 CHUCK DRIVER SCORED AND WORN FROM LACK OF LUBRICATION IN FRONT END |
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The Drill Doctor Says |
 CHUCK PREMATURELY WORN OUT FROM LACK OF Lubrication in FRONT END. |
Always use lubricant supplied by the major oil companies such as: Petro Canada Esso shell texaco |
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 CHUCK INSERT WORN FROM LACK OF LUBRICATION IN FRONT END OF DRILL |
THESE
PARTS WERE TAKEN FROM TEN JOY SAL60M STOPER DRILLS STRIPPED
DOWN FOR EXAMINATION AFTER RUNNING ON DOUBLE ZERO (00) GREASE. A LONG LUBRICATION PORT IN
FRONT ENDS of all the drills was PLUGGED WITH GREASE. there WAS HARDENED
GREASE IN MANY OF THE DEAD SPOTS WITHIN THE DRILLs ALL DRILLS REQUIRED MAJOR REPAIRS |
 BACKHEAD OF THIS DRILL WAS FILLED WITH HARDENED GREASE. NO Lubrication was getting to the front end of this piston |
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