Doosan Infracore Construction Equipment 16 December 2021 Compressor

Doosan Infracore Construction Equipment 16 December 2021 Compressor Operating Instructions

Compressor Pre-Delivery - Thoroughly read through operation manual. - Inspect safety stickers and understand all safety precautions and operating instructions - Check engine fluid levels • Engine coolant level • Engine oil level • Airend lubricating fluid Page 2 Company Confidential

Compressor Pre-Delivery Connect battery cables to terminals Fill gas tank (diesel fuel only) Close compressor service valves Page 3 Company Confidential

Compressor Start Up Small Compressors - Turn POWER switch to “ON. ” - If equipped, press “Service Air Button” to start the regular air flow through the airend. Turn POWER switch to the GLOW PLUG position and hold 30 Seconds. - Turn POWER switch to the “START” position to crank engine. Hold switch in START position for approximately 5 sec. after engine starts. Allow engine to warm up for 5 to 19 minutes. • Once started and warmed, compressor is ready for use. • Use proper safety precautions, including eye and ear protection, during operation for safety of all personnel and equipment. • To ensure proper cooling and airflow keep compressor access doors closed during operation. • Under no circumstances should oil flooded compressed air be used for breathing purposes. Page 4 Company Confidential

Compressor Start Up Large Compressors • Turn key to the “ON” position (electric compressor will turn on for equipped machines) • Turn Switch to “START” within 10 seconds to crank engine *In Cold weather, push ether injection switch (if equipped) once or twice during cranking **If unit is equipped with glow-plugs use same procedure as the small machines • Release to the “ON” position once started At Temperatures below 32° F (0 ° C) or if difficulty starting first time: • Open manual blow down valve fully • Complete starting sequence described above • Once started close blow down valve Page 5 Company Confidential

Compressor Operation • Make appropriate connections between tool(s), hose(s) and outlets(s) • Make sure a hose whip(s) are securely attached at connection points • When finished, close service air valves first to prevent backflow • Shut down machine, see shut down instructions • For safety, bleed remaining pressurized air from service lines by operating tool before disconnecting tools or hoses • Open air valve on service outlet and use necessary precautions when operating tools Page 6 Company Confidential

Compressor Shut Down • Allow machine to run idle with service valves closed for 3 to 5 minutes reduce the engine temperature • Turn the POWER switch to the OFF position • When engine stops, automatic blow valve should relieve system air pressure. If Automatic blow valve should malfunction, open manual blow-down valve slowly to release system pressure Page 7 Company Confidential

Towing • When manually maneuvering compressor use jockey wheel • Inspect tires for condition and proper inflation • Only tow compressor with vehicle sized properly for compressor weight and at safe speeds, see operators manual • Ensure auxiliary tools are stored in a secure and safe manor and that compressor doors are locked • • Connect safety chains to the towing vehicle Check that the compressor lights and brakes, if equipped, are functioning properly Page 8 Company Confidential