YT29A Air Leg Rock Drill /OEM /IN FACTORY PRICE
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 KG |
| All length |
660MM |
| Air consumption |
≤82L/S |
| Drilling Frequency |
≥40HZ |
| Air pipe inner Dia. |
25MM |
| Water pipe inner Dia. |
13MM |
| Drilling Hole Dia. |
34MM |
| Drilling Depth |
5M |
Maintenance
Notice
1 Machine should be oiled by the rustproof grease, before using. On using, reoil machine and assemble it.
2 When connecting water pipe and air pipe, blow off dirty to protect parts.
3 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.
4 When finishing using machine, cut off water supply and let machine run slowly, then blow off the rest moisture to avoid rusting parts.
5 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.
6 If machine should store for a long time, diamantle machine for clean, oil and seal, then placed a dry place.
Air pipe and pressure
1, 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 pressure
Water pipe inner dia. Is 13mm and water pressure is 0.2-0.3Mpa.
Dismantlement
1, Distributing valve
Dismantle and assemble distributing valve, do not knock. After assembling, ensure that valve positioned correctly and is free to move between the two seats.
2, Shank cover
When dismantling shank sleeve, heat rotations sleeve up to 200° C, insert shank (shank collar dia is ≤ 30mm) into rotation sleeve, then knock out shank sleeve with bishop. When assembling shank sleeve, heat rotation sleeve up to 200° C, insert shank sleeve into rotation sleeve, knock shank into bottom.
3, Air connection tube and water connection tube
When dismantling, push in air connection tube and water connection tube, fetch steel wire ring clamp with tool. When assembling, push air connection tube and water connection tube into the right handle, put steel wire ring clamp into half slot, then pull air connection tube and water connection tube
4, When assembling, tighten two sides of side bolt nut to ensure every parts of machine work well.
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
| Temperature |
Name |
No |
Flash
point |
Kinematic
viscosity |
Solidifying
point |
Standard |
| 10- 30ºC |
Machine oil |
N46 |
180ºC |
41.4-50.6(40ºC) |
-10ºC |
GB443-84 |
| -10-10ºC |
Machine oil |
N22 |
170ºC |
19.8-24.2(40ºC) |
-15ºC |
GB443-84 |
| -30-10ºC |
Refrigerator oil |
HD-13 |
160ºC |
11-15(50ºC) |
-40ºC |
Y1213-79 |
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