665/666 M2-M2 Auto Coupler Heavy Air Leaking.
Please check and Rectify. ~~~~~ 665/666-M2-M2 Auto Coupler Heavy Air Leak. Uncouple & Found Ring sealing damaged. C/o 2665 auto coupler with new Ring sealing & Cleaned coupler pins. Couple back 2665-No leak found. Performed air leak test-Ok.   Jimmy / Hariharan / Ganesan. 03.06.2024.