Drilling Do's and Don'ts

DOHave properly installed whip checks on both ends of your airlineHaving properly installed whip checks is important for the safety of both the drill operator and anyone else around the machine during operation. Whip checks are an additional piece added around the connection between the machine and the airline. These safety features prevent the air hose from lashing out, should it disconnect during use. DOClean off your quick connects before attachingYour drill will rarely stay clean on a job site. It&#;s just as unlikely that it will stay clean between jobs simply due to the elements that it may be exposed to while in storage. Under both circumstances, it is important to wipe off your quick connects before attaching them to your excavator or skid steer to prevent debris from entering your hydraulic lines. Watch a Video on Keeping Your Drill Hoses CleanDOUse the pressure wash feature of your mist pump to clean your machine at the end of each dayDid you know that if your drill has a mist pump system it can double as a pressure washer? That right! Your drill is equipped with a selector valve at the top right of the control panel that allows you to connect a quick coupler plug to a pressure washer wand. This setup makes it easy to wash down your machine at the end of each day so you can start fresh on your next shift. DOUse the feed extend feature when positioning your drill stingerUsing the feed extend allows for precise placement of the stinger on the ground to begin your hole. Using the stick and boom or skid steer arm to place the stinger can damage important parts of your machine and negatively impact its ability to drill.DOCheck your line oiler regularly and refill with rock drill oil when neededRock drill oil is what makes the world go round &#; well at least in the drilling world it does! Keep a regular check on your rock drill oil levels throughout the workday and refill when needed to keep everything running smoothly. Watch our Line Oiler VideoDOMake sure you have a secure hold on the machine before moving with a forkliftPicking up a drill with a forklift is a little bit more precarious than picking up your average pallet. Always make sure your forks are locked, have a spotter, and make sure you don&#;t have any hoses pinched before lifting the machine off! DOGrease your machine frequentlyGrease, makes the world go round &#;. Well, maybe not, but it is the key to a happy rock drilling unit. A general rule of thumb for drilling is to grease your machine at the beginning of each day and repeat for every 4 hours of use from that point.

I see all these threads of folk with computer problems, so I thought I'd seek the wisdom of all concerning problems I had today as a newbie to drilling.

The first problem is that I was drilling Moy conglomerate and the pebble part is round granite stones like from a river bed. I was having a real hard time drilling them at all, only 2 to 3 holes per battery (I was trying to avoid them but was hitting under the surface). Is this unusual or is this kind of granite much harder than anything else?

The new bolts I have are just too large at the top for a 12mm bit. So I was drilling with a 12mm, then going back and drilling the outer half with 14mm. I got half way in and the 14mm drill bit jammed. The Hilti stopped gripping the bit but this may have been a safety thing to protect the motor. The bit is still there, as no way could I get it out. Have you heard of this before or is it just my incompetence?

And suggestions welcome.

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