| POWER DRILLS | | | | Maintenance |
| The electric drill is probably the most sold tool in the | | | | 1.clean the dust from the machine when you have |
| tool market today-and lets face it rightly so,because | | | | finished using the drill. |
| there irnot a lot you can do around the home | | | | 2.wipe the drill after every use |
| without one-for anything you want to attach to the | | | | 3.spray maintenance spray over the motor and |
| wall you need a drill to first of allmake holes for the | | | | exposed parts after use. |
| plugs that will hold the screws. | | | | Working |
| Basic workings are that:when the drill is plugged in the | | | | 1.hold the drill securely-wher the hole is tight around |
| trigger activates the motor which turns the gears like | | | | the drillbit the drill itself could slip from your hands. |
| the wheel of a car,which in turnspin the chuck holding | | | | 2.use sharp drill bits,this will help to reduce the |
| the drillbit in the rotational diection in which the | | | | pressure and force needed to operate the dril |
| selector dial was programed-IE; forward or | | | | thereby reducing the wear on themotor. |
| reverse.some drill come with a "Hammer" function | | | | 3.make sure the chuck is tightened properly to avoid |
| which means that it can easilly drill through concrete | | | | the drillbit spinning. |
| and hard materials mucheasier than a normal drill. | | | | SAFETY FIRST |
| When choosing a drill there are ceartain terms to look | | | | 1.wear protectice eyewear when usin drills |
| out for: | | | | 2.do not wear loose clothing and remove all jewelry |
| 1.Hammer action-a semi pumping action like someone | | | | 3.unplug te drill before you attempt to change any |
| wearing boxing gloves and punching a wall several | | | | bits. |
| times with speed. | | | | 4.always remove the chuck key before operating the |
| This action helps to break up brick,concrete and any | | | | drill. |
| hard materials. | | | | 5.do not allow children to get near the drill |
| 2.Reverse action- this function allows you to remove | | | | 6.always use an RCD when using the drill outside |
| the drillbit from a tight hole or to remove screws-a | | | | TROUBLESHOOTINGnoisy drill |
| useful feature. | | | | 1.worn chuck bearings-spray maintenance spray onto |
| 3.Trigger lock-this is a seperate button on the | | | | the chuck and operate if that does not work then |
| dril-when depressed it keeps the drill running | | | | hvae it serviced |
| continuously unti the triggeris depressed again. | | | | 2.worn gears-look for broken teeth-oil the gears with |
| There are two basic types of drill | | | | gear oli the operate and test-if this does not solve |
| 1.corded:uses a flex and has to be pluged into the | | | | the problem |
| mains | | | | then have the drill serviced. |
| ADVANTAGE: deliveres more power for tougher | | | | 3.dirty motor and fan-use a vacum cleaner to |
| jobs | | | | remove the dust from the fan and motor-spray |
| DISADVANTAGE: Not flexible because you always | | | | maintenance spray over thefan and motor-test.drill bit |
| have a long trail of wire behind you. | | | | slippingcheck the condition of the chuck-replace if |
| 2.cordless:This is more widely used than the corded | | | | necessarydrill does not work at all |
| version | | | | 1. blown fuse or fauty plug-check and replace as |
| ADVANTAGE:fully mobile can be used anywhere | | | | necessary |
| without the need to look for an electrical outlet. | | | | 2. faulty motor-spray maintenance spray over the |
| DISADVANTAGE:battery life is limited and it takes | | | | bushes and contacts to see if this frees the |
| about an hour on average to charge the batteries so | | | | mechanism-otherwise have it serviced. |
| you always need 2 batteriesso that whilst one is | | | | 3. loose or faulty connections-open up drill and make |
| charging you have another one to use whilst you are | | | | sure none of the connections have not come loose. |
| waiting . | | | | |