1 MLS Introduction March 2005 ArvinMeritor Confidential Multiple Lip Seal MLS Introduction March...
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Transcript of 1 MLS Introduction March 2005 ArvinMeritor Confidential Multiple Lip Seal MLS Introduction March...
1
MLS IntroductionMarch 2005
ArvinMeritor Confidential
Multiple Lip SealMLS Introduction
March 2005
2
MLS IntroductionMarch 2005
ArvinMeritor Confidential
Multiple Lip Seal (MLS)• The New Meritor MLS seals will be introduced starting
March 7th, 2005 at ARM assembly plants
• Axle models/positions affected are:• 14X, 16X, 18X & 38X Forward Rear Drive Axle Input (FUI Position)
• 14X and 16X Forward Rear Drive Axle Output (FUO Position)
• 14X, 16X and 18X Rear Rear Drive Axle Input (RUI Position)
Axle Model and Position
Seal Service Part No.
Previous Seal Part No.
Seal Drivers
Sleeve Drivers
14X/16X/18X/38X Forward-Rear Input
(FUI) A1-1205X2728 A-1205R2592 2728T1 2728T2
14X/16X Forward-Rear Output
(FUO) A1-1205Y2729 A-1205P2590 2729T1 2729T2
14X Rear-Rear Input
(RUI) A1-1205Z2730 A-1205N2588 2730T1
Not Required Sleeve is unitized
16X/18X Rear-Rear Input
(RUI) A1-1205A2731 A-1205Q2591 2731T1
Not Required Sleeve is unitized
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MLS IntroductionMarch 2005
ArvinMeritor Confidential
FUI Position145, 160 and 185
Forward Rear Drive Axle Input
• FUI and FUO positions are soft unitized (two piece seal with seal and running sleeve combination) and will require a running sleeve to be pre-positioned on the yoke prior to yoke installation to the shaft.
• FUI and FUO sleeves eliminate the requirement for internal seal locators/stops to set the position and preload of dirt excluder lips. Internal locators generate heat and debris which can affect long term seal life.
A-1205-X-2728 Seal
A-1199-U-4025 Sleeve
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MLS IntroductionMarch 2005
ArvinMeritor Confidential
FUO Position145, 160
Forward Rear Drive Axle Output• Sealant Bead on Seal O.D.• Two Piece Seal Construction
• Seal in Bore, Sleeve on Yoke
• Deflector Integrated into Running Sleeve• Improved Contaminant Exclusion
• Radial Lips vs. Axial Lips • To Handle Endplay• On Stationary Member –
Not affected by Centrifugal Force
• Multiple Exclusion Lips with Vents to Prevent Internal Vacuum
• Premium Fluoroelastomer Material• Broad Temperature Operating Range• Excellent Abrasion Resistance and
Wearability
• Steel-on-Steel Contact Between Yokeand Seal Running Surface
• Improved Heat Dissipation• Better Alignment
• Elimination of Contact Bumpers Between Stationary & Rotating Elements
• Eliminates Heat and Wear During Break-in
A-1205-Y-2729 Seal
A-1199-V-4026 Sleeve
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MLS IntroductionMarch 2005
ArvinMeritor Confidential
FUO Position 145/160/185
Forward Rear Drive Axle OutputSOFT UNITIZED
A-1205-Y-2729 Seal
A-1199-V-4026 Sleeve
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MLS IntroductionMarch 2005
ArvinMeritor Confidential
RUI Position 145/160/185
Rear Rear Drive Axle Input
A-1205-Z-2730145 Seal
A-1205-A-2731160/185 Seal
• The RUI seal position is fully unitized as current so the assembly procedures will not change from current when installing the yoke. Internal locators/stops are not present in this seal position as well.
• With the RUI position, the outer bearing adjacent to the yoke is positioned with bearing backface (large end) against the yoke so the sleeve can be located with the bearing. The bearing arrangement is different for the FUI and FUO positions therefore the sleeve must be assembled to the yoke.
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MLS IntroductionMarch 2005
ArvinMeritor Confidential
RUI Position 145/160/185
Rear Rear Drive Axle InputFULLY UNITIZED
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MLS IntroductionMarch 2005
ArvinMeritor Confidential
MLS Test Info
• Lab Testing • Mud Slurry Testing Successfully Completed
• Drip Slurry Testing Successfully Completed
• Hot Oil Durability Testing– Excellent Results – Still Running
• Dust Testing – Excellent Results – Still Running
• Torque Testing Successfully Completed
• Cold Testing Successfully Completed
• Installation Tests Successfully Completed
• Spring Pop Off Tests Successfully Completed
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MLS IntroductionMarch 2005
ArvinMeritor Confidential
MLS Test Info
• Field Testing• 100 Vehicle Installations for All Seal Positions on RT145
• Dec 03 - April 04 install
• 6 Installations on RS160• July 04 install
• Two Issues to Date – Not Seal Related • Incompatible Top off Fluid
• Loose Yoke Nut
• RT145 Data 118k Mile Average/Vehicle• 26k min, 213k max
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MLS IntroductionMarch 2005
ArvinMeritor Confidential
• Field Service Tool Kit (Kit 4463) contains:• Tech Bulletin (TP-0446) with Field Installation Procedures• Seal Drivers• Location Decal (TP-0464)• Installation CD (TP-0531)
MLS Field Service Kit
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MLS IntroductionMarch 2005
ArvinMeritor Confidential
• ARM Manufacturing Implementation Plans• Set – March 7th, 2005 Implementation
• PIL• Complete
• PIL 430
• Aftermarket Seal Availability• Available through Florence &
Brampton
• Product Profile• Available
• SP-0537
Multiple Lip Seal (MLS)Introduction