DRYWALL SANDER
Replacement sandpaper available at
wenproducts.com
DUAL-HEAD
Model # 6377
bit.ly/wenvideo
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 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 at:
800-232-1195
(M-F 8AM-5PM CST)
techsupport@wenproducts.com
WENPRODUCTS.COM
TABLE OF CONTENTS
Technical Data
General Safety Rules
Electrical Information
Know Your Drywall Sander
Specific Safety Rules For the Drywall Sander
Assembly
Operation
Maintenance
Troubleshooting
Exploded View and Parts List
Warranty
TECHNICAL DATA
Model Number:
Motor:
Speed:
Triangular Pad Size (along one edge):
Triangular Sandpaper Size (along one edge):
Triangular Sandpaper Model Number:
Round Pad Diameter:
Round Sandpaper Diameter:
Round Sandpaper Model Number:
Sanding Pad Grits:
Tube Diameter:
Net Weight:
600 to 1500 RPM (no load)
60, 80, 120, 150, 180, 240
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6377
120 V, 60 Hz, 5A
11-1/4 inch
11-1/4 inch
6377SP
8-1/2 inch
9 inch
6369SP
1-1/4 inch
17.4 pounds
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GENERAL SAFETY RULES
Safety is a combination of common sense, staying alert and knowing how your item works.
SAVE THESE SAFETY INSTRUCTIONS.
WARNING: To avoid mistakes and serious injury, do not plug
in your tool until the following steps have been read and understood.
1. READ and become familiar with this entire instruction manual. LEARN the tool’s applications, limitations, and
possible hazards.
AVOID DANGEROUS CONDITIONS
2. DO NOT use power tools in wet or damp areas or expose them to rain.
3. DO NOT use power tools in the presence of flammable liquids or gases.
4. ALWAYS keep your work area clean, uncluttered, and well lit. DO NOT work on floor surfaces that are slippery
with sawdust or wax.
5. CHILDPROOF THE WORKSHOP. Use padlocks and master switches and ALWAYS remove starter keys
on all tools.
6. KEEP BYSTANDERS AT A SAFE DISTANCE from the work area, especially when the tool is operating.
NEVER allow children or pets near the tool.
DRESS FOR SAFETY
7. DO NOT wear loose clothing, gloves, neckties, or jewelry (rings, watches, etc.) When operating the tool. Inappropriate clothing and items can get caught in moving parts and draw you in. ALWAYS wear non-slip footwear and
tie back long hair.
8. USE SAFETY GOGGLES AT ALL TIMES that comply with ANSI Z87.1. Normal safety glasses only have
impact resistant lenses and are not designed for safety. Use ear protection such as plugs or muffs during extended
periods of operation.
9. WEAR A FACE MASK OR DUST MASK to fight the dust produced by sanding operations.
WARNING: Dust generated from certain materials can be hazardous to
your health. Always operate the tool in a well-ventilated area and provide
for proper dust removal. Use dust collection systems whenever possible.
OPERATE WITH PRECAUTIONS
10. STAY ALERT. A moments of inattention when operating power tools may result in serious personal injury.
DO NOT operate the tool if you are tired or under the influence of drugs, alcohol, or medication that may affect
your ability to properly use the tool.
11. CHECK FOR DAMAGED PARTS. Check for alignment of moving parts, jamming, breakage, improper
mounting, or any other conditions that may affect the tool’s operation. Any part that is damaged should be properly
repaired or replaced before use.
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GENERAL SAFETY RULES
12. AVOID ACCIDENTAL START-UPS. Make sure the power switch is in the OFF position before plugging in
the power cord.
13. REMOVE ADJUSTMENT TOOLS. Always make sure all adjustment tools are removed from the saw before
turning it on.
14. DO NOT FORCE THE TOOL to do a job for which it was not designed.
15. KEEP GUARDS IN PLACE AND IN WORKING ORDER.
16. DO NOT OVERREACH. Keep proper footing and balance at all times. Wear oil-resistant rubber-soled footwear. Keep the floor clear of oil, scrap, and other debris.
17. NEVER LEAVE A RUNNING TOOL UNATTENDED. Turn the power switch to OFF. Do not leave the
tool until it has come to a complete stop.
18. NEVER STAND ON A TOOL. Serious injury could result if the tool tips or is accidentally hit. DO NOT store
anything above or near the tool.
19. ALWAYS remove the power cord plug from the electrical outlet when making adjustments, changing parts,
cleaning, or working on the tool.
20. MAINTAIN TOOLS PROPERLY. ALWAYS keep tools clean and in good working order. Follow instructions for lubricating and changing accessories.
ELECTRICAL INFORMATION
Make sure your extension cord is in good condition. When using an extension cord, be sure to use one heavy
enough to carry the current your product will draw. An undersized cord will cause a drop in line voltage resulting
in loss of power and overheating. The table below shows the correct size to be used according to cord length and
nameplate ampere rating. When in doubt, use a heavier cord. The smaller the gauge number, the heavier the cord.
Make sure your extension cord is properly wired and in good condition. Always replace a damaged extension cord
or have it repaired by a qualified person before using it. Protect your extension cords from sharp objects, excessive
heat and damp/wet areas.
AMPERAGE
5 A 18 gauge 16 gauge 16 gauge 14 gauge
REQUIRED GAUGE FOR EXTENSION CORDS
25 ft. 50 ft. 100 ft. 150 ft.
Use a separate electrical circuit for your tools. This circuit must not be less than a #12 wire and should be protected
with a 15 A time-delayed fuse. Before connecting the motor to the power line, make sure the switch is in the OFF
position and the electric current is rated the same as the current stamped on the motor nameplate. Running at a
lower voltage will damage the motor.
WARNING: This tool must be grounded while in use to protect the operator from electric shock.
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