air-leg rock drill from china

1.high efficiency 2.durable 3.good quality and low price 4.rock breaking tools

air-leg rock drill from china

Instruction

The YT29A rock drill is the most strongest, powerful and highly efficient rock drill in the range.It gives improved productivity and drill steel economs and can be used on all rock formation and in all kinds of applications.

Specification

Weight	26.5 KG
Size	659*248*205mm
Air consumption	≤65L/S
Drilling Frequency	≥37HZ
Air pipe inner Dia.	25MM
Water pipe inner Dia.	13MM
Drilling Hole Dia.	34-45MM
Drilling Depth	5M
Shank Size	22*108mm/25×108±1mm
Air pressure	0.4- 0.63Mpa
FT160A Air leg:
Weight	17KG
Length	1668MM
Pushing stroke	1338MM
Cylinder diameter	65mm
FY250 Oil Reservior:
Weight	1.2KG
Oil capacity	250ML
FT160B Air leg
Length	1428mm
Weight	16kg
Pushing stroke	1098mm
Cylinder diameter	65mm

Maintenance

Notice

Machine should be oiled by the rustproof grease, before using. On using, reoil machine and assemble it .When connecting water pipe and air pipe, blow off dirty to protect parts.Before open machine, should inspect the flexibility and reliability of all control structure and operation part; oil reservoir be filled with lubrication, and measure oil quantity well, ensure mahine run regularly.When finishing using machine,cut off water supply and let machine run slowly ,then blow off the rest moisture to avoid rusting parts.The machine which often use, should pay attention to maintenance. Examine and repair every week at least, Clean the dirty within the machine and note to replace and change the damage and invalidation parts, eliminate the malfunction and hidden trouble.If machine should store for a long time, diamantle machine for clean, oil and seal , then placed a dry place.

LubricationLubrication has great influence in the performance and working life.Do not operate machine without lubricating oil

Temperature	Name	No	Flashpoint	Kinematicviscosity	Solidifyingpoint	Standard
10—­30°C	Machine oil	N46	180°C	41.4—50.6(40°C)	-10°C	GB443-84
-10—10°C	Machine oil	N22	170°C	19.8—24.2(40°C)	-15°C	GB443-84
-30—10°C	Refrigerator oil	HD-13	160°C	11—15(50°C)	-40°C	Y1213-79

Air pipe and pressure1,Air pipe inner dia. is 25mm and it’s length is ≤15m. Pipe connector dia. is ≥20mm. 2,This diagram show the relation between speed and air pressure.(0.4-0.63Mpa for better).Water pipe and pressureWater pipe inner dia. is 13mm and water pressure is 0.2-0.3Mpa.DrillDrill specification is GB6481-86. as draw process shank.

air-leg rock drill from china