Doosan Infracore Construction Equipment 25 December 2021 Large

Doosan Infracore Construction Equipment 25 December 2021 Large Air Systems – Sales Training Bridge Deck Work

Bridge Work Consists primarily of surface repair Usually medium to large size contractors Compressors used 600 cfm and lower 100 psi – 125 psi Tow behind and truck mounted Used air to run tools Chippers Breakers Rivet busters Large potential for rentals Page 2 Company Confidential

What to Look For Compressors are generally parked on the side or underneath the bridge Page 3 Company Confidential

Page 4 Company Confidential

Tools Know your tools Rivet Buster Chipper Small Breaker Large Breaker Paving Breaker Jack Hammer Clay Spade Tamper Tool lubrication Oilers Why lubricate? Page 5 Company Confidential

Tool Air Chart Remember to compensate for pressure loss in the hose Page 6 Company Confidential

Hose Length and Diameter - Pressure Loss Every fitting, hose, elbow, connection causes a loss in pressure Reduce the number of fittings Hose Diameter & Length • Less chance for loss of flow / leaks • Less pressure drop Pressure drop in a hose is usually the biggest loss 1” x 50’ Use this website or the tables to estimate losses • http: //www. gates. com/industrial/p ressure/air. Flow. cfm Pressure Loss CFM 100 psi 150 psi 200 psi 180 3. 8 2. 6 2. 0 210 5. 0 3. 5 2. 7 240 6. 5 4. 5 3. 4 270 8. 1 5. 6 4. 3 300 9. 9 6. 9 5. 3 Hose Diameter & Length 2” x 50’ Pressure Loss CFM 100 psi 600 1. 3 800 2. 1 1. 5 1000 3. 2 2. 2 1. 7 1200 4. 5 3. 1 Page 72. 4 1400 6. 1 150 psi 200 psi Company Confidential 4. 2 3. 2

Safety First - Whip Check Doosan is safety conscious and promotes the use of Whip Checks on all pressurized hose applications. To prevent serious injury due to hose or coupling failure, add a Whip Check at each hose connection and from equipment to hose. Install in the fully extended position (no slack) for proper safety assurance. Available in four sizes to work with hoses from 1/2" through 4" inside diameters Available as hose-to-hose (as shown) or hose-to-tool end styles Optional safety clip and lanyard attachment provides added safety for universal type couplers Must use to be OSHA compliant Page 8 Company Confidential

What Makes Us Better More rugged Larger tool box More diverse offering Airsource Platinum 100, 125, and 150 psi machines (Sullair only offers 100 and 150 psi) Drawbar Cool box verses hot box Competitors have to run with doors open Page 9 Company Confidential