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01
Compressed air should be dry, air pressure should maintain 500kPa; Use clean soft water, in the last resort when using acid or alkaline water, inject some lubricating oil, turn off the water and no-load drill after the completion of the drilling process.
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02
Clean and reload the new air drill before using it, no-load drill after reloaded to check if it is normal. But no-load drilling process should under 2-3 mins.
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03
Clean pipe and routine maintenance and lubricate regularly make sure rock drill works in good condition.
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04
Inlet compressed air befor water, and should stop lnleting water first. Water pressure should be lower than compressed air pressure to prevent water from reflowing into rock drill cylinder.
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05
Adjust pressure valve when the steel rotary mechanism moving slowly, shutdown YT29A rock drill if steel rotary mechanism stop moving and invalid after reducing air-leg axial trust.
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06
Wipe couplings clean and connect hydraulic hoses to an unpowered (not activated) hydraulic source.
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07
Remove the tool steel. With a clean object, push the piston through the bushing to it's inner most position. Remove
the object and using the grease nipple located in the nose assembly, lubricate the bushing
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08
Failure to grease the nose assembly every 8 hours of operation will cause the drive system to
stop rotating.
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09
Clean off any accumulation of particles from beneath the trigger area. Spray with a light oil and wipe off excess.
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10
Check that the drill bushing, latch, and roll pins are in good working order. If the shaft of a new drill can be turned
more than 20º in the drill bushing, or if the drill collar is cracked, the drill bushing must be replaced.
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11
During long-term storage, the striking piston must be protected against corrosion.
