Mechanic or woodworker?There are two basic types of air tools: those for mechanical work and those for construction or woodwork.One of the most popular mechanic''s air tools is the impact wrench. As you''ll see in the chart on the following page, prices vary greatly from brand to brand. The particular models featured in the chart are listed in order from highest to lowest maximum torque per foot-pound.When it comes to woodworking, framing, or even applying shingles, air nailers and staplers can make quick work of once-tiring tasks.When deciding on an air tool to purchase, take into consideration the type of compressor you have, the number of hours you plan to use the tool, and its versatility.Air-powered everythingThe number of air-powered tools available is growing all the time.

The Chicago Pneumatic Air Scribe is a bit noisy and also produces quite a bit of dust and grit as it disintegrates the rock matrix, making both a dust mask and ear protectors necessary when the unit is in use outside a dust-collecting chamber. A silencer that fits snugly around the hand-held unit is not available from the manufacturers but can easily be made with a few common household tools. By cutting a piece of metal tubing to the length of the air scribe''s handpiece and notching one end so that it can be crimped to conform to the tapered bit end of the tool, a very simple noise insulator is produced. A foam rubber plug inserted in the bit end forms a snug fit. The only disadvantage to this noise protection is that the natural stream of air emitted from the tool end is blocked, and dust is not readily blown off the working surface. Likely some innovative tinkerer will soon solve this problem. Simple ear plugs or muffs are adequate to help provide hearing protection. Another minor problem with the air scribes is the absolute necessity of lubrication. Producing an effective reciprocal motion to any tool involves very complex valves and close-fitting parts. This is especially true when the tool is designed to be very small. Depending on the duration of use, an air scribe must be oiled from once to several times per day. This involves shutting down the system, dismantling the air supply, and inserting several drops of high-quality air-tool oil. In-line oiling systems are available that can make this process far simpler. Additionally, regularly flushing the unit with oil will eliminate microscopic particles of metal and grit and will greatly extend the life of your air scribe. Sandblasting

Groundbreaking.Hit the ground running with the new 1790 Front-Fold Planter. From the new Central Commodity System (CCS) bulk seed tanks on top to the high-speed VacuMeter[TM] system at the back, this new split-row planter is built to do one thing: get your crops in the ground quickly.Start with the Central Commodity System. Two tanks per planter carry up to 100 bushels of bulk corn, soybean, cotton or milo seed for fewer stops and faster refilling. A maintenance-free air delivery system supplies each row-unit with clean, undamaged seed for more complete germination. When it''s time to refill, you''ll be running again in no time, thanks to the convenience of centrally located tanks and a sturdy steel filling platform.

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