Atlas Copco Secoroc YSP Series Bedienungsanleitung

Secoroc YSP Series Rock Drill

Secoroc YSP 45 Stoper

Operator's instructions / Spare parts list

Secoroc Rock Drilling Tools

Foreword

Thank you for selecting the Secoroc stoper YSP45.

These instructions were developed to help you get the best performance and

productivity from the use of your new stoper.

Please refer to them also for correct maintenance of the stoper.

Table of Contents

Scope of application ................................................... 4

Specification ....................................................... 4

Safety instructions..................................................... 5

Operation ............................................................ 6

Using the stoper for the first time...................................... 6

Preparations before starting .......................................... 6

Before fitting the drill steel ........................................... 7

Controls ........................................................... 8

Throttle lever.....................................................8

Feed control knob.................................................8

Exhaust valve button ..............................................9

Oil regulating valve ...............................................9

Drilling ............................................................ 9

Starting the stoper ................................................9

Stopping the stoper ..............................................10

When you have finished drilling ....................................10

Maintenance ...................................................... 10

Once a shift (after 8 hours of operation) .............................10

Once a week (after 40 hours of operation) ............................11

Once a month (after 200 hours of operation)..........................11

Selection of spare parts ............................................. 11

Storage .......................................................... 11

Scrapping and waste disposal ....................................... 11

Trouble shooting ..................................................... 12

Spare parts list and exploded drawing ................................... 14

Scope of application

Model YSP45 is a high frequency stoper. The blast hole angle range is from

60º–90º. YSP45 is mainly used for production drilling, raise driving and bolting. It is

equipped with FY500 lubricator.

Specification

Stoper YSP45

Weight 44 kg

Dimension (L x W x H) 1420x390x160 mm

Cylinder diameter 95 mm

Piston stroke 47 mm

Pusher leg stroke 750 mm

Pusher leg inner diameter 74 mm

Working pressure 4–6.3 bar(e)

Impact energy (at 6.3 bar(e)) ≥73.5 J

Impact energy (at 5 bar(e)) ≥70 J

Impact energy (at 4 bar(e)) ≥57 J

Air consumption (at 6.3 bar(e)) ≤113.3 l/s

Air consumption (at 5 bar(e)) ≤83 l/s

Air consumption (at 4 bar(e)) ≤80 l/s

Drilling frequency (at 6.3 bar(e)) ≥46 Hz

Drilling frequency (at 5 bar(e)) ≥45 Hz

Drilling frequency (at 4 bar(e)) ≥42 Hz

Torque (at 6.3 bar(e)) ≥21

Torque (at 5 bar(e)) ≥18

Torque (at 4 bar(e)) ≥15

Water pressure working pressure -1 bar(e)

Air hose inner diameter 25 mm

Water hose inner diameter 13 mm

Drilling diameter 34–42 mm

Max drilling depth 6 m

Working temperature -30 to +50 ºC

Shank size H22x108±1 mm

Lubricator FY500

Weight 2.5 kg

Capacity 0.52 litre

Safety instructions

To reduce the risk of serious injury or death to yourself or others, carefully read

through this instruction booklet before putting the stoper to use. Always follow the

instructions given in this manual.

hAlways wear a safety helmet, impact resistant eye protection with side protection

and ear protectors during drilling. Any local regulations that exist must also be

observed.

hWhen drilling in certain minerals, there is a risk of spark generation. Before

starting work, check that the machine is approved (in accordance with local

regulations) for work under such conditions.

hAlways take great care when using the machine. The drill steel is subjected to

heavy loading and can break, with a risk of injury to personnel.

hCheck that the hoses used are of the right quality, and that all hose connections

are in good condition and properly tightened.

hBefore starting work on any of the systems, make sure that the air and water

systems are without pressure.

hMake sure that there are no concealed wires or other sources of electricity. Never

drill near any electric wires or other sources of electricity.

hExposure to crystalline silica (sometimes called 'silica dust') as a result of drilling

in rock may cause silicosis, cancer or death. Never operate the stoper without

water flushing.

hA compressed air hose that comes loose can lash around and cause personal

injury or death. Check that the compressed air conections are not damaged and

that they are properly attached.

Operation

Using the stoper for the first time

When the stoper arrives from the factory, the inside of the machine is coated with

heavy oil to prevent corrosion.

After unpacking and installing the machine, pour a small amount of lubrication

oil into the air connection and operate the machine on partial throttle to clean the

interior. Follow this immediately with a liberal amount of air tool oil.

The stoper is lubricated with oil mixed with compressed air, which is taken to the

parts that need continuous lubrication. Oil is metered into the compressed air using

the FY500 lubricator connected to the air line.

Preparations before starting

1. Check the drilling equipment

hCheck that all of the drilling equipment is in good working order.

hCheck that the impact surface of the drill steel shank is flat with no signs of wear.

hMake sure that the air inlet and exhaust ports are free from obstructions.

hCheck that the flushing holes in the drill steel and drill bit are not blocked and

that the flushing air/water flows through without obstruction.

hEnsure that the fittings are tight and leak-proof.

WARNING

A compressed air hose that comes loose can lash around and cause personal injury or

death. Check that the compressed air conections are not damaged and that they are

properly attached.

2. Blow out the air hose

Every day before using the drill, blow out the air hose to clear it from accumulated

dirt and moisture.

3. Check the lubrication oil level

hFill the lubricator with oil if necessary.

hAlways use a recommended lubricant.

Lubricant recommendation

Use a mineral-based air tool oil

Ambient

temperature ºC

Viscosity grade

(ISO 3448)

-30 to 0 ISO VG 32-68

-10 to +20 ISO VG 68-100

+10 to +50 ISO VG 100-150

4. Air/water pressure and hose dimensions

Air pressure

Ensure that the compressor can deliver the required air pressure of 5 bar at the

machine.

hHigh pressure (>6.3 bar) causes rough operation and damage.

hLow pressure (<4 bar) results in a slow drilling speed.

Water pressure

Set the water preassure to around 3 bar. Maximum water pressure is 1 bar less

than the working pressure. For example if the air pressure is 5 bar, the water

pressure must be below 4 bar to prevent water entering the impact mechanism.

Air hose dimensions

The air hose diameter must be no less than 25 mm. The inner diameter of

connection nipples and hoses must be no less than 20 mm. The ideal overall air

hose length is less than 15m.

Water hose dimensions

The water hose inner diameter must be no less than ½".

5. Prevent freezing

In low ambient temperatures, ice can form in the machine. This can be avoided if

the water in the compressed air is removed. This can be done by equipping the air

lines with water separators and drainage points for water condensate.

If the stoper ices up, it must not be heated to melt the ice. Let the ice thaw at room

temperature.

Do not pour methylated spirits or similar substances into the stoper, as they will

interfere with the lubrication and lead to increased wear.

Before fitting the drill steel

hCheck that the drill steel shank is of the correct size and length for the chuck

used.

hThe shank must be clean and the drill steel must be in good condition.

hThe suitable quenching hardness of the shank is HRC48-53. A harder end face will

cause piston damage and breakage of the end face of the piston. If the shank face

is too soft it will be easily deformed by the piston which will result in difficulty in

removing the drill steel.

hThe shank end face shall be flat and perpendicular to the axis.

hRemove sharp edges from the shank's end face. A rough shank surface will cause

premature piston failure.

hInspect the drill steel: A dull drill steel will slow down the drilling speed and

overstrain the drill mechanism. When changing drill steel make sure that the new

one is the correct size to follow your previous bore.

hBefore drilling check that the flushing hole in the drill steel is not blocked.

Controls

Throttle lever

The stoper is equipped with a throttle lever (T) for regulating both the compressed

air to the percussion mechanism, the blowing and the water flushing. The seven

positions (A to G) of the throttle lever are explained in detail in the table below.

Position Rotation and

percussion

Water flushing Blowing Air to pusher

leg

A off off on (extra strong) off

B off off on on (low)

C off off on on

D on (slight) off on on

E on (low) on (low) on on

F on (medium) on (full) on on

G on (full) on (full) on on

Feed control knob

The pressure regulating valve is located in the back head. It regulates the feed force

of the pusher leg. Increase the feed force by turning the feed control knob (P) in the

direction of the arrow, i.e. counter clockwise.

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.

Note! Do not bend the drill steel as this will increase wear of the shank bushing and

piston. It can also affect drilling efficiency and increase the risk of drill steel

breakage.

Stopping the stoper

Pull the throttle lever upwards, which will stop percussion, rotation and flushing

water.

Blow-cleaning the drill hole

CAUTION

When blow-cleaning, particles and dirty flushing water can emerge at speed from

the drill hole.

hMove to the side and cover your eyes before starting to blow-clean the drill

hole.

hAlways wear impact resistant eye protection with side protection to avoid

injury.

hMake sure that no co-workers are in range when blow-cleaning.

If powerful blow-cleaning of the drill hole is required, turn the throttle lever fully

upwards whereupon the stoper stops. This can be done during drilling. When the

drill hole is clean, turn the throttle lever downwards again to re-start the stoper.

When you have finished drilling

Run the stoper at medium speed when retracting the drill steel from the drilled

hole.

Lay down the stoper on a stone, wooden plank or similar object, so as to prevent

drill cuttings and other foreign matter from entering the chuck.

Turn off the water pressure before the air pressure. Run the stoper for a few

seconds to clean out water and moisture after the water has been shut off.

Maintenance

Regular maintenance is a prerequisite for machine safety. Replace damaged and

worn components in good time.

Check the machine and drill steel for wear and damage at regular intervals. Do not

use a very worn or damaged drill steel.

When cleaning mechanical parts with a solvent, make sure that you comply with

current health and safety regulations and ensure that there is sufficient ventilation.

Daily maintenance, regular checking of wearing parts and carrying out repairs in

good time prevents breakdowns and increases the service life of the machine.

hMake sure that no foreign matter enters the machine.

hAlways hose down and wipe clean the stoper after use.

Once a shift (after 8 hours of operation)

hCheck the wear in the chuck bushing. If the wear limit has been exceeded, the

drill steel shank will wear more quickly, or become deformed. This will lead to

stoppages and increased drill steel consumption.

hCheck the hoses, couplings and controls for leakage and damage.

hCheck that the stoper is receiving enough lubrication. Fill the lubricator if

necessary.

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