Atlas Copco Secoroc YSP 45 Stoper Инструкции по эксплуатации/перечень запасных частей - Страница 9
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Exhaust valve button
The exhaust valve button (E) controls the exhaust valve which is located in the
cylinder handle. When the exhaust valve button is pushed, the feed force ceases
abruptly, thus overriding the setting on the feed control. The facility is used e.g. to
adjust the height of the stoper, setting up the stoper or to help releasing a jammed
drill steel.
Oil regulating valve
Oil dosing is controlled using a screwdriver. Tighten the nut after regulation.
Check that sufficient lubrication is obtained by putting your hand in front of the
exhaust port while adjusting the regulating valve. If the hand is covered by a thin
film of oil after a few seconds, the lubricator has been correctly adjusted. Too much
oil will have negative effects on the operation whilst too little will result in damage
to parts as the temperature rises during operation.
The amount of oil going into the stoper increases when turning the valve counter
clockwise, and it decreases when turning the valve clockwise. Oil consumption is
2.5–6 ml/minute.
Drilling
Starting the stoper
1. Open the main valve for compressed air.
2. Open the cock for the flushing water.
3. Adjust the feed control knob to give a suitable feed force for collaring the hole.
4. Align the stoper so that the drill steel touches the desired collaring point.
5. Move the throttle lever downward a little, which will start water flushing,
percussion and rotation.
6. Collar the hole with reduced feed force.
7. Move the throttle lever fully downward once the drill steel has gained a secure
footing in the rock.
8. Adjust the feed force by means of the feed control knob so that the maximum
penetration rate is obtained.
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