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These safety instructions can’t possibly warn of every scenario that may arise with this tool, 

so always make sure to stay alert and use common sense during operation.

DRYWALL SANDER SAFETY WARNINGS

WARNING!

 Do not let comfort or familiarity with the product replace strict adherence to product safety rules. 

Failure to follow the safety instructions may result in serious personal injury. 

KICKBACK AND RELATED WARNINGS

Kickback is a sudden reaction to a pinched or snagged 

rotating wheel, backing pad, brush or any other acces-

sory. Pinching or snagging causes rapid stalling of the 

rotating accessory which in turn causes the uncontrolled 

power tool to be forced in the direction opposite of the 

accessory’s rotation at the point of the binding. 

Kickback is the result of power tool misuse and/or in-

correct operating procedures or conditions and can be 

avoided by taking proper precautions as given below.

1. Maintain a firm grip on the power tool and position 

your body and arm to allow you to resist kickback forces. 

Always use auxiliary handle, if provided, for maximum 

control over kickback or torque reaction during start-up. 

The operator can control torque reactions or kickback 

forces, if proper precautions are taken.

2. Never place your hand near the rotating accessory. 

The accessory may kickback over your hand.

3. Do not position your body in the area where power 

tool will move if kickback occurs. Kickback will propel 

the tool in the direction opposite to the wheel’s move-

ment at the point of snagging.

4. Use special care when working corners, sharp edges 

etc. Avoid bouncing and snagging the accessory. Cor-

ners, sharp edges or bouncing have a tendency to snag 

the rotating accessory and cause loss of control or kick-

back.

VIBRATION SAFETY

This tool vibrates during use. Repeated or long-term 

exposure to vibration may cause temporary or perma-

nent physical injury, particularly to the hands, arms and 

shoulders. To reduce the risk of vibration-related inju-

ries:

1. First be examined by a doctor and then have regular 

medical check-ups to ensure medical problems are not 

being caused or worsened from using this tool. People 

who are pregnant, have impaired blood circulation to the 

hand, past hand injuries, nervous system disorders, dia-

betes, or Raynaud’s disease should NOT use this tool.

2. If you feel any symptoms related to vibration (such 

as tingling, numbness, and white or blue fingers), stop 

working and seek medical advice as soon as possible.

3. Wear suitable work gloves to reduce the effects of 

vibration.

4. Hold the tool firmly enough to keep safe control of it, 

but NOT too tightly. The risk associated with vibration is 

increased when the gripping force is high. Let the tool 

do the work.

5. Take vibration-free breaks during each day of work.

7

Summary of Contents for 20409

Page 1: ...rouble 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 1 847 429 9263 M F 8AM 5PM CST For replacement parts and the most up to...

Page 2: ...0 To purchase accessories and replacement parts for your tool visit WENPRODUCTS COM WEN plans to continue to add more items to our 20V line For an up to date list of the 20V cordless tools compatible with the included battery and charger visit wenproducts com and search model number 20202 2Ah 20204 4Ah or 20205 5Ah In the battery s description there will be a list of current products that this bat...

Page 3: ... 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 deserve your careful attention and understanding Always follow the safety precautions to reduce the risk of fire electric shock or personal injury However please note that these instructions and warnings are not substitutes for ...

Page 4: ... shock 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 respir...

Page 5: ...accordance 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 ...

Page 6: ...defects asthma and or dermatitis Work in a well ventilated environment and wear a dust mask specially designed to filter out micro scopic particles Safety non slip work boots Safety helmet if any work is being carried out above your head 5 The rated speed of the accessories must be great er than or equal to the tool s maximum speed of 1200 RPM Do not use accessories rated at speeds below the machi...

Page 7: ... The accessory may kickback over your hand 3 Do not position your body in the area where power tool will move if kickback occurs Kickback will propel the tool in the direction opposite to the wheel s move ment at the point of snagging 4 Use special care when working corners sharp edges etc Avoid bouncing and snagging the accessory Cor ners sharp edges or bouncing have a tendency to snag the rotati...

Page 8: ...g in loss of power and overheating The table below shows the correct size to be used according to cord length and ampere rating When in doubt use a heavier cord The smaller the gauge number the heavier the cord DOUBLE INSULATED CHARGER The charger s electrical system is double insulated where two systems of insulation are provided This eliminates the need for the usual three wire grounded power co...

Page 9: ...ery packs may explode causing personal injury or dam age Toxic fumes and materials are created when battery packs are burned Do not crush drop or damage battery packs Do not use the battery pack or charger if they have sustained a sharp blow been dropped run over or have been dam aged in any way i e pierced with a nail hit with a ham mer stepped on etc Do not disassemble Incorrect reassembly may p...

Page 10: ...ances please read the waste disposal information for proper battery disposal 8 If the battery pack suffers overloading and overheating the integrated protective cutoff will switch off the equip ment for safety reasons 9 Use only original battery packs The use of other batteries poses a fire risk and may result in injuries or an explo sion ABOUT THE CHARGER Protect battery charger and cord from dam...

Page 11: ...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 1 847 429 9263 M F 8 5 CST or email techsupport wenproducts com Only included with model number 20409 Description Qty Drywall Sander 1 Hook and Loop Sanding Discs 60 80 120 150 180 and 240 Grit 6 Dust Hose 1 Extension Pole 1 Shoulder Strap 1 5mm Hex Wren...

Page 12: ... become famil iarized with all the parts and controls of your drywall sander The components will be referred to later in the manual for assembly and operation instructions Power Switch Extension Locking Lever Variable Speed Adjustment Wheel Locking Clasp 5 0 Ah Li Ion Battery Hook Loop Base Pad Only included with model number 20409 12 ...

Page 13: ......

Page 14: ...m the charger and unplug the charger from the power supply NOTE Battery will not reach full charge the first time it is charged Allow several cycles for the battery to fully charge The battery pack may become warm while charging this is normal If the battery is hot after continuous use in the tool allow it to cool to room temperature before charging This will prolong the life of your battery The b...

Page 15: ...ne by pressing forward on the power switch Fig 5 2 LOCK FOR CEILING SANDING The sanding head can be locked for ceiling sanding by attaching the rubber band Fig 6 1 to the hook Fig 6 2 on the front of the sander head This ensures that the sanding surface always faces upwards making it easy to position the sander on the ceiling USING DUST COLLECTION A dust collection system can be used with your dry...

Page 16: ...dust and debris to prevent the motor from overheating 4 Most plastics are susceptible to damage from various types of commercial solvents Do not use any solvents or cleaning products that could damage the plastic parts Some of these include but are not limited to gasoline carbon tetrachloride chlorinated cleaning solvents ammonia and household detergents that contain ammonia 5 Store the tool in a ...

Page 17: ...EXPLODED VIEW PARTS LIST NOTE Not all parts may be available for purchase Parts and accessories that wear down over the course of normal use are not covered under the warranty 17 ...

Page 18: ...on Ring 1 33 20409 033 Stator 1 34 20409 034 Motor Housing 1 No Part No Description Qty 35 20409 035 Screw M5x45 4 36 20409 036 Power Cord Bracket 1 37 20409 037 Self tapping Screw 7 38 20409 038 Strain relief Sleeve 1 39 20409 039 Right Head Arm 1 40 20409 040 Rubber Sleeve 2 41 20409 041 Rubber Band 1 42 20409 042 Suction Hose 1 43 20409 043 Hose Clamp 2 44 20409 044 Pin 2 45 20409 045 Left Head...

Page 19: ... 20409 086 Lock Ring 1 87 DW5062 108 Hex Wrench S5 1 88 6369 103 Flexible Hose 1 89 20409 089 Intermediate Dust Hose 1 90 20409 090 Ø35 Vacuum Adapter 1 91 20409 091 Intermediate Adapter 1 92 6362 054 Middle Connector 1 93 DW5062 102 Ø47 Vacuum Adapter 1 94 DW6394 001 Sandpaper 1 95 20409 095 Screw 2 96 20409 096 Right Label 1 97 20409 097 Left Label 1 98 20409 098 Right Motor Label 1 99 20409 099...

Page 20: ...efective parts and 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...

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