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. 2016 by Navistar, Inc. APRIL 2016 Page 1 of 7 NAVISTAR, INC. Material, Parts, and Process Specifications
2、(MPAPS) NUMBER: MPAPS- F-6042 Former Designation: TMS-6042) TITLE: Brake Hose, Low Pressure, Hydraulic CURRENT REV No.: 1604 DATE: April 2016 WRITTEN/EDITED BY: G. Svidron APPROVED BY: R. Goluch SUPERSEDES: Rev. 1012 Dec. 2010 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION Thi
3、s 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 lim
4、its prior to use. Change Notice: Replacement for TMS 6042, Editorial changes 1.0 APPLICATION This specification covers low-pressure hydraulic brake hose suitable for use with DOT 3 brake fluid using clamped or fitted connections. 2.0 SCOPE This specification covers the general requirements, identifi
5、cation, property and performance requirements, 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
6、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 MPAPS F-2 ASTM B 117 NAVISTAR Manufacturing Std. MS-D-13 NAVIS
7、TAR MPAPS P-9543 ASTM D 380 NAVISTAR MPAPS C-3 CFR Title 29, Part 1910 ASTM D 471 NAVISTAR MPAPS A-0, Part I and II SAE J30 ASTM D 622 NAVISTAR MPAPS G-20 SAE J526 ASTM D 3884 MPAPS B-50 SAE J1019 ASTM G 154 SAE J1873 4.0 GENERAL REQUIREMENTS 4.1 Hose Construction This hose shall consist of a smooth
8、-bore tube of non-plasticized EPDM reinforced with one ply of braided, knit, or woven rayon yarn or two-ply counter directional helically wound rayon yarn and covered by an outside layer of non-plasticized EPDM. This hose is available as either bulk, straight hose or as formed (curved) hose and may
9、be assembled with either clamps or with crimped fittings. NUMBER: MPAPS F-6042 TITLE: Brake Hose, Low Pressure, Hydraulic REVISION: 1604 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required
10、to assume all patent liability. 2016 by Navistar, Inc. APRIL 2016 Page 2 of 7 4.2 Fittings The hose fittings shall be permanently attached ends of brass or coated steel. 4.2.1 Brass: Shall be C36000 (half hard), C34500, C35000 for bar or extruded stock or C37700 for forgings as per MPAPS C-3. 4.2.2
11、Steel: Shall meet the requirements of Code 0-115 per MPAPS A-0, Part II. Flareless type ferrules shall be made from steel meeting the requirements of Code 0-100 or Code 0-115 as per MPAPS A-0, Part II and will be zinc plated per MPAPS G-20, Class 6A. Tubing shall be per SAE J526 and will have a corr
12、osion resistant coating viable for 500 hours salt spray per ASTM B117. 4.3 Dimensions and Tolerances Unless otherwise specified, hose shall meet the dimension and tolerance requirements shown in Table 1. TABLE 1. DIMENSIONS AND TOLERANCES Nominal ID Inside Diameter Outside Diameter Inches in. (mm) i
13、n. (mm) 9/32 .281 .020 (7.16 .5) .480 .020 (12.2 .5) 5/16 .315 .020 (8.0 .5) .630 .020 (16.0 .5) 3/8 .394 .020 (10.0 .5) .709 .024 (18.0 .6) 5/8 .594 .024 (15.1 .6) .909 .024 (23.1 .6) 4.4 Property and Performance Requirements All tests shall be in accordance with ASTM D380 or ASTM D622 as appropria
14、te unless otherwise specified. 4.4.1 Original Properties Tensile Tube and Cover 8.0 MPa (1160 psi) minimum Elongation Tube and Cover 250% minimum Adhesion All Plies 2.0N/mm (11.4 lbf/in) width minimum Burst Strength All Sizes 2.0 MPa (290 psi) minimum Assembly Tensile Strength All Sizes 1.45 kN (325
15、 LB) minimum crimp only 4.4.2 Cold Flexibility 4.4.2.1 Method Perform test on unaged hose, and on brake fluid aged hose 70 hours 125 2C (257 5F); 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 c
16、over. Shall pass a proof test hold 1.0 MPa (145 psi) pressure for 30 seconds without leakage 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.
17、4.3.1.2 Measure the OD at several locations and mark these locations. 4.4.3.1.3 Heat soak hose and fixture in a forced convection oven for 4 hours at 125 2C (257 5F). NUMBER: MPAPS F-6042 TITLE: Brake Hose, Low Pressure, Hydraulic REVISION: 1604 This document is restricted and may not be sent outsid
18、e Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2016 by Navistar, Inc. APRIL 2016 Page 3 of 7 4.4.3.1.4. While still at temperature in the oven, apply a vacuum to an absolute pressure of 3 millibars (maximum
19、 pressure) all sizes. 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 Expose hose sample for 600 hours at 125 2C (255 5F), while wrapped 180 ov
20、er 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 Method - 2 Expose samples for 70 hours at 1252C (2555F) 4.4.4.2.1 Re
21、quired 4.4.4.2.1.1 Tube and cover: Tensile change = -20% max 4.4.4.2.1.2 Tube and cover: Elongation change = -60% max 4.4.4.2.1.3 Tube and cover: Hardness change = -5, +20 pts 4.4.5 Kink Resistance - Bulk Hose Only Same as SAE J30 for SAE30R7 hose, except as indicated in Table 2. TABLE 2 Nominal Hos
22、e ID. In. (mm) Hose Inside Diameter In. Hole Center Distance In. (mm) Hole Diameter In. (mm) Hose Length (per D-30) 9/32 (7.2) .280 0.50 (12.7) 0.50 (12.7) 11.8 (300 5/16 (8.0) .312 1.00 (25.4) .625 (15.9) 11.8 (300) 3/8 (10.0) .375 3.00 (76.2) .750 (19.0) 11.8 (300) 5/8 (15.1) .625 5.90 (150) 1.14
23、(29.0) 12.0 (304.8) 4.4.6 Fluid Resistance 4.4.6.1 Method Per ASTM D471 except immerse samples 168 hours in DOT 3 brake fluid at 125 2C (255 5F). 4.4.6.2 Required 4.4.6.2.1 Tube & Cover: Hardness Change = 15 pts 4.4.6.2.2 Tube & Cover: Tensile strength reduction = 30% maximum 4.4.6.2.3 Tube & Cover:
24、 Elongation reduction = 45% maximum 4.4.6.2.4 Tube & Cover: Volume change = -5 to +15% 4.4.7 Ozone Resistance 4.4.7.1 Method Three test specimens will be mounted on a mandrel 7X OD. After mounting, the specimens will be aged 168 hours 125C then exposed in the ozone chamber for 168 hours 100 pphm. 4.
25、4.7.2 Required After cooling on the mandrel, inspection of the specimens shall not reveal signs of cracking under 7X magnification. NUMBER: MPAPS F-6042 TITLE: Brake Hose, Low Pressure, Hydraulic REVISION: 1604 This document is restricted and may not be sent outside Navistar, Inc. or reproduced with
26、out permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2016 by Navistar, Inc. APRIL 2016 Page 4 of 7 4.4.8 Moisture Ingression 4.4.8.1 Method Per SAE J1873 using DOT 3 Brake Fluid 4.4.8.2 Required The brake fluid within the hose assemblies shall con
27、tain no more than 5.0% water. 4.4.9 Extractables 4.4.9.1 Method Plug one end of three 12 inch hose sections, fill with DOT 3 brake fluid, plug the other ends and place in a recirculating oven at 70C for 168 hours. Remove from oven and shake each sample vigorously for 30 seconds. Repeat oven exposure
28、 and shaking cycle twice. After the third cycle, remove hose sections from the oven and shake vigorously for 30 seconds and let hose sections cool to room temp. Analyze the brake fluid from each section using GC/MS and compare to fresh brake fluid. 4.4.9.2 Required Report observable differences. Per
29、form analysis to determine the presence of oils and plasticizers. Contact Materials Engineering for appropriate methods and labs for this work. 4.4.10 Performance Requirements for Labeling These tests requirements are to assure that any labeling or marking is durable enough to last through the warra
30、nty period of the part that the labeling is being applied. 4.4.10.1 QuV Test (100 hour) 4.4.10.1.1 Method Perform test per ASTM G-154 (FS-40 bulbs) with the following test cycle: 4.4.10.1.1.1 8 hours ultraviolet light 4.4.10.1.1.2 4 hours condensing humidity 4.4.10.1.1.3 Repeat until exposure is com
31、plete 4.4.10.1.2 Required No visible sign of degradation 4.4.10.2 Abrasion Resistance 4.4.10.2.1 Method Test per ASTM D3884 (RPDH). Use CS-10 wheel, 250 gram load, 100 cycles. 4.4.10.2.2 Required Labeling or marking must not smear and must remain legible as compared to the go/no-go picture described
32、 in section 7.1.1.4.1. 5.0 QUALITY All product supplied shall be clean and free from dirt, oils, sharp edges, or defects harmful to product performance. Parts and assemblies shall meet the cleanliness requirements of MPAPS F-2. All rubber debris from cutting and processing shall be removed. Any inte
33、rnal release agents shall be flushed from the inside of the hose. There shall be no fabric or flash exposed on the ID of the hose. Parts shall be free of voids and/or reinforcement splices. 5.1 Qualification Materials submitted for approval to this specification shall include the following: 5.1.1 A
34、detailed, signed test report documenting testing to this specification per MPAPS P-9543. NUMBER: MPAPS F-6042 TITLE: Brake Hose, Low Pressure, Hydraulic REVISION: 1604 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Sta
35、ndards. Suppliers are required to assume all patent liability. 2016 by Navistar, Inc. APRIL 2016 Page 5 of 7 5.1.2 The complete procedure used for preparing and curing materials for test, especially surface preparation (when appropriate) and condition of the test materials. 5.1.3 A complete descript
36、ion, including engineering prints and pictures of any non-standard test fixtures used. 5.1.4 Adhesive, substrate and any chemicals used for bonding where appropriate. 5.2 Submission The material test report shall be submitted to: Manager, Materials Engineering Materials Engineering and Technology De
37、pt. 10400 W. North Avenue Melrose Park, IL 60160 E-mail: MaterialsEngineeringN 5.3 Approval A report from Navistar will be issued approving new materials to this specification. Formal approval is not granted until this report has been published and the new material is listed in this specification. H
38、owever, the approval report may be used as authorization for usage of that approved material/process prior to a change to this specification. 6.0 SOURCE APPROVAL AND QUALITY CONTROL 6.1 Supplier Requirements All suppliers to Navistar are required to be registered to ISO 9001 Quality System Requireme
39、nts. 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 registration cer
40、tificates to their Navistar 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 which were approved by the purchaser. No changes in formulation or processing practices are permit
41、ted 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 Materials Engineering and Purchasing and Supplier Development of the proposed change(s). Test data indicating conform
42、ance to all requirements of this specification, test samples, and new or amended or updated Material Safety Data Sheet(s) (MSDS), in accordance with CFR Title 29, Part 1910 shall be submitted with the request for change. 6.3 Process Control The supplier shall either perform and report results of tes
43、ts on specific lots of parts produced using ISO 9001 or TS-16949 guidelines, or provide statistical evidence of the lot having been produced in a state of statistical control and with a process capable of providing all required properties. The part supplier and the plant metallurgist and/or the qual
44、ity control manager of the using NAVISTAR plant may determine testing and reporting requirements on specific products. NUMBER: MPAPS F-6042 TITLE: Brake Hose, Low Pressure, Hydraulic REVISION: 1604 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permissio
45、n from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2016 by Navistar, Inc. APRIL 2016 Page 6 of 7 7.0 SHIPPING AND IDENTIFICATION Shipping and identification shall be in accordance with Navistar Manufacturing Standard MS-D-13. When packaged for resale, contai
46、ners, packaging and identification shall be accordance with requirements set forth by the Parts Marketing Division of the Parts. 7.1 Identification Each hose shall be labeled or marked on the outer cover along the entire length of the hose at intervals of not more than 380 mm (15 inches) in a color
47、contrasting to that of the hose color, in clearly legible block capital letters not less than 3 mm (1/8 inch) high, with the following minimum information: 7.1.1 Part Number - The engineering and aftermarket part numbers, if applicable. 7.1.2 Hose Type - Identification by hose type, by application.
48、7.1.3 Size - Nominal size, i.e., diameter in fractions of an inch and/or millimeters. 7.1.4 Vendor Code* -A four-or-five-digit code assigned by Navistar to each vendor. Contact Corporate Technical Standards for assignment of codes. 7.1.5 Date Code* - The six-digit date code, with first two digits (0
49、1-12) representing the month, the second two digits (01-31) representing the day, and last two digits (03) representing the year, is the preferred method for date codes. Other methods of date code may be used by agreement between the purchaser and supplier. * Vendor Code and Date Code may be listed on a separate lay line. 7.2 Identification: Additiona
