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    ARMY MIL-STD-342-1988 FLOW CHECK LUBRICATING OIL PROCEDURE FOR《机油流速检查》.pdf

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    ARMY MIL-STD-342-1988 FLOW CHECK LUBRICATING OIL PROCEDURE FOR《机油流速检查》.pdf

    1、li MILITARY STANDARD FLOW CHECK, LUBRICATING OIL; PROCEDURE FOR MIL-STD-342( AT) 26 Mav 1988 SUPERSEDING (see 6.3) I AMSC NIA AREA QCIC DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS 16 PAGES. Provided by IHSNot for ResaleNo reproduction or n

    2、etworking permitted without license from IHS-,-,-MIL-STD-3Y2 dC W 9999733 00b0024 O 9 DEPARTMENT OF DEFENSE Washington, DC 20301 Flow Check, Lubricating Oil; Procedure for 1. This Military Standard is approved for within the US Army Tank-Automotive Command, Department of the Army, and is available f

    3、or use by all Departments and Agencies of the Department of Defense. 2. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U Army Tank-Automotive Command, ATTN: AMSTA-GDS, Warren, MI 48397-5000, by

    4、 using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. ii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-STD-3q2 QC W 77777LL 0060025 2 9 MIL-STD-342( AT) FORE

    5、WORD This standard provides the means for checking the oil flow through the AGT 1500 engine. i ii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Paragraph 1 . 1.1 2 . 2.1 2.1.1 2.2 2.3 3 . 4 . 4.1 4.1.1 4.1.2 4.1.4 4.1.3 5 . 5.1 5.2 5.3 5.4 5.46 1 5

    6、.4.2 5.4.3 5.4.4 f 6. 6.1 6.2 6.3 Table I . CONTENTS SCOPE scope 1 1 DEFINITIONS (Not applicable). GENERAL REQUIREMENTSar.,. Equipment . Flow-checking medium Flow bench Pressure gage . Lines. fittings. and fixtures . DETAILED .QUIIIE.NTS Preliminary precautions . Configuration . Procedure . Pressure

    7、 gage location Flow reading Flow check test . Residual magnetism Flow rate. pressure. and temperature 3 NOTES Intended use Subject term (key word) listing . Supersession data . TABLE Flow check requiLements. . IV 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license

    8、from IHS-,-,-MIL-STD-3q2 QC W 7777733 0060027 b MIL-STD-342( AT) 1. SCOPE 1.1 Scope. This standard covers a standard procedure for checking the oil flow through parts, subassemblies, and assemblies of the AGT 1500 engine. 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without

    9、 license from IHS-,-,-I- MIL-STD-392 QC - 77777ltl 0060028 8 - 2. REFERENCED DOCUMENTS 2.1 Government document. 2.1.1 Specification. Unless otherwise specified, the following specification of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) s

    10、pecified in the solicitation forms a part of this standard to the extent specified herein. SPECIFICATION MILITARY MIL-L-23699 - Lubricating Oil, Aircraft Turbine Engine, Synthetic Base. (Copies of specifications required by contractors in connection with specific acquisition functions should be obta

    11、ined from the contracting activity or as directed by the contracting officer.) 2.2 Other publication. The following document forms a part of this standard to the extent specified herein. Unless otherwise specified, the issue of the document which is DOD adopted shall be that listed in the issue of t

    12、he DODISS specified in the solicitation. The issue of the document which has not been adopted shall be that in effect on the date of the cited DODISS. AVCO LYCOMING DIVISION 91547-LTCT5398 - Spray Fixture, /Il Bearing Housing. P6828 - Residual Magnetism Inspection. * (Application for copies should b

    13、e addressed to the US Army Tank-Automotive Command, ATTN: AMSTA-GDS, Warren, MI 48397-5000.) 2.3 Order of precedence. In the event of a conflict between the text of this standard and the references cited herein, the text of this standard shall take precedence. 2 Provided by IHSNot for ResaleNo repro

    14、duction or networking permitted without license from IHS-,-,-c 1 MIL-STD-342 QC 77779LL O060029 T MIL-STD-342(AT) 3. DEFINITIONS (Not applicable) .3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-342 dC 7779731i OObO030 b M MIL-STD-3421AT) 4

    15、. GENERAL REQUIREMENTS 4.1 Equipment . 4.1.1 Flow-checking medium. The flow-checking medium shall be oil conforming to MIL-L-23699. 4.1.2 Flow bench. The flow bench shall be calibrated for and capable of The flow measurement shall be accurate to flowing oil up to 5x0 pounds per hour (pph) at a fluid

    16、 temperature of 95 to 100 degrees Fahrenheit (OF). within plus or minus (+) - 2 percent (%). 4.1.3 Pressure gage. The pressure gage shall be a suitable aircraft type, calibrated to 100 pounds per square inch gage (psig) and having an accuracy of f 1%. 4.1.4 Lines, fittings, and fixtures: a. Lines an

    17、d fittings. Suitable aircraft-type lines and b. Fixtures. When required, suitable fixturing shall be used fittings shall be used. for parts, subassemblies, and assemblies being flow checked. NOTE: No restriction smaller than the inside diameter of the inlet port shall be allowed. 4 Provided by IHSNo

    18、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-5. DETAILED REQUIREMENTS 5.1 Preliminary precautions. Before flow checking parts, subassemblies, and assemblies, the following precautions shall be observed: a. Check for residual magnetism. Magnetism shall not exceed b

    19、. C. All assembly requirements, such as the installation of three (3) gauss. All oil holes, grooves, and passages shall be clean and free of burrs . O-rings and seals, correct bolt torques, and bearing pinch, shall be met. mandatory. The locking of bolts, nuts, etc. shall not be 5.2 Configuration. P

    20、arts, subassemblies, and assemblies requiring a flow check shall be as specified in table I by part number and description. - 5.3 Flow rate, pressure, and temperature. Flow rate, pressure, and temperature requirements for parts, subassemblies, and assemblies requiring a flow check shall be as specif

    21、ied in table I. The pressures listed in table I shall be considered as actual part, subassembly, and assembly inlet port pressure requirements. 5.4 Procedure. 5.4.1 Pressure gage location. The pressure gage (see 4.1.3) shall be located within 1 inch of the inlet port of the part, subassembly, or ass

    22、embly being flow checked or on the fixture being used. 5.4.2 Flow readina. The flow reading shall be obtained under the conditions specified in table I. The part, subassembly, or assembly shall be verified to meet the specif ied flow requirements . 5.4.3 Flow check test. All parts, subassemblies, an

    23、d assemblies shall be tested as follows: a. Determine the pressure drop across the inlet fixturing (section of line, fitting, or fixture after pressure gage). Increase the inlet pressure by the amount equal to the pressure drop ( P). Record the flow measured with the pressure specified in table I at

    24、 the part, subassembly, or assembly. Alternately apply an oil pressure of 100 and zero psig to shock the lubrication system and to dislodge any contaminants in the feed lines. Repeat the shock cycle not less than five times . b. C. 5 Provided by IHSNot for ResaleNo reproduction or networking permitt

    25、ed without license from IHS-,-,-MIL-STD-342( AT) d. Repeat the flow check as specified in step b. flow from that recorded in step b initially is a sign of contamination present and is cause for a contamination removal procedure. The oil flow recorded in step b and repeated in step d shall conform to

    26、 table I. Any change in e. 5.4.4 Residual magnetism. Check for magnetism in accordance with P6828 to verify conformance with 5.1, step a. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-342( AT) 6. NOTES 6.1 Intended use. The procedure cove

    27、red by this standard is intended to be used to insure AGT 1500 engines meet prescribed lubrication flow requirements. 6.2 Subject term (key word) listing. AGT 1500 engine Flow check Lubricating oil 6.3 Supersession data. This standard specification no. E0121G, dated 20 January supersedes AVCO Lycomi

    28、ng Division 1987 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Part number 12286049 (91547/3-060-001-23; 12284355 (91547/3-060-001-28) 12284312 (91547/3-060-020-04) 12286059 (91547/3-060-020-02) No Number See Description No Number See Description

    29、 12286227 (91547/3-106-35OXOl) TABLE I. Flow check requirements. - DescriDtion Housing, Inlet, 111 Bearing l/ When the following housing is used : 12286049 (Rev A-T) 1 Jet 0.035-0.037 12286049 (Rev U) &/ 1 Jet O. 035-0.037 1 Jet 0.023-0.026 Housing, Inlet-, 111 Bearing - i/ 1 Jet 0.035-0.037 1 Jet O

    30、. 023-0.026 Liner Assembly, #l Bearing 2/ 1 Jet 0.023-0.028 Total Flow Check !Il Bearing Package i/ 12286049 (Rev A-T) and 12284312 #i Bearing Package 4/ When assembled with-12284312 and either of the following: 12286049 (Rev U) - 81 or 12284355 f2 Bearing Housing Assembly dhen assembled with either

    31、 of the following housing details: 12286217 (91547/3-100-213-01 Rev A-R) 1227 1143 (91547/3-100-213-03 Rev A-I) 3 Jets 0.020-0.024 3 Supply Ports 0.050 8 Flow rate (PPh) 80-100 125-170 - 125-170 35-70 4 3/ 115-170 145-240 85-130 Pres surt o_ 75 75 75 - 75 75 75 75 75 . , Temp XEL 95-1OC 95-1OC 95-10

    32、0 95-100 35-100 95-100 95-100 95-100 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-f c a a a MIL-STD-342(AT) TABLE I. Flow check requirements - Continued. Part number 12286323 (91547/3-106-35OXOl) No Number See Description Description 12286217 (Rev

    33、. T) 8/ 12271143 (Rev J) 8/ 3 Jets 0.020-0.024 1 Supply Port 0.090 2 Supply Ports 0.050 #3 Bearing Housing Assembly When assembled with any of the following housing details: 12286322 (91547/3-106-082X03 Rev A-V) 12271 144 (91547/3-106-082-07 Rev A-G) 12286322 (Rev W-AA) 12271144 (Rev H-L) 2 Jets 0.0

    34、20-0.024 1 Jet O. 029-0.033 12286322 (Rev AB) 8/ 12271144 (Rev M) 87 2 Jets 0.020-O.OT4 1 Jet O. 029-0.033 Supply Ports 0.090 f3 Bearing Package - 5/ Ref 1 230 2 39 2 (91547/3-105-250-27) and 12286302 (91547/3-105-220-22) or 12286323 dhenassembled with any of the Eollowing housing details: 12286322

    35、:91547/3-106-082X03 Rev A-V) :91547/3-106-082-07 Rev A-G) 12271144 . Flow rate ( PPh) 95-150 75-125 120-160 125-190 305-410 Pressurc (psig) 75 75 75 75 75 Temp (OF) 95-100 95-100 95-100 95-100 95-100 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-

    36、MIL-STD-342(AT) TABLE I. Flow check requirements - Continued. Part number No Number See Description 12286451 (91547/3-130-370-19) 12271477 (91547/3-140-060-10) 12286576 (91547/3-140-800-07) I2286463 (91547/3-140-001-24) Flow rate Description ( PPh) 12286322 (Rev W-AA) 12271144 (Rev H-L) 12286322 (Re

    37、v AB) 81 12271144 (Rev M) - 87 33 5-440 340-470 1 Intermediate Housing Assembly Forward Module Level Ref 12284347 (91547/3-105-010-25) and 12286302 (91547/3-105-220-22) and 12286143 (91547/3-100-000-05) 12284347 and 12286323 and 12286227 112 and #3 Bearing Housing Jets 2 811 Bearing Jets 0.030-0.033

    38、 2 Bevel Gear Jets 0.028-0.030 1 Bevel Gear Jets 0.043-0.046 or 1 424-665 #4 Bearing Housing Assembly 360-530 2 Jets 0.040-0.045 2 Jets 0.028-0.033 1 Jet 0.031-0.036 1 115 Bearing Housing Assembly 155-195 1 Jet O. 035-0.037 3 Jets 0.022-0.024 1 Spacer Assembly, Outer 16 4 Jets 0.031-0.035 Bearing 29

    39、0-370 Power Turbine Housing k/ 135-220 2 Jets 0.025-0.030 1 Jet 0.031-0.035 Pressur (Psi?) 75 75 75 - 75 75 75 75 Temp (OF) 95-100 95-100 95-100 95-100 95-100 95-100 95-100 1 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-3Ll2 dC W 77777L

    40、L 0060037 7 W MIL-STD-342(AT) TABLE I. Flow check requirements - Continued. 12284375 (91547/3-140-010-23) I 12286045 (91547/3-020-470-03) L 12302485 (91547/3-020-470-14) 12284399 (91547/3-020-400-28) 12284475 (91547/3-020-400-31) 12284388 (91547/3-020-400-25) 12284476 (91547/3-020-400-32) Descriptio

    41、n Power Turbin Assembly W5 Bearing Housing and #6 Spacer Jets Plus 1 Jet O. 031-0.035 Bearing Carrier Assembly, Reduction A steady stream of oil shall project 3 inches from all 14 jets. Carrier Assembly, Reduction, Total Flow 6 Gear Jets 0.042-0.044 6 #8 Bearing Jets 2 Spline Jets- 0.034-0.036 O. 03

    42、0-0.032 9/ A steady stream of oil shall project no less than 3 inches from all 14 jets. Split flow, all jets blocked except the 6 gear jets. Gearbox Assembly, Reduction 6 Gear Jets 0.040-0.042 2 Spline Jets 0.034-0.036 6 Bearing Jets O. 030-0.032 2 il7 Bearing Jets 0.034-0.036 1 ill0 Bearing Jet 0.0

    43、29-0.031 Gearbox Assembly, Reduction 6 Gear Jets 0.040-0.042 2 Spline Jets 0.034-0.036 6 Bearing Jets 0.030-0.032 2 #7 Bearing Jets 0.030-0.032 1 1/10 Bearing Jet O. 029-0.031 Flow rate (PPh) 450-570 1340-1640 Visual 1275-1625 Visual 7 10-920 1400-1720 1335-1705 Pressure (Psis) 75 75 75 75 75 75 Tem

    44、p (“FI 95-100 95-100 95-100 95-100 95-100 95-100 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-342 QC 73777LL 0060038 O m TABLE I. Flow check requirements - Continued. Flow rate Pressure Temp Part number Description ( PPh) (psig) (OF) (9

    45、1547/3-080-200-15) - 12284320 Gearbox, Accessory Drive 320-385 75 95-100 71 2 15-265 - I/ - 2/ 3/ 81 bearing liner feed port blocked. 0.100 damper flow hole blocked. 0.100 damper flow and jet open. as specified in not 2/ + 45 PPH mininum (Example: then minimum total fio, is 50 + 45 i- 95 PPH.) Housi

    46、ng and liner may be flow checked as an assembly using fixture LTCT5398 or bearing outer race. and liner as details. #2 bearing feed port in housing 12302392 (91547/3-105-250-27) blocked. #5 bearing feed port blocked. Flow without jet pump. Unless otherwise specified, flow requirements apply to this

    47、and all subsequent revisions. Flow check requirement includes both total and split flow checkes. Minimum total flow is equal to jet flow L If jet flow 2/ = 50, - 4/ This does not preclude flowing housing - 5/ - 6/ - 7/ - 8/ - 9/ Custodian: Army - AT 12 -. Preparing activity: Army - AT (Project QCEC-A104) *U.& GOVERNMENT PRINTING OFFICE: I)(# - sosQw/9uU Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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