DeWalt DXCMTA1980854 Instruction Manual Download

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Troubleshooting Guide

This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or

maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified D

ALT

technician or

your dealer.

Problem Code

Air leaks

....................................................................................................................................1

Air leaks in air tank or at air tank welds

....................................................................................

Air leaks between head and valve plate

....................................................................................

Air leaks from safety valve

......................................................................................................... 4

Compressor is not supplying enough air to operate accessories

............................................

1, 5, 6, 7, 9, 10

Restricted air intake.

..................................................................................................................9

Oil in discharge air

.....................................................................................................................

9, 19, 31

Knocking Noise

.........................................................................................................................

4, 10, 11, 12, 13, 14

Excessive belt wear

...................................................................................................................

10, 11, 14, 15

Squealing sound

........................................................................................................................

Moisture in pump crankcase

.....................................................................................................

1, 3, 8, 17, 18, 19, 20, 21, 22

Excessive current draw

.............................................................................................................

14, 26, 27

Compressor won’t start in cold temperatures

..........................................................................

17, 34, 35

Pressure reading on the regulated pressure gauge drops when and accessory is used

.........

Regulator knob has continuous air leak

....................................................................................

Regulator will not shut off air outlet

..........................................................................................

Air tank pressure will not build

..................................................................................................

Compressor stalls

......................................................................................................................

28, 29, 30

Overheating

...............................................................................................................................

27, 32, 33

Summary of Contents for DXCMTA1980854

Page 1: ...ive Electric Air Compressors INSTRUCTION MANUAL If you have questions or comments contact us 1 888 895 4549 www dewalt com MAT Industries LLC Long Grove IL 60047 DECEMBER16 Part No 200 3006 DXCMTA1980854 Copyright 2014 2015 2016 DEWALT ...

Page 2: ...lug K Check Valve L Quick Connect M Pilot Valve Dual Control Feature Pump Specifications 2 Cylinder Single Stage Oil Lubricated Cast iron crankcase cylinder and aluminum head Weight 41 lbs 18 6 kg Oil Capacity 16 oz 473 mL Specifications MODEL DXCMTA1980854 WEIGHT 160 lbs 73 kg HEIGHT 29 07 WIDTH 45 64 AIR TANK CAPACITY 8 gallons 30 3 liters FIG 1 M C G B D E F L A I J K H MODEL DXCMTA1980854 APPR...

Page 4: ...he safety instructions provided on the label or safety data sheets for the materials you are spraying Always use certified safety equipment NIOSH OSHA respiratory protection or properly fit ting face mask designed for use with your specific application SAVE THESE INSTRUCTIONS DANGER RISK OF EXPLOSION OR FIRE WHAT CAN HAPPEN HOW TO PREVENT IT It is normal for electrical con tacts within the motor a...

Page 5: ...ressor Modifications or attempted repairs to the air tank Never drill into weld or make any modifications to the air tank or its attachments Never attempt to repair a damaged or leaking air tank Replace with a new air tank Unauthorized modifications to the safety valve or any other components which control air tank pressure The air tank is designed to withstand specific operating pressures Never m...

Page 6: ...hing hazard serious injury or death can result Oil leaks will damage carpet paint or other surfaces in vehicles or trailers Always place compressor on a protective mat when transporting to protect against damage to vehicle from leaks Remove compressor from vehicle immediately upon arrival at your destination Always keep compressor level and never lie on its side ...

Page 7: ... electric shock Never operate the compres sor outdoors when it is rain ing or in wet conditions Never operate compres sor with protective covers removed or damaged Repairs attempted by unqualified personnel can result in serious injury or death by electrocution Any electrical wiring or repairs required on this product should be per formed by authorized ser vice center personnel in accordance with ...

Page 8: ...pairs required on this product should be performed by a DeWALT factory service center or a DeWALT authorized service center WARNING RISK OF UNSAFE OPERATION WHAT CAN HAPPEN HOW TO PREVENT IT Unsafe op er a tion of your air compressor could lead to se ri ous in ju ry or death to you or others Review and understand all instructions and warnings in this manual Be come fa mil iar with the op er a tion...

Page 9: ...ave this manual for future reference FEATURES AUTO OFF O SWITCH Place this switch B in the AUTO position to provide automatic power to the pressure switch and OFF O to remove power at the end of each use NOTE ALWAYS ensure the switch B is in the OFF O position before removing or replacing pressure switch cover PRESSURE SWITCH The pressure switch B automatically starts the motor when the air tank p...

Page 10: ...SAL QUICK CONNECT BODY The universal quick connect body L accepts the three most popular styles of quick connect plugs Industrial automotive and ARO One hand push to connect operation makes connections simple and easy REGULATOR The regulator knob E controls the air pressure coming from the air tank To Adjust Regulator 1 Pull regulator knob E out 2 Turn knob clockwise to increase regulated pressure...

Page 11: ...Set the Auto Off switch to OFF O and unplug unit 2 Allow the motor to cool 3 Depress the red reset button N on the motor 4 Plug the power cord into the correct branch circuit receptacle 5 Set the Auto Off switch to AUTO INSTALLATION Assembly Fig 1 Unpack the air compressor Inspect the unit for damage If the unit has been damaged in transit contact the carrier and complete a damage claim Do this im...

Page 12: ...that is subject to large temperature changes Two signs of excessive humidity are external condensation on the pump when it cools down and a milky appearance in compressor oil You may be able to prevent moisture from forming in the pump by increasing ventilation or operating for longer intervals Wiring Instructions WARNING Improper electrical installation of this product may void its warranty and y...

Page 13: ...tension cord that has a 3 blade grounding plug and a 3 slot receptacle that will accept the plug on the product in good condition plug is not worn no longer than 50 feet 15 2 m 12 gauge AWG or larger Wire size increases as gauge number decreases 10 AWG and 8 AWG may also be used DO NOT USE 14 OR 16 AWG NOTICE The use of an undersized extension cord will cause volt age to drop resulting in power lo...

Page 14: ...al air pressure build up in tank NOTE After about 30 minutes If the unit does not operate properly SHUT DOWN IMMEDIATELY and contact Product Service 7 Check all air line fittings and connections piping for air leaks by applying a soap solution Correct if necessary NOTE Minor leaks can cause the air compressor to overwork resulting in premature breakdown or inadequate performance 8 Check for excess...

Page 15: ... other accessories refer to the manufacturers instructions WARNING Risk of bursting If any unusual noise or vibration is noticed stop the compressor immediately and have it checked by a trained service technician The compressor is ready for use Shut down Fig 1 1 Move Auto Off switch to the OFF position NOTE If finished using compressor follow Steps 2 6 2 Pull the regulator knob out and turn counte...

Page 16: ...the compressor and bleed off all air pressure To ensure efficient operation and longer life of the air compressor outfit a routine maintenance schedule should be prepared and fol lowed The following routine maintenance schedule is geared to an outfit in a normal working environment operating on a daily basis If necessary the schedule should be modified to suit the condi tions under which your comp...

Page 17: ...icating oil and or substances which may be regulated and must be disposed of in accordance with local state and federal laws and regulations 1 Set the Auto Off switch to Off 2 Pull the regulator knob out and turn counterclockwise to set the outlet pressure to zero 3 Remove the air tool or accessory 4 Pull ring on safety valve allowing air to bleed from the tank until tank pressure is approximately...

Page 18: ... and appear to be full CAUTION Overfilling with oil will cause premature compressor failure Do not overfill 5 Replace oil fill plug U and tighten securely V Full W Add S Oil drain plug T Oil level sight glass U Oil fill plug Fig 4 U S T V W Belt Replacement WARNING This unit starts automatically ALWAYS shut off and unplug the compressor and bleed all pressure from the system before servicing the c...

Page 19: ...el and pulley must be aligned to within 1 16 1 6 mm to prevent excessive belt wear Verify the alignment by performing the following Motor Pulley Flywheel Alignment Motor Pulley Flywheel Alignment NOTE Once the motor pulley has been moved from its factory set location the grooves of the flywheel and pulley must be aligned to within 1 16 1 6 mm to prevent excessive belt wear The air compressor flywh...

Page 20: ...ter the first five hours of operation Torque to 14 16 ft lbs 18 9 21 7 Nm Service and Adjustments ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE PERFORMED BY TRAINED SERVICE TECHNICIAN WARNING Risk of unsafe operation Unit cycles automatically when power is on When servicing you may be exposed to voltage sources compressed air or moving parts Before servicing unit unplug or disconnect el...

Page 21: ...DeWALT factory service center a DeWALT authorized service center or other qualified service personnel Always use identical replacement parts Limited Warranty DEWALT Industrial Tools are warranted from date of purchase 2 Year Limited warranty on oil lubricated air compressor pumps 1 Year Limited warranty on all other air compressor components This warranty is not transferable to subsequent owners D...

Page 22: ...g components are considered normal wear items and are not covered after the first year of ownership Belts sheaves flywheels check valves pressure switches air unloaders throttle controls electric motors brushes regulators o rings pressure gauges tubing piping fittings fasteners wheels quick couplers gaskets seals air filter housings piston rings connecting rods and piston seals Labor service calls...

Page 23: ... Please call our toll free number 1 888 895 4549 for assistance THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE THE COMPANY MAKES NO OTHER WARRANTY OR REPRESENTATION OF ANY KIND WHATSOEVER EXPRESSED OR IMPLIED EXCEPT THAT OF TITLE ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE ARE H...

Page 24: ...del label is on the side of the air tank on units that comply with California Code GLOSSARY CFM Cubic feet per minute SCFM Standard cubic feet per minute a unit of measure of air delivery PSI Pounds per square inch a unit of measure of pressure Cut in pressure Factory set low pressure point that starts the compressor to repressurize the tank to a higher pressure Cut out pressure Factory set high p...

Page 25: ... from safety valve 4 Compressor is not supplying enough air to operate accessories 1 5 6 7 9 10 Restricted air intake 9 Oil in discharge air 9 19 31 Knocking Noise 4 10 11 12 13 14 Excessive belt wear 10 11 14 15 Squealing sound 10 Moisture in pump crankcase 1 3 8 17 18 19 20 21 22 Excessive current draw 14 26 27 Compressor won t start in cold temperatures 17 34 35 Pressure reading on the regulate...

Page 26: ... on ring If valve still leaks it must be replaced 5 Prolonged excessive use of air Decrease amount of air usage 6 Compressor is not large enough for accessory Check the accessory air requirement If it is higher than the SCFM or pressure supplied by your air compressor a larger compressor is needed to operate accessory 7 Hole in air hose Check and replace air hose if required 8 Unit operating in da...

Page 27: ...ttle 50 75 of the run time and idle for 25 of the run time 19 Piston rings damaged or worn Contact a DeWALT factory service center or a DeWALT authorized service center 20 Cylinder or piston damaged or worn Contact a DeWALT factory service center or a DeWALT authorized service center 21 Compressor cylinder finish worn Contact a DeWALT factory service center or a DeWALT authorized service center 22...

Page 28: ...r passages Inspect and replace transfer tubes or check valve as required 28 Low voltage motor Furnish adequate powder 29 Bad check valve Replace check valve 30 Seized pump Contact a DeWALT factory service center or a DeWALT authorized service center 31 Oil level too high Reduce to proper level See Compressor Pump Oil under Maintenance 32 Poor ventilation Relocate compressor to an area with cool dr...

Page 29: ...rove IL 60047 Under license from DEWALT Industrial Tool Co The following are trademarks for one or more DEWALT power tools thee yellow and black color scheme the D shaped air intake grill the array of pyramids on the handgrip the kit box configuration and the array of lozenge shape humps on the surface of the tool ...

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