Summary of Contents for Atlas Copco Secoroc FT Series
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Secoroc Rock Drilling Tools Secoroc FT Series Pusher Leg Secoroc FT160 Pusher leg Operator's instructions / Spare parts list...
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FT160A, FT160B, FT160C, FT170 Foreword Thank you for selecting the Secoroc pusher leg FT160/170. These instructions were developed to help you get the best performance and productivity from the use of your new rock drill. Please refer to them also for correct maintenance of the breaker.
Scope of application Secoroc FT series pusher legs are light weight, are easy to handle and to connect and are powered directly from the rock drill. The pusher legs are available in different lengths and with different extensions to achieve the required reach. They also come with a variety of tube diameters for different feed forces to suit various rock drills as well as different rock formations.
FT160A, FT160B, FT160C, FT170 Operation Attaching the pusher leg to the rock drill Mount the pusher leg (1), lock sleeve (2), rubber pad (3), washer (4) and locking nut (5) in the order shown in the picture below. Turn the locking nut clockwise with a wrench until you hear a "click". Controls Throttle lever The rock drill is equipped with a throttle lever for regulating both the...
Feed control Adjust the feed force by means of the feed control lever as follows: A. Pushing the lever in this direction will increase feed force. B. Pulling the lever in this direction will decrease feed force Trigger When the trigger (A) is pushed in, the feed force stops abruptly and the setting on the feed control lever is overridden.
FT160A, FT160B, FT160C, FT170 Drilling Starting the rock drill 1. Open the main valve for compressed air. 2. Open the cock for the flushing water. 3. Adjust the feed control lever to give a suitable feed force for collaring the hole. 4.
Trouble shooting Low penetration rate may be caused by insufficient feed force from the pusher leg, check the following points: Increase the angle between pusher leg and drilling surface. Ring in cross arm wears out; seals between cylinder and back head are worn out. Replace defective seals.
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