psig and shall reset and hold the pressure at 35 Sr 10 psig (see 4.5.6). 3.5 Finish. All finishes shall be as shown on the drawings and as specified herei
33、n. Corrosion-resisting steel parts shall be clean and free of dirt, scale, embedded particles, rust stains, rust pits, and other foreign matter. Appropriate treatments may be given, during or after fabrication, to obtain this surface condition. 3.5.1 Enamel finish. Surfaces to be enameled shall be c
34、lean and given one coat of gasoline-resistant, aluminum color enamel. 3.5.2 Flating. 3.5.2.1 Zinc coating. Except for fasteners, electrodeposited plating shall conform to type I, classification Fe/Zn5 Scl of ASTM B 633. Finish for fasteners shall be as specified in 3.2. 3.5.2.2 Nickel plating. Elect
35、rodeposited nickel plating shall conform to class 1, grade F of QQ-N-290. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-9008H 73 0b 02L11022 3 MIL -B -4 0098H 3.6 Marking . 3.6.1 Instruction marking. Decalcomanias containing operating and m
36、aintenance instructions as specified herein shall be affixed to the right and left of the U-tank as shown on the Drawing 5-11-1227. The words, “BURNER UNIT, GASOLINE, M2AIt1 shall be in bold type at the top of the instructions. Decalcomania with caution instructions shall be as shown on the Drawings
37、 5-1 1-1225 and 5-1 1-1242. 3.6.1 . 1 Operational instructions. The following operational instructions shall be in upper case letters except that ltOPERATING INSTRUCTIONS,11 llSAFE,ll and “CAUTION - DO NOT RELEASE PRESSURE NEAR OPEN FLAME“ shall be in bold type. OPERATIRG INSTRUCTIONS 1. CLOSE PREBE
38、ATER VALVE AND GENERATOR VALVE BY TURNING CLOCKWISE. 2. STAND BURNER UNIT IN VERTICAL POSITION, REMOVE FILLER CAP, AND FILL WITH 2-1 /8 GALLONS OF GASOLINE (LEADED OR MONLEADED) . DO NOT OVERFILL. REPLACE AND TIGHTEN FILLER CAP, FINGER TIGHT ONLY. FROM BOTTOM OF UNIT. REMOVE PREHEATER SHIELD da PLAC
39、E BURNER UNIT IN HORIZONTAL POSITION, REMOVE AIR VALVE CAP, AND ATTACH HAND PUMP. 4. PW4P BURNER UNIT UNTIL AIR PRESSURE GAGE NEEDLE INDICATES 6 TO 8 FOUNDS PRESSURE, DISCONNECT PUMP, REPLACE AND TIGHTEN VALVE CAP. 5. IN AN OPEN AREA AWAY FROM FUEL OF KITCHENS, CLEAN PREHEATER ORIFICE BY ROTATING OR
40、IFICE CLEANER CONTROL, LEAVE CONTROL IN DOWN POSITION, PLACE COUNTERCLOCKWISE, AND IGNITE, ALLOW TO BURN ABOUT 5 TO 7 SECONDS OR UNTIL THE FLAME BURNS EVENLY. OPEN PREHEATER VALVE BY TURNING VALVE KNOB FULLY COUNTERCLOCKWISE, PLACE PREHEATER SHIELD OVER PREHEATER AND GENERATOR. UNDER GOLD WEATHER CO
41、NDITIONS THE USE OF A SECOND PREHEATER SHIELD, IF AVAILABLE, WILL SHORTEN PREHEATING TIME. LIGHTED MATCH TO PREHEATER HEAD, TURN PREHEATER VALVE KNOB ONE-QUARTER TURN 6. PREIIEAT UNTIL THE FULL LENGTH OF THE GENERATOR TUBE IS HOT TO THE TOUCH. 7. OPEN FLAME VALVE COUNTERCLOCKWISE SLOWLY UNTIL FLAME
42、IS ESTABLISHED. BRNER SHOULD IGNITE BEFORE VALVE IS FULLY OPEN. 8. REMOVE PREHEATER SHIELD AND ADJUST AIR SHUTTER TO MAINTAIN A SEA GREEN COLOR. TURN PREHEATER VALVE OFF. IF PULSING SOUND IS PRESENT, PARTIALLY GLOSE FLAME VALVE UNTIL A STEADY SOUND IS HEARD AND FIRE IS BURNING EVENLY . 9. BURN FOR 1
43、5 MINUTES, THEN MOVE TO KITCHEN. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-B-4007H 73 U 7797906 0243023 5 = MIL -B -4 O09 8 H 10. ADJUST FLAME TO DESIRED HEIGHT, MAKING SURE IT IS CONTAINED DIRECTLY UNDER THE COOKING UTENSIL. 11. MAINTA
44、IN OPERATING PRESSURE WITHIN “SAFE“ OPERATING RANGE ON AIR PRESSURE GAGE DIAL. 12. IF PRESSURE ON THE GAGE READS BETWEEN 20 TO 25 PSIG, TURN FLAME DOWN TO ABOUT 1/2 SIZE AMD CONTIMUE OPERATION FOR 1/2 HOUR. IF PRESSURE PERSISTS BEYOND 25 PSI, TURN UMIT OFF, REMOVE FROM CABINET, AND ALLOW TO COOL BEF
45、ORE PLACING BACK IN OPERATION. 13. TO SHUT OFF BURNER UNIT, TURN FLAME VALVE KNOB CLOCKWISE UNTIL TIGHT. ALLOW BURNER UNIT TO COOL. AWAY FROM KITCHEN, RELEASE PRESSURE BY UPENDING UNIT AND SLOWLY LOOSEN FILLER CAP. CAUTION: DO NOT RELEASE PRESSURE NEAR OPEN FLAME. 3.6.1.2 Maintenance instruction. Th
46、e following maintenance instruction shall be in upper case letters except that “MAINTENANCE INSTRUCTIONSff and ffCAUTION: DO NOT TIGHTEN JOINTS WHILE UNIT IS UNDER PRESSUREff shall be in bold type. MAINTENANCE INSTRUCTIONS GOOD MAINTENANCE MEANS GOOD OPERATION. HAVE AT LEAST ONE SPARE GENERATOR ATTA
47、CHED. MAINTAIN A PRESSURE TIGHT UNIT BY PERIODICALLY CHECKING CONNECTIONS FOR TIGHTNESS. CAUTION: DO NOT TIGHTEN JOINTS WILE UNIT IS QNDEB PRESSURE. KEEP BURNER SLOTS CLEAN WITH BURNER SLOT CLEANER BLADE PROVIDED. WHEN PRESSURIZED MIXTURE FROM PREHEATER VALVE FAILS TO BURN CONTINUOUSLY DURING PREHEA
48、TING, PERFORM ONE OR MORE OF THE FOLLOWING STEPS: 1. CLEAN PREHEATER ORIFICE BY TURNING ORIFICE CLEANER HANDLE SEVERAL TIMES AND LEAVE HANDLE IN DOWN POSITION AND CHECK PREHEATER BY RELIGHTING. 2. CLOSE PREHEATER VALVE, UNSCREW RURNER HEAD, REMOVE PREHEATER GENERATOR ASSEMBLY, AND CLEAN OR REPLACE G
49、ENERATOR SCREEN, CHECK CLEANING NEEDLE; IF BENT OR BROKEN, REPLACE GENERATOR. REPLACE BURNER HEAD AND RELIGPT. TO CORRECT LOV FLAm ON MAIN BURNER, CLOSE AND OPEN FLAME VALVE SEVERAL TIMES TO CLEAN THE ORIFICE AND RELIGHT. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-40098H 73 993990b 024L02Y 7 MIL-B -4 O0 98H IF LOW FLAME PERSISTS ON MAIFJ BURNER: 1 . SHUT OFF UNIT. 2, ALLOW T
