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6.3-AMP 

DRYWALL SANDER

Instruction Manual

IMPORTANT: 

Your new tool has been engineered and manufactured to WEN’s highest standards for dependability, 

ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged, 

trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use 

your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.

NEED HELP? CONTACT US!

Have product questions? Need technical support? Please feel free to contact us:

TECHSUPPORT@WENPRODUCTS.COM

1-800-232-1195 (M-F 8AM-5PM CST)

For replacement parts and the most up-to-date instruction manuals, visit

 

WENPRODUCTS.COM

MODEL DW6394

Summary of Contents for DW6394

Page 1: ...ouble free performance Pay close attention to the rules for safe operation warnings and cautions If you use your tool properly and for its intended purpose you will enjoy years of safe reliable service NEED HELP CONTACT US Have product questions Need technical support Please feel free to contact us TECHSUPPORT WENPRODUCTS COM 1 800 232 1195 M F 8AM 5PM CST For replacement parts and the most up to ...

Page 2: ... Your Drywall Sander 9 Assembly Adjustments 9 OPERATION MAINTENANCE 10 Operation 10 Maintenance 11 Troubleshooting Guide 12 Exploded View Parts List 13 Warranty Statement 16 2 To purchase replacement sandpaper for your tool visit WENPRODUCTS COM 80 Grit Drywall Sandpaper 10 Pack Model DW80SP 120 Grit Drywall Sandpaper 10 Pack Model DW120SP 240 Grit Drywall Sandpaper 10 Pack Model DW240SP ...

Page 3: ...that your tool does not exactly match this manual please visit wenproducts com for the most up to date manual or contact our customer service at 1 800 232 1195 Keep this manual available to all users during the entire life of the tool and review it frequently to maximize safety for both yourself and others Indicates danger warning or caution The safety symbols and the explanations with them deserv...

Page 4: ...hock PERSONAL SAFETY 1 Stay alert watch what you are doing and use com mon sense when operating a power tool Do not use a power tool while you are tired or under the influence of drugs alcohol or medication A moment of inatten tion while operating power tools may result in serious personal injury 2 Use personal protective equipment Always wear eye protection Protective equipment such as a respira ...

Page 5: ...cordance with these instructions taking into ac count the working conditions and the work to be per formed Use of the power tool for operations different from those intended could result in a hazardous situa tion 8 Use clamps to secure your workpiece to a stable surface Holding a workpiece by hand or using your body to support it may lead to loss of control 9 KEEP GUARDS IN PLACE and in working or...

Page 6: ...ck whether accessories are nicked or cracked prior to operation in particular the grinding pad support plate Run the machine at maximum speed for one minute in order to test accessories before using them to sand anything Make sure bystanders stand clear during this testing phase 7 Do not put down the machine until the pad s rota tion has completely stopped 8 Regularly clean your machine s exhaust ...

Page 7: ...ction of the equipment grounding conductor can result in electric shock The conductor with the green insulation with or without yellow stripes is the equipment grounding conductor If repair or replacement of the electric cord or plug is necessary DO NOT connect the equipment grounding conductor to a live terminal 1 Examine extension cord before use Make sure your extension cord is properly wired a...

Page 8: ...is card the packaging until everything is removed Check the packing list below to make sure you have all of the parts and accessories If any part is missing or broken please contact customer service at 1 800 232 1195 M F 8 5 CST or email techsupport wenproducts com UNPACKING PACKING LIST PACKING LIST Accessories Hardware 8 Drywall Sander 1 Dust Hose 1 5mm Hex Wrench 1 Assorted Grit Sandpaper 6 Dus...

Page 9: ...ided dust port adapters depending on the port on your dust collection device ASSEMBLY ADJUSTMENTS Fig 2 1 2 Fig 3 1 3 WARNING To avoid injury from accidental startups turn switch OFF and remove the plug from the power source outlet before making any adjustments 2 9 TOOL PURPOSE Sand plastered walls ceilings and interior walls as well as remove paper residues paint layers coat ings adhesive residue...

Page 10: ...trol to keep the pad running at a relatively consistent rate despite changes in applied load TURNING ON THE DRYWALL SANDER After setting the variable speed to your desired RPM power the machine by pressing forward on the power switch Fig 5 1 SANDING CLOSE TO CORNERS Your drywall sander comes equipped with a detachable brush Fig 6 1 that allows you to be able to sand closer to corners To remove the...

Page 11: ...be replaced When the brush head is less than 1 4 inch replace the brushes Always replace the brushes in pairs 1 Unscrew the brush caps Fig 9 1 on each side of the motor housing 2 Remove the carbon brush from its compartment and check the length of the silver head MAINTENANCE Fig 8 1 Fig 9 1 3 If the head is less than 1 4 replace the brushes Otherwise replace the brush in the same orientation as th...

Page 12: ...rations Motor gets excessively hot 1 Foreign substances have gotten inside the motor 1 Unplug the unit and inspect for for eign substances Remove any foreign substances if found 2 Too high of load has been applied 2 Let the unit rest for a few minutes and use less pressure during sanding operations Frequent sparks occur on the commutator 1 There is a short circuit in the motor armature 1 Have the ...

Page 13: ...13 EXPLODED VIEW PARTS LIST ...

Page 14: ...4 033 O ring 14x2 1 34 DW6394 034 M4s35 Screw 1 35 DW6394 035 Tube Clamp 2 No Part No Description Qty 36 DW6394 036 Flexible Shaft 1 37 DW6394 037 Flexible Tube 1 39 DW6394 039 M4x40 Screw 2 40 DW6394 040 M4x10 Screw 2 41 DW6394 041 Aluminum Pipe Joint 1 42 DW6394 042 Thin Joint Connector 1 43 DW6394 043 Screw Joint 1 44 DW6394 044 Transmission Shaft 1 45 DW6394 045 Left Hand Grip Housing 1 46 DW6...

Page 15: ...rge Gear 1 83 DW6394 083 Ball Bearing XA J6902RS 1 84 DW6394 084 Motor Output Shaft 1 EXPLODED VIEW PARTS LIST No Part No Description Qty 85 DW6394 085 Ø28 mm Retaining Ring 1 86 DW6394 086 Gearbox Cap 1 87 DW6394 087 ST4x35 Screw 6 88 DW6394 088 Right Hand Grip Housing 1 89 DW6394 089 Lower Right Motor Housing 1 90 DW6394 090 ST4 2x16 Screw 20 91 DW6394 091 Right Bottom Cover 1 92 DW6394 092 Powe...

Page 16: ...nd products may need to be sent to WEN before the replacements can be shipped out turning a product for warranty service the shipping charges must be prepaid by the purchaser The product must be shipped in its original container or an equivalent properly packed to withstand the hazards of shipment The product must be fully insured with a copy of the proof of purchase enclosed There must also be a ...

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