Dewalt D55140 Instruction Manual - Page 11

PREPARATION FOR USE 1. Ensure the On/Off switch (A) is in the OFF position. Pre-Start Checklist (Fig. 1) NOTE: If hose is not connected to Quick Connect body, pull coupler back until it clicks to prevent air from escaping through the quick English 1. Ensure the On/Off switch (A) is in the OFF position. connect. 2. Plug the power cord into the correct branch circuit receptacle. See 2. Plug the power cord into the correct branch circuit receptacle. See Voltage and Circuit Protection under Installation. Voltage and Circuit Protection under Installation. 3. Ensure air tank is drained, see Draining Air Tank under Maintenance. 4. Ensure the drain valve (H) is closed. 3. Open the drain valve (counter-clockwise) fully to permit air to escape and prevent air pressure build up in the air tank during the break-in period. 5. Ensure safety valve (G) is functioning properly, see Checking Safety Valve under Maintenance. 6. Turn regulator knob (D) counterclockwise until fully closed. Ensure regulated pressure gauge reads 0 PSI (0 kPa). 7. Visually inspect air hose, replace if needed. 8. Attach hose and accessories. WARNING: Risk of unsafe operation. Firmly grasp air hose in hand when installing or disconnecting to prevent hose whip. 4. Move the On/Off switch to the ON position. The compressor will start. 5. Run the compressor for 15 minutes. 6. After 15 minutes, close the drain valve by turning clockwise. The tank will fill to cut-out pressure and the motor will stop. 7. Compressed air will be available until it is used or bled off. OPERATING PROCEDURES WARNING: Risk of bursting. Too much air pressure causes a Start-up (Fig. 1) hazardous risk of bursting. Check the manufacturer's maximum 1. Follow Pre-Start Checklist under Preparation for Use. pressure rating for air tools and accessories. The regulator outlet 2. Move the On/Off switch to the ON position and allow tank pres- pressure must never exceed the maximum pressure rating. sure to build. Motor will stop when tank pressure reaches Initial Set-up (Fig. 1) cut-out pressure. WARNING: Do not operate this unit until you read and understand this instruction manual for safety, operation and maintenance instructions. BREAK-IN PROCEDURE WARNING: Serious damage may result if the following break-in instructions are not closely followed. This procedure is required before the air compressor is put into CAUTION: Risk of unsafe operation. Compressed air from the unit may contain water condensation. Do not spray unfiltered air at an item that could be damaged by moisture. Some air operated tools or devices may require filtered air. Read the instructions for the air tool or device. 3. Adjust regulator (D) to desired setting. See Regulator under Features. service for the first time and when the check valve or a compressor pump/motor has been replaced. 11