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Seems it doesn't hammer hard enough. Loo...




By pswedeen on May 06, 2009

" "
I recently bought a used REDHEAD rotary hammer drill 747-2. Seems like it does not hammer hard enough. Advice and repair manual. Appreciated. Thanks
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Solution #1

posted on May 15, 2009
Not Rated)

liamgill6
liamgill6

Rank: Guru 
Rating: 91%, 35 votes
piston inside tube has a o-ring on it, these wear over time.. take apart replace piston o ring. Make sure to clean out all grease from inner tube and regrease all these parts when putting back together. should hammer better.
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This Problem Also Relates To: Panasonic Drill/Driver Kit 2.4 Volt Bosch 23609 Factory-Reconditioned 9.6V Cordless BLUECORE Impactor 1/4" Fastening Driver Bosch 32609 9.6V Compact-Toughtmdrill-Driver Bosch 35614 Factory-Reconditioned 14.4V Cordless BLUECORE Brute Tough 1/2" Drill/Driver Kit Bosch 36V Litheon Drill/Driver With 2 Compact Batteries Bosch 1030VSR 7.5 Amp 3/8 Inch Drill Bosch + Sohn 23618 Cordless Drill

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