M984E1 HEMTT ... wheel seal reminder.
We've come across a serious number of leaking wheel seals, NSN 5330-01-048-6240, on our fleet of M984E1 HEMTT wreckers.
After investigating, we discovered that the inner wear ring was being mistakenly installed on the wreckers' wheels. The note on Page 12-21 of TM 9-2320-279-20-2 (Apr 87 w/C4) specifically says the M984E1 does not take wear rings.
When installed, the ring damages the seal. The result is a Class III leak and damage to the brake shoes and other internal parts, not to mention a big mess on the ground.
Could you remind mechanics to leave the wear ring off when installing a new wheel seal on the M984E1?
CW2 Carlos A. Acevedo
448th Eng Bn
Camp Arifjan, Kuwait
(Editor's note: You've done a pretty persuasive job of that already, Chief. Thanks for the info!)
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|Author:||Acevedo, Carlos A.|
|Publication:||PS, the Preventive Maintenance Monthly|
|Article Type:||Letter to the Editor|
|Date:||Jan 1, 2005|
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