Instruction Manual
Page 2
... motor Bore: 1.57 (40 mm) Stroke: .55 (14 mm) Voltage: Single 120V Minimum branch circuit requirement: 15 A Fuse Type: Time delay Specifications MODEL D55140 WEIGHT HEIGHT 24 lbs. (11.79 kg) 11.75" (298.5 mm) WIDTH LENGTH 14.895" (377.8 mm) 18.5 (469.9 mm) AIR TANK CAPACITY (GALLONS) 1.0 (3.8 liters... 105 PSI (723.9 kPa) APPROX. CUT-OUT PRESSURE SCFM @ 100 PSI (689.5 kPa) 135 PSI (930 kPa) .07 FIG. 1 E B DC NOT A STEP A G F H 2 Safety Valve G. English D55140 Air Compressor A. Quick Connect F. On/Off Switch B.
... motor Bore: 1.57 (40 mm) Stroke: .55 (14 mm) Voltage: Single 120V Minimum branch circuit requirement: 15 A Fuse Type: Time delay Specifications MODEL D55140 WEIGHT HEIGHT 24 lbs. (11.79 kg) 11.75" (298.5 mm) WIDTH LENGTH 14.895" (377.8 mm) 18.5 (469.9 mm) AIR TANK CAPACITY (GALLONS) 1.0 (3.8 liters... 105 PSI (723.9 kPa) APPROX. CUT-OUT PRESSURE SCFM @ 100 PSI (689.5 kPa) 135 PSI (930 kPa) .07 FIG. 1 E B DC NOT A STEP A G F H 2 Safety Valve G. English D55140 Air Compressor A. Quick Connect F. On/Off Switch B.
Instruction Manual
Page 3
...sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to spark. • Always operate the compressor in death or serious injury. Please read and understand this type of personal injury. Some example of these chemicals: work in death...CALL US TOLL FREE AT: 1-800-4-DEWALT (1-800-433-9258) • It is normal for electrical contacts within the motor and pressure switch to cause cancer, and birth defects or other masonry products 3 • If electrical sparks from compressor. An additional length of hose may ...
...sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to spark. • Always operate the compressor in death or serious injury. Please read and understand this type of personal injury. Some example of these chemicals: work in death...CALL US TOLL FREE AT: 1-800-4-DEWALT (1-800-433-9258) • It is normal for electrical contacts within the motor and pressure switch to cause cancer, and birth defects or other masonry products 3 • If electrical sparks from compressor. An additional length of hose may ...
Instruction Manual
Page 4
... respiratory protection designed for use with the product when it is not safe for breathing. To reduce the risk of fire, do not allow the compressor to operate unattended. • Never place objects against or on the label or safety data sheets for the materials you are spraying. The air...filters and in personal injury or property damage. Do not operate unit indoors or in any confined area. • Always remain in attendance with your compressor is operating. • Always turn off and unplug unit when not in use air produced by this product could result in -line safety equipment ...
... respiratory protection designed for use with the product when it is not safe for breathing. To reduce the risk of fire, do not allow the compressor to operate unattended. • Never place objects against or on the label or safety data sheets for the materials you are spraying. The air...filters and in personal injury or property damage. Do not operate unit indoors or in any confined area. • Always remain in attendance with your compressor is operating. • Always turn off and unplug unit when not in use air produced by this product could result in -line safety equipment ...
Instruction Manual
Page 5
... a leak, replace it is designed to repair a damaged or leaking air tank. HOW TO PREVENT IT • Never operate the compressor outdoors when it immediately with national and local electrical codes. 5 All pressure vessels should be inspected once every two years. English WARNING:... OF BURSTING Air Tank: The air tank on this product should be performed by a DEWALT factory service center or a DEWALT authorized service center in accordance with a new air tank or replace the entire compressor. • Modifications or attempted repairs to the air tank. • Never drill into...
... a leak, replace it is designed to repair a damaged or leaking air tank. HOW TO PREVENT IT • Never operate the compressor outdoors when it immediately with national and local electrical codes. 5 All pressure vessels should be inspected once every two years. English WARNING:... OF BURSTING Air Tank: The air tank on this product should be performed by a DEWALT factory service center or a DEWALT authorized service center in accordance with a new air tank or replace the entire compressor. • Modifications or attempted repairs to the air tank. • Never drill into...
Instruction Manual
Page 6
...exposed skin and can propel dirt, chips, loose particles, and small objects at other people or animals. • Always turn the compressor off and bleed pressure from the air hose and air tank before attempting maintenance, attaching tools or accessories. WARNING: RISK OF HOT ...TO PREVENT IT • Always wear certified safety equipment: ANSI Z87.1 eye protection (CAN/CSA Z94.3) with guards or covers which the compressor is connected provides proper electrical grounding, correct voltage and adequate fuse protection. WARNING: RISK FROM MOVING PARTS WHAT CAN HAPPEN HOW TO PREVENT...
...exposed skin and can propel dirt, chips, loose particles, and small objects at other people or animals. • Always turn the compressor off and bleed pressure from the air hose and air tank before attempting maintenance, attaching tools or accessories. WARNING: RISK OF HOT ...TO PREVENT IT • Always wear certified safety equipment: ANSI Z87.1 eye protection (CAN/CSA Z94.3) with guards or covers which the compressor is connected provides proper electrical grounding, correct voltage and adequate fuse protection. WARNING: RISK FROM MOVING PARTS WHAT CAN HAPPEN HOW TO PREVENT...
Instruction Manual
Page 7
...HAPPEN HOW TO PREVENT IT • A portable compressor can fall from the air compressor at all times. • Never defeat the safety features of this product should be performed by a DEWALT factory service center or a DEWALT authorized service center. others. • Become ...familiar with missing, broken, or unauthorized parts. Never operate compressor on this product. • Equip area of operation with a fire...
...HAPPEN HOW TO PREVENT IT • A portable compressor can fall from the air compressor at all times. • Never defeat the safety features of this product should be performed by a DEWALT factory service center or a DEWALT authorized service center. others. • Become ...familiar with missing, broken, or unauthorized parts. Never operate compressor on this product. • Equip area of operation with a fire...
Instruction Manual
Page 8
...pressure gauge (C) indicates the air pressure available at the air outlet. 8 DRAIN VALVE The drain valve (G) is not available until the compressor has raised the air tank pressure above that required at the outlet side of the air G tank and is normal for this switch...tank. This pressure is controlled by popping out at the end of Quick Connect plugs: Industrial, automotive, and ARO. COOLING SYSTEM This compressor contains an advanced design cooling system. See Draining Air Tank under Maintenance. REGULATOR The regulator (D) controls the air pressure shown on the...
...pressure gauge (C) indicates the air pressure available at the air outlet. 8 DRAIN VALVE The drain valve (G) is not available until the compressor has raised the air tank pressure above that required at the outlet side of the air G tank and is normal for this switch...tank. This pressure is controlled by popping out at the end of Quick Connect plugs: Industrial, automotive, and ARO. COOLING SYSTEM This compressor contains an advanced design cooling system. See Draining Air Tank under Maintenance. REGULATOR The regulator (D) controls the air pressure shown on the...
Instruction Manual
Page 9
...Extension Cords If an extension cord must be used must be used. 9 The motor must be used has the same configuration as to whether the compressor is : • a 3-wire extension cord that has a 3-blade grounding plug, and a 3-slot receptacle that will shut off the motor....correct outlet should be made by a qualified electrician. DO NOT USE AN ADAPTER. 3. Coupler will automatically restart after the motor cools. This air compressor must be allowed to the cord set and plug (J) with this unit contains a grounding pin (L). cian. • Repairs to cool down before...
...Extension Cords If an extension cord must be used must be used. 9 The motor must be used has the same configuration as to whether the compressor is : • a 3-wire extension cord that has a 3-blade grounding plug, and a 3-slot receptacle that will shut off the motor....correct outlet should be made by a qualified electrician. DO NOT USE AN ADAPTER. 3. Coupler will automatically restart after the motor cools. This air compressor must be allowed to the cord set and plug (J) with this unit contains a grounding pin (L). cian. • Repairs to cool down before...
Instruction Manual
Page 10
... products, an air line filter for assistance. When transporting the compressor in a vehicle, trailer, etc., ensure that a material is secured. NOTE: If compressor is required. Contact a DEWALT service center or call 1-800-4-DEWALT for removal of air. NOTE: Always use only time delay fuses... accessories that use vibration mounts or silencers, relocate the unit or construct total enclosures or baffle walls. When moving the compressor, grasp the handle and carry the com- Observe extension cord safety instructions if necessary. Use care when driving to maintain...
... products, an air line filter for assistance. When transporting the compressor in a vehicle, trailer, etc., ensure that a material is secured. NOTE: If compressor is required. Contact a DEWALT service center or call 1-800-4-DEWALT for removal of air. NOTE: Always use only time delay fuses... accessories that use vibration mounts or silencers, relocate the unit or construct total enclosures or baffle walls. When moving the compressor, grasp the handle and carry the com- Observe extension cord safety instructions if necessary. Use care when driving to maintain...
Instruction Manual
Page 11
...and understand this unit until it is functioning properly, see Draining Air Tank under Maintenance. 6. WARNING: Risk of bursting. Run the compressor for the air tool or device. 3. Motor will stop when tank pressure reaches Initial Set-up (Fig. 1) hazardous risk of unsafe...receptacle. Visually inspect air hose, replace if needed. 8. Follow Pre-Start Checklist under Installation. 3. This procedure is required before the air compressor is not connected to prevent air from the unit may require filtered air. Ensure the On/Off switch (A) is closed . connect. 2....
...and understand this unit until it is functioning properly, see Draining Air Tank under Maintenance. 6. WARNING: Risk of bursting. Run the compressor for the air tool or device. 3. Motor will stop when tank pressure reaches Initial Set-up (Fig. 1) hazardous risk of unsafe...receptacle. Visually inspect air hose, replace if needed. 8. Follow Pre-Start Checklist under Installation. 3. This procedure is required before the air compressor is not connected to prevent air from the unit may require filtered air. Ensure the On/Off switch (A) is closed . connect. 2....
Instruction Manual
Page 12
... switch is loud when draining. WARNING: Risk of unsafe operation. If not drained, water will condense in air tank. Remove air compressor plug from noise. Risk from outlet. 3. Ensure On/Off switch (A) is in the OFF position. Maintenance Chart Procedure Before Each ...to make sure that accumulates in a safe, non-freezing area. MAINTENANCE The following procedures must be performed by a DEWALT factory service center or a DEWALT authorized service center. Turn regulator knob (D) counterclockwise until fully closed. These used parts may occur, causing air tank ...
... switch is loud when draining. WARNING: Risk of unsafe operation. If not drained, water will condense in air tank. Remove air compressor plug from noise. Risk from outlet. 3. Ensure On/Off switch (A) is in the OFF position. Maintenance Chart Procedure Before Each ...to make sure that accumulates in a safe, non-freezing area. MAINTENANCE The following procedures must be performed by a DEWALT factory service center or a DEWALT authorized service center. Turn regulator knob (D) counterclockwise until fully closed. These used parts may occur, causing air tank ...
Instruction Manual
Page 13
... duty industrial tools are available for one year from air tank may have been made or attempted by a DEWALT factory service center, a DEWALT authorized service center or other rights which can cause stains. 6. This warranty gives you specific legal rights and you need assistance in Latin ... personnel. We will assist in Latin America. When air tank pressure gauge reads 10 PSI (275.1 kPa), rotate valve to catch discharge. 4. Move compressor into an inclined position so drain valve (H) is at the lowest point (this tool could be performed by others. This warranty does not apply to...
... duty industrial tools are available for one year from air tank may have been made or attempted by a DEWALT factory service center, a DEWALT authorized service center or other rights which can cause stains. 6. This warranty gives you specific legal rights and you need assistance in Latin ... personnel. We will assist in Latin America. When air tank pressure gauge reads 10 PSI (275.1 kPa), rotate valve to catch discharge. 4. Move compressor into an inclined position so drain valve (H) is at the lowest point (this tool could be performed by others. This warranty does not apply to...
Instruction Manual
Page 14
... measure of running continuously. Cut-In Pressure: While the motor is off , protecting your air compressor, it is recommended that a 50%-75% average duty cycle be maintained; Duty Cycle: This air compressor pump is , the air compressor pump should not run , air pressure in any given hour. 14 that bear one or more... tank pressure drops when accessory is turned on and begins to a certain low level the motor will restart automatically. Cut-Out Pressure: When an air compressor is used. SCFM: Standard cubic feet per minute;
... measure of running continuously. Cut-In Pressure: While the motor is off , protecting your air compressor, it is recommended that a 50%-75% average duty cycle be maintained; Duty Cycle: This air compressor pump is , the air compressor pump should not run , air pressure in any given hour. 14 that bear one or more... tank pressure drops when accessory is turned on and begins to a certain low level the motor will restart automatically. Cut-Out Pressure: When an air compressor is used. SCFM: Standard cubic feet per minute;
Instruction Manual
Page 15
... assistance of the more frequently encountered malfunctions, their causes and corrective actions. Pressure switch cut -out pressure off motor when compressor Set the On/Off switch to operate accessories 8,9,10,11,12 Regulator knob has continuous air leak 13 Regulator will not shut...on the regulated pressure gauge drops when an accessory is used 7 Compressor is not supplying enough air to OFF, if the unit does not shut reaches cut -out too high Contact a DEWALT factory service center or a DEWALT authorized service center. English Troubleshooting Guide This section provides a list ...
... assistance of the more frequently encountered malfunctions, their causes and corrective actions. Pressure switch cut -out pressure off motor when compressor Set the On/Off switch to operate accessories 8,9,10,11,12 Regulator knob has continuous air leak 13 Regulator will not shut...on the regulated pressure gauge drops when an accessory is used 7 Compressor is not supplying enough air to OFF, if the unit does not shut reaches cut -out too high Contact a DEWALT factory service center or a DEWALT authorized service center. English Troubleshooting Guide This section provides a list ...
Instruction Manual
Page 16
... seals 6 Defective safety valve 7 Regulator is not adjusted correctly for accessory being used. Operate safety valve manually by your air compressor, a larger compressor is needed to occur when an accessory is used, adjust the regulator as instructed in air hose 11 Check valve restricted 12... wrong length or gauge 16 POSSIBLE SOLUTION Air tank must be replaced. Replace air hose. Replace. Contact a DEWALT factory service center or a DEWALT authorized service center. See Motor Overload under Features if pressure drop is normal for some pressure drop to operate accessory...
... seals 6 Defective safety valve 7 Regulator is not adjusted correctly for accessory being used. Operate safety valve manually by your air compressor, a larger compressor is needed to occur when an accessory is used, adjust the regulator as instructed in air hose 11 Check valve restricted 12... wrong length or gauge 16 POSSIBLE SOLUTION Air tank must be replaced. Replace air hose. Replace. Contact a DEWALT factory service center or a DEWALT authorized service center. See Motor Overload under Features if pressure drop is normal for some pressure drop to operate accessory...
Instruction Manual
Page 17
...below cut -in pressure of pressure switch. 17 Check for your particular branch circuit. 2. Disconnect the other electrical appliances from circuit or operate the compressor on its own branch circuit. Do not use a fuse or circuit breaker with higher rating than that specified for proper fuse. Check for blown fuse... connections 17 Possible defective motor. 18 Fuse blown, circuit breaker tripped 19 Tank pressure exceeds pressure switch cut -in pressure POSSIBLE SOLUTION Contact a DEWALT factory service center or a DEWALT authorized service center. Use only a time delay fuse. 3. Contact...
...below cut -in pressure of pressure switch. 17 Check for your particular branch circuit. 2. Disconnect the other electrical appliances from circuit or operate the compressor on its own branch circuit. Do not use a fuse or circuit breaker with higher rating than that specified for proper fuse. Check for blown fuse... connections 17 Possible defective motor. 18 Fuse blown, circuit breaker tripped 19 Tank pressure exceeds pressure switch cut -in pressure POSSIBLE SOLUTION Contact a DEWALT factory service center or a DEWALT authorized service center. Use only a time delay fuse. 3. Contact...