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A

A

B

B

C

C

D

D

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E

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F

8

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DRAWN

CHK'D

APPV'D

MFG

Q.A

UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH:
TOLERANCES:

   LINEAR:
   ANGULAR:

FINISH:

DEBURR AND 
BREAK SHARP 
EDGES

NAME

SIGNATURE

DATE

MATERIAL:

DO NOT SCALE DRAWING

REVISION

TITLE:

DWG NO.

SCALE:1:20

SHEET 1 OF 1

A3

WEIGHT: 

6377 extension insert

6

ASSEMBLY

1. Unfold the front and back of the 
drywall sander. Push the clasp fully into 
the closed position (Fig. A).

2. Attach the base pad. The shaft cap 
on the back of the base pad(Fig. B - 1) 
needs to match the hole alignment on 
the drywall sander head (Fig. B - 2) to 
be installed.

Use the included spanner to adjust the 
angle of the shaft cap. Then press the 
base pad tightly on to the drywall sand-
er. The shaft cap on the round base pad 
can also be rotated by hand. 

3. Pull the knob (Fig. C - 1) on the 
side of the head and slide it upward to 
secure the base pad in place. Check 
to make sure the base pad is securely 
aligned and attached.

4. Attach the sanding disc of your 
choice to the face of the hook and loop 
base pad. Ensure the holes are aligned 
on the bottom of the pad (Fig. D).

Fig. A

1

2

3

1

Fig. B

Fig. C

Fig. E

Fig. D

1

2

WARNING: 

DO NOT attempt to plug in or operate this tool until 

it is completely assembled and installed according to the instructions. 

Max

5. Attach the optional handle extension. Rotate the locking nut (Fig. E - 1) counter-
clockwise to loosen it. Insert the extension tube with the connection adapter (Fig. E 
- 2) into the main drywall sander. Slide the extension tube to the ideal length.
NOTE: the connection adapter (Fig. E - 2) cannot be below the maximum length 
indication line on the extension tube (Fig. E - 3), otherwise the handle extension will 
not be tightened. Rotate the locking nut clockwise to lock the handle extension in 
place. Check that the handle extension is securely attached.

6. If you would like to use a dust collection device, insert the hose connection port 
into the end of the additional handle extension, or directly into the end of the main 
drywall sander assembly if you choose not to use the handle extension.

NOTE: A dust collection device is recommended to cut down on mess and the po-
tentially harmful particulates in the air produced from sanding.

7. Connect one end of the dust hose to the end of the hose connection port and the 
other to the dust extraction device of your choice.

Summary of Contents for 6377

Page 1: ...gged 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 IMPORTANT NEED HELP CONTACT US Have product questions Need technical support Please feel free to contact us at 800 232 1195 techsupport wenproducts com WENPRODUCTS COM M F 8AM 5PM CST Replacement...

Page 2: ...Information Know Your Drywall Sander Operation Maintenance 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 2 Troubleshooting Assembly Specific S...

Page 3: ... 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 OPERATE WITH PRECAUTIONS 10 STAY ALERT A moments of inattention wh...

Page 4: ...lance at all times Wear oil resistant rubber soled foot wear 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 ...

Page 5: ...to be rated at a minimum of 1500 RPM Do not use accessories rated at speeds below the machine s maximum RPM 8 Never use damaged accessories Always check 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 cl...

Page 6: ...embled and installed according to the instructions Max 5 Attach the optional handle extension Rotate the locking nut Fig E 1 counter clockwise to loosen it Insert the extension tube with the connection adapter Fig E 2 into the main drywall sander Slide the extension tube to the ideal length NOTE the connection adapter Fig E 2 cannot be below the maximum length indication line on the extension tube...

Page 7: ...quality of the results are mainly determined by choosing the right abrasive material for the job 6 Once the sanding task has been completed turn off the machine Wait for the pad to stop rotating before set ting down the machine CLEANING AND MAINTAINING YOUR DRYWALL SANDER Clean the unit immediately after using it Regularly clean the unit with a damp cloth and a little soft soap Do not use cleaners...

Page 8: ... plastic shaft cap on the back of the triangular base pad Fig G 1 and the round base pad is a consumable item that needs to be routinely replaced Spare caps are included on the back of the trian gular pad Fig G 2 Use the spanner to remove the worn shaft cap and replace with a new cap Adjust the angle of the shaft cap with a spanner to match the hole alignment Fig B before attaching it back onto th...

Page 9: ...9 EXPLODED VIEW AND PARTS LIST ...

Page 10: ...Speed Control Plate 124 6369 069 Potentiometer 125 6369 070 Speed Button 126 6377 163 Inner Wire 127 6369 071 Cable 128 6369 072 Cable Sleeve 129 6369 073 Left Main Handle No Part Number Part Description 130 6369 074 Aluminum Pipe Insert 131 6369 075 Cable Pressing Plate 132 6369 076 Left Sub Handle 133 6369 077 Aluminum Pipe 134 6369 078 Back Hinge Sleeve 135 6369 079 Ø5x45 Pin 136 6369 080 Ø5 Cl...

Page 11: ... prepaid by the purchaser The prod uct must be shipped in its original container or an equivalent properly packed to withstand the hazards of ship ment The product must be fully insured with a copy of the warranty card and or the proof of purchase enclosed There must also be a description of the problem in order to help our repairs department diagnose and fix the issue Repairs will be made and the...

Page 12: ...12 THANKS FOR REMEMBERING ...

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