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Help CenterAir-leg Rock Drill YT23
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Air-leg Rock Drill YT23
Instruction
The rock drill of YT23 is a kind of high efficiency air leg rock drill machinery. it is mainly used for blasting holes and other drilling works in a quarries, railway construction, water conservancy construction and defence project facility. When it is matched with the Model FY200A Oil reservior and Model FT160A or FT160B Air-leg, it can perform wet drilling and blast holes from different and angles.
specification
Weight 24 kg
Length 628mm
Air pressure 0.63MPa
Cylinder dia 76mm
Piston stroke 60mm
Impact frequencey ≥ 36Hz
Impact energy ≥ 65J
Air consumption ≤80 L/S
Idel speed ≥300r/min
Noise ≤112dB(A)
Water pressure 0.2-0.3MPa
Air pipe (inner dia ) 25mm
Water pipe (inner dia ) 13mm
Bore dia 34-42mm
Bore depth 5m
Shank dimensions(hex×length) 22×108 mm×mm
Model FY200A oil lubricator
Weight 1.2kg
Oil capacity 0.2L
Air leg FT160A FT160B
Weight 17Kg 16 kg
Length:max 3006 mm 2526mm
min 1668 mm 1428mm
Propulsion stroke 1338 mm 1098 mm
Axis thrust(max) 2000 N 2000N
Maintenance
Notice
1,Dismantle new machine and clean parts before using new machine, when assembling machine,
oil parts. then operate and check machine before using it, but the time is about 10minutes and air pressure is low (0.3Mpa for better).
2,The air pressure should be kept at 0.5-0.63 MPa.(measure in rubber tube), if the air pressure is too high, it will damage parts.if the air pressure is too low,it will affect the speed of drilling and machine normal working
3,Before using machine, blow off dirty to protect parts. inspect the screw thread whether is tight and operating handle whether is free to move, ensure machine operate normally.
4,Oil lubricating oil into oil lubricator before using machine, oil oil reservoir every other hour.Do not operate machine without lubricating oil.
5,Before using machine, increase holding power,while operate machine increasingly. Donot operate machine at the max thrust or should not idle machine too long, it will damage parts.
6,Diamantle water pipe and operate machine after blasting holes. It can blow off the rest moisture and protect parts away from rusting .
7,The rock drill is centre water-injection drilling. Do not operate without water and dismantle water needle.
8,Tighten two side bolt nuts to protect parts and tighten air pipe to aviod causing injure
9,If machine should store for a long time.diamantle machine first , oil and seal , then placed a dry place.
lubricating oil
Lubrication has great influence in the performance and working life. Do not operate machine without lubricating oil, it is better not to use grease lubrication to obstruct pipeline, reduce machine efficiency and acceleration element wear.
Please refer to following list when choose lubricant.
Temperature | Name | NO | Kinematic viscosity | Solidifying point | Standard |
-30—-10 | Refrigerator oil | 11.5—14.5(50°C) | -40°C | ZBE34003-86 | |
-10—0°C | Turbine oil | N22 | 20-23(50°C) | -10°C | GB2537-81 |
0—30°C | Cylider oil (30%) Machine oil (70%) | HG-24+HJ-50 | 20-28(100°C) 47-53(50°C) | 15°C -10°C | GB447-77 GB443-84 |
Safety
1,Ensure that technical safe practices are employed.
2,Pay attention to the position of steel wire ring clamp.
3,Check steel wire ring clamp whether or not abrase, if so, change another at once.
4,Do not allow ues low burning point and easy explosion lubricating oil.
Malfunction and solution
Malfunction | Cause | Solution |
Difficult
to operate | Low air pressure | If pipeline is over-burden,reduce machine number |
check air pipe dia and valve switch whether too small,if so ,change it. | ||
If air pipe is too long, cut short | ||
Lack of Air-leg thrust | Enlarge angle between air-leg and floor | |
Seal ring abrase,change it | ||
Trigger or change-over valve cann’t move .mend it at once | ||
Water intake | Water pressure is higher than air pressure, water flow into cylinder ,damage lubrication. Lower water pressure immediately | |
Water injection system out of work ,water and air run into machine,check it at once | ||
Muffler icing | Thaw out | |
Bad lubricate | No lubricating oil, oil it | |
Block oil hose , clean and blow off dirty | ||
If use wrong lubricating oil ,do use standard oil. | ||
Water flow out from front head.damage normal lubrication | If water tube broken,change it | |
If drill hose is blocked or too small, change it | ||
Water tube dia ≤3mm | ||
Part abrase | If cylinder and piston surface abrase, rubdown it with oilstone | |
If distributing valve abrase,change it | ||
If piston rifle bar rifle nut rotation sleeve and other parts damage,change it | ||
Dismantle water tube | Assemble it | |
Lubricating too much | Adjust it | |
Water intake | Find out trouble and resolve | |
Water tube broken | Piston damage or Shank midlevel outlet position is wrong | Change piston or drill |
Clearance is too large between shank and drill sleeve | Hex size abrase over 25mmm,change another one | |
Water tube is too long | Adjust water tube length | |
Shank hose is too low | As draw specification process it | |
Out of use | Water pressure is too high | Lower water pressure (≤0.1Mpa) |
Block hose | Drill through hose | |
Parts rust | Clean and remove rust | |
Srping out of use | Change it | |
Rubber ring damage | Change it | |
Drill
broken | Air pressure is too high | Lower air pressure |
Operate machine immediately | Operate it increasingly | |
Drill is flect | Change it | |
Angle is too small | As draw process shank | |
Heat treating trail | Improve process |
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