1、This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2015 by Navistar, Inc. OCTOBER 2015 Page 1 of 7 NAVISTAR, INC. Material, Parts, and Process Specification
2、s (MPAPS) NUMBER: MPAPS F-6032 Former Designation: TMS-6032 TITLE: Hose, Fuel and Oil Resistant, Low Pressure CURRENT REV No.: 1510 DATE: OCT. 2015 WRITTEN/EDITED BY: M. Ghaddar APPROVED BY: R. Goluch SUPERSEDES: 1310 Oct. 2013 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION Th
3、is specification may involve hazardous materials, equipment, and procedures. This specification does not purport to address all of the safety issues associated with its use. The user is responsible to consult appropriate safety and health practices and to determine the applicability of regulatory li
4、mits prior to use. Change Notice: Added Note after Table 1. Switched format to MPAPS 1.0 APPLICATION This specification covers fuel and oil resistant, fabric reinforced rubber hose suitable for use with diesel fuel, oil, or power steering fluid hoses with clamped joints or fitted connections. If Typ
5、e is not specified on the Engineering drawing, Type I shall be supplied. Type II is no longer available and shall be replaced by Type VI per MPAPS F-6016 unless Engineering approves use of Type I material. 2.0 SCOPE This specification covers the general requirements, labeling/identification, propert
6、y and performance requirements, qualification, and source approval and quality control. 2.1 Restricted Chemical Substances Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 specification. 3.0 REFERENCE DOCUME
7、NTS Unless otherwise specified the latest issue of all referenced standards shall apply. The following specifications, standards, and regulations are referenced in this specification. Quality System Standard ISO 9001 or TS-16949 NAVISTAR TMS-6811 SAE J1019 CFR Title 29, Part 1910 NAVISTAR MPAPS F-2
8、ASTM D 380 NAVISTAR Manufacturing Std. MS-D-13 NAVISTAR MPAPS-9543 ASTM D 471 NAVISTAR MPAPS A-0, Parts I and II NAVISTAR MPAPS F-6016 ASTM D 622 NAVISTAR MPAPS A-40 SAE J20 ASTM D 2137 NAVISTAR CEMS C-3 SAE J30 ASTM D 3884 NAVISTAR MPAPS B-50 SAE J246 ASTM G 154 NUMBER: MPAPS F-6032 TITLE: Hose, Fu
9、el And Oil Resistant, Low Pressure REVISION: 1510 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2015by Navistar, Inc. OCTOBER 2015 Page 2 of 7 4.0 GENE
10、RAL REQUIREMENTS 4.1 Hose Construction 4.1.1 Type I This hose shall consist of a smooth-bore tube of butadiene/acrylonitrile copolymer compound, reinforced with one ply of braided, knit or woven polyester fiber yarn or two ply counter directional helically wound yarn (polyester or aramid fiber) and
11、covered with a suitable heat, fuel, oil, and ozone resistant synthetic elastomer. This hose is available as either bulk, straight hose or as formed (curved) hose and may be assembled with either clamps or with crimped hose fittings. 4.1.2 Type II Type II is no longer available and shall not be speci
12、fied on new engineering prints. Current requirements specifying Type II shall use TYPE VI per MPAPS F-6016. 4.2 Fittings - Reference SAE J246 The hose fittings shall have permanently attached ends of brass or coated steel. 4.2.1 Brass UNS No. C36000 (Half hard), C34500, or C35000 for bar or extruded
13、 stock, or C37700 for forgings per CEMS C-3. 4.2.2 Steel Shall meet the requirements of Code 0-115 per MPAPS A-0, Part II. Flareless type ferrules shall be made from steel 1008, 1010, 1112, or 12L14 per MPAPS A-0, Part I, and shall be case hardened Class 3 or Class 3A per MPAPS A-40, Section A. 4.3
14、Dimensions and Tolerances Unless otherwise specified, hose shall meet the dimension and tolerance requirements shown in Table 1 (Type I Bulk Hose) and Table 2 (Type I Formed Hose). TABLE 1: DIMENSIONS TYPE I (Bulk Hose) Nominal ID Inside Diameter Outside Diameter Part Number inches in. (mm) in. (mm)
15、 Production - Parts 5/32 .156.016 3.97.4 .366.024 9.3.6 L2643540 - 2643540R1 3/16 .188.016 4.76.4 .406.02410.3.6 L2643541 - 2643541R1 7/32 .219.016 5.56.4 .445.024 11.3.6 L2643542 - 2643542R1 1/4 .232.016 5.9.4 .482.024 12.25.6 L2643543 - 2643543R1 5/16 .281.0167.14.4 .531.024 13.5.6 L2643544 - 2643
16、544R1 3/8* .354.016 9.0.4 .605.024 15.37.6 L2643545 - 2643545R1 1/2* .472.02312.0.58 .799.031 20.3.8 L2643546 - 2643546R1 5/8 .595.03115.1.79 .969.031 24.62.8 L2643547 - 2643547R1 3/4* .724.03118.4.79 1.116.031 28.35.8 L2643655 - 2643655R1 1* .968.03124.6.79 1.374.039 34.91.0 L2643623 - 2643623R1 *
17、Preferred (Standard) sizes for use in new design. NOTE: For formed hoses with expanded ends, the wall thickness of the expanded end should be 4.0 0.8mm for hose ID sizes between 9.0mm and 25.4mm. NUMBER: MPAPS F-6032 TITLE: Hose, Fuel And Oil Resistant, Low Pressure REVISION: 1510 This document is r
18、estricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2015by Navistar, Inc. OCTOBER 2015 Page 3 of 7 TABLE 1-A: DIMENSIONS TYPE I (Bulk Hose Alternative Dimensions) Nominal ID I
19、nside Diameter Outside Diameter Part Number inches in. (mm) in. (mm) Production - Parts 1/2 .472.01612.0.4 .752.016 19.1.4 L2643546 - 2643546R1 3/4 .724.01618.6.4 1.026.014 26.06.35 L2643655 - 2643655R1 1 .968.01624.6.4 1.374.039 34.91.0 L2643623 - 2643623R1 TABLE 2 - LENGTH TOLERANCES (Formed Hose)
20、 Dimension Straight Hose Arm Length Mm in mm in mm in 0-150 0 - 6 3.2 .12 4.0 .16 150-300 6 - 12 +9.7, -4.8 +.38, -.12 6.4 .25 300-610 12 - 24 +9.7, -4.8 +.38, -.19 7.2 .28 610-1000 24 - 36 +12.7, -6.4 +.50, -.25 9.7 .38 over 1000 over 36 2% 2% 2% 2% Inside Diameter - Same as Bulk Hose See Table 1 4
21、.4 Property And Performance Requirements All tests shall be in accordance with ASTM D 380 or ASTM D 622 as appropriate unless otherwise specified. 4.4.1 Original Properties Tensile Strength: Tube and Cover: 8.0 MPa (1160 psi) minimum Elongation: Tube and Cover: 200% minimum Adhesion: All plies: 1.0
22、N/mm (6 lbf/in) width minimum Burst Strength: All sizes: 2.0 MPa (290 psi) minimum. Assembly Tensile Strength: All Sizes: 145 kN (325 lb) minimum - crimp only. 4.4.2 Cold Flexibility 4.4.2.1 Method Perform test on virgin (unaged) hose, on heat aged hose (see Method 2 under Section 4.4.4.2), and on f
23、luid aged hose (see Method 1 under “Fluid Resistance”); perform Cold Flexibility test per SAE J30 Method for SAE30R7 hose. 4.4.2.2. Required The hose shall not show any cracks, checks, or breaks in the tube or cover. Shall pass a proof test hold 1.0 MPa (145 psi) pressure for 30 seconds without leak
24、age or failure. 4.4.3 Vacuum Collapse 4.4.3.1 Method 4.4.3.1.1 Install a 45 cm (18 in) length of hose on a test fixture. The test fixture shall hold both ends rigidly with the hose suspended between the ends. 4.4.3.1.2 Measure the OD at several locations and mark these locations. 4.4.3.1.3 Heat soak
25、 hose and fixture in a forced convection oven, 4 hours at 125 2C (257 5F). NUMBER: MPAPS F-6032 TITLE: Hose, Fuel And Oil Resistant, Low Pressure REVISION: 1510 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards.
26、 Suppliers are required to assume all patent liability. 2015by Navistar, Inc. OCTOBER 2015 Page 4 of 7 4.4.3.1.4. Apply a vacuum of 81 kPa (24 inches of Hg) for sizes less than 12.7mm (1/2 inch) ID; 34 kPa (10 inches of Hg) for sizes 12.7 mm to 25.4 mm (1/2 to 1 inches) ID; and 10 kPa (40 inches of
27、water) for sizes greater than 25.4 mm (1 inch) ID for a min of 15 seconds and max of 60 seconds. 4.4.3.1.5 Measure the OD at the marked locations while under vacuum. 4.4.3.2 Required Diameter shall not decrease by more than 20% during application of a vacuum. 4.4.4 Aged Properties 4.4.4.1 Method - 1
28、 Expose sample for 600 hours at 125 2C (255 5F), while wrapped 180 over a mandrel with a diameter of 10X the nominal OD. After exposure, remove and slowly straighten (taking 4 to 8 seconds). 4.4.4.1.1 Required: Sample shall show no cracks, charring or disintegration externally or internally. 4.4.4.2
29、 Method - 2 Expose samples for 70 hours at 1252C (2555F) 4.4.4.2.1 Required: Hose: Pass cold flexibility; See Section 4.4.2 Tube and cover: Tensile change -20% max Elongation change -60% max Hardness change -5, +20 pts 4.4.5 Kink Resistance - Bulk Hose Only Same as SAE J30 for SAE30R7 hose. For hose
30、 I.D. greater than or equal to 5/8”, use Table 3 below. TABLE 3 Nominal Hose ID. In. (mm) Hose Inside Diameter In. (mm) Hole Center Distance In. (mm) Hole Diameter In. (mm) Hose Length 5/8 (15.88) .625 (16) 5.90 (150) 1.14 (29) 12 (304.8) 3/4 (19.05) .725 (19) 6.89 (175) 1.26 (32) 18 (457.2) 1 (25.4
31、) 1.00 (25) 9.84 (250) 1.61 (41) 24 (609.6) 4.4.6 Fluid Resistance 4.4.6.1 Method Immerse tensile samples for 70 hours in the specified test fluids at the indicated temperatures: 4.4.6.1.1 IRM 903 oil (per ASTM D 471) at 125 2C (255 5F). 4.4.6.1.2 #2 Diesel Fuel at 23 2C (73 3.6F). 4.4.6.1.3 Power s
32、teering fluid (per TMS-6811) at 125 2C (255 5F). 4.4.6.1.4 Measure reduction in tensile strength and elongation and volume change of tube and cover within 1 hour after removal from the fluid. 4.4.6.1.5 Required Tube Cover Hardness Change 10 pts 20 pts Tensile strength reduction 30% maximum 50% maxim
33、um Elongation reduction 40% maximum 50% maximum Volume change -5 to +15% 0 to +60% Cold flexibility (Type 1 only) Pass NUMBER: MPAPS F-6032 TITLE: Hose, Fuel And Oil Resistant, Low Pressure REVISION: 1510 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without pe
34、rmission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2015by Navistar, Inc. OCTOBER 2015 Page 5 of 7 4.4.7 Ozone Resistance - Same as SAE J30 for SAE30R7 hose. 4.4.8 Temperature Cycling 4.4.8.1 Method Test per SAE J1019 Temperature Cycling Test except as
35、 indicated in Section 4.4.8.1.1. 4.4.8.1.1 Obtain production fittings and/or clamps as appropriate. Assemble hoses and fittings as specified for a production assembly. Where applicable, each hose fitting shall have a sight hole drilled into the fitting at the point where the hose end bottoms out. Ea
36、ch assembly shall be at least 150mm (6 inches) long and there shall be at least 6 assemblies per coupling type based on hose nipples. For instance, crimp assemblies shall require only 6 sets per size as the nipple is constant regardless of terminal end configuration. But, clamped joints will require
37、 six sets of each nipple/clamp combination since the nipple may change by connection. Weigh assemblies empty. Fill the assembly with the specified fluid and reweigh. Assemble to an air manifold in a controllable environmental chamber. Pressurize assemblies to 340 kPa (50 psi) and cycle as specified
38、except that the maximum temperature shall be 125 C. 4.4.8.2 Required No visible fluid leakage is permitted during the test. Minor air leakage around the end fittings or due to air entrapment in the braid is permitted. Final weight measurements shall not have more than a 3% fluid weight loss. Assembl
39、ies shall pass a Proof test without leakage. 4.4.9 Performance Requirements for Labeling These tests requirements are to assure that any labeling or marking on the hose is durable enough to last through the warranty period of the part that the labeling is being applied to 4.4.9.1 QUV Test (100 hour)
40、 4.4.9.1.1 Test Method: Perform test per ASTM G 154 (FS-40 bulbs) with the following test cycle: 8 hours ultraviolet light - 4 hours condensing humidity - Repeat until 100 hour exposure is complete 4.4.9.1.2 Required: No visible sign of degradation 4.4.9.2 Abrasion Resistance 4.4.9.2.1 Method: Test
41、per ASTM D 3884 (RPDH). Use CS-10 wheel, 250 gram load, 100 cycles. 4.4.9.2.2 Required: Labeling or marking must not smear and must remain legible as compared to the go / no go picture described in section 7.1.1.4.1. 5.0 QUALITY All product supplied shall be clean and free from dirt, oils, sharp edg
42、es, or defects harmful to product performance. Parts and assemblies shall meet the cleanliness requirements of CEMS F-2. All rubber debris from cutting and processing shall be removed. Any internal release agents shall be flushed from the inside of the hose. There shall be no fabric or flash exposed
43、 on the ID of the hose. Parts shall be free of voids and/or reinforcement splices. 5.1 Qualification Material and processes submitted for approval to this specification shall include the following: 5.1.1 Report: A detailed and signed test report documenting testing to this specification prepared as
44、per TMS-9543. The report will include actual test data not merely test summaries. 5.1.2 Failure Modes: Test samples or photographs showing failure modes for each destructive test. 5.1.3 Test Procedure: The procedure used for preparing, curing and assembling materials for test. 5.1.4 Analysis: A deta
45、iled analysis of the test results including assumptions made, unexpected results and an explanation of any non-compliant results. NUMBER: MPAPS F-6032 TITLE: Hose, Fuel And Oil Resistant, Low Pressure REVISION: 1510 This document is restricted and may not be sent outside Navistar, Inc. or reproduced
46、 without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2015by Navistar, Inc. OCTOBER 2015 Page 6 of 7 6.0 SOURCE APPROVAL AND QUALITY CONTROL 6.1 Supplier Requirements All suppliers to NAVISTAR are required to be registered to ISO 9001 Quality
47、System Requirements. NAVISTAR will also accept TS-16949 registration as long as the supplier can also fulfill all AIAG PPAP (Production Part Approval Process) documentation and approval requirements. Suppliers must maintain their certification with an accredited registrar and must furnish copies of
48、registration certificates to their Corporate Buyer upon request. 6.2 Approval Parts supplied against contracts or purchase orders citing this specification shall be equivalent in all respects to those samples that were approved by the purchaser. No changes in formulation or processing practices are permitted without approval. In the event that changes in material, properties, processing practices, construction, color, or labeling of the product are required, the supplier shall notify NAVISTAR Materials Engineering and Purchasing and Supplier Development of the proposed change(
