WHY DOES MY K970CHAIN CONCRETE CHAINSAW CHAIN STRETCH SO QUICK? USING LOTS OF WATER BUT CHAIN NEVER LASTS VERY LONG BEFORE I REACH THE MAXIMUM ADJUSTMENT..CONCRETE CHAINS ARE SO EXPENSIVE LIKE 800 BUCKS FOR A CHAIN.ANYONE KNOW WHY THIS IS HAPPENING??

Garden - Husqvarna - K970 Concrete Chainsaw