Description

rock drilling tools manufacturer ProDrill: Model No. YT28 Pusher Leg Rock drills are applied for underground mining, drifting.

• Weight: 26 kg
• Size: 661*247*195 mm
• Air Pressure: 0.63 Mpa
• Air Consumption: ≤81 L/s
• Impact Frequency: ≥37 Hz
• Air Hose Size: 25 mm
• Water Hose Size: 13 mm
• Bore Diameter: Φ34～Φ42 mm
• Drilling Depth: 5 m
• Shank Size (Hex.*L): 22*108±1

YT28 air-leg rock drill most fit for drilling horizontal and inclined blast holes in medium-hard and hard rock with a hardness of f=8～18.
It may also be used with for maKing roof-bolting holes. The drill is an important instrument in mining, railway, communication and water conservancy projects.
May be used together with FT160BC or FT160BD Air-leg and FY200B Line Oiler with transparent casing. The tool can also be mounted on a rig or a wagon.

Air Leg

Air-leg Specifications:

FY200B Line Oiler Specifications:

Features:

1. Grouped control mechanism, quick of start up, with “air-on, water-on, air-off, water-off” mechanism, easy operation and maintenance.
2. Low noise, small vibration, energy-saving and efficient, highly interchangeable parts with long service life, reliable performance.
3. Different from similar products particularly in its high efficiency, strong flushing and powerful torque.

Application:

YT28 air pusher leg rock drill working in tunneling

YT28 carton package

Operation & Maintenance:

Besides observance of the general safety precautions for rock drilling operations, particular attention should be paid to the following:

1. The rifle nut and the piston are matched with left-hand threads. Cautions should be taken during assembling and disassembling.
2. Before connecting the drill to the air and water supplies, check carefully if the wire clips (37)(43) are entirely and correctly set in the respective semi-circular grooves of the backhead (29). Check frequently the wear on the clips and timely replace the worn-out or broken one or broken one to avoid the shooting out of the swivel or the connector when the air or water is on.
3. Before operation, fill the line oiler with lubrication oil to the required level. The drill should not be run without proper lubrication (recommended lube oil N46 and N22, Chinese National Standard GB443-84).
4. After operation, first turn off the water, lightly run the drill for a few seconds, blow out the residual water drops to prevent the parts from being corroded.
5. If the drill is often used, should maintenance it regularly to ensure the inside parts cleaning. Especially pay attention to change the worn parts and lose efficient parts.

For more details please click PDF: YT28

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