Dewalt DWS780 Instruction Manual - Page 7

Troubleshooting Guide - stand

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TROUBLE! Saw will not start Saw makes unsatisfactory cuts Blade does not come up to speed Machine vibrates excessively Does not make accurate miter cuts Material pinches blade Troubleshooting Guide BE SURE TO FOLLOW SAFETY RULES AND INSTRUCTIONS WHAT'S WRONG? 1. Saw not plugged in 2. Fuse blown or circuit breaker tripped 3. Cord damaged 4. Brushes worn out 1. Dull blade 2. Blade mounted backwards 3. Gum or pitch on blade 4. Incorrect blade for work being done 1. Extension cord too light or too long 2. Low house current 1. Saw not mounted securely to stand or work bench 2. Stand or bench on uneven floor 3. Damaged saw blade 1. Miter scale not adjusted correctly 2. Blade is not square to fence 3. Blade is not perpendicular to table 4. Workpiece moving 1. Cutting bowed material WHAT TO DO 1. Plug in saw. 2. Replace fuse or reset circuit breaker. 3. Have cord replaced by authorized service center. 4. Have brushes replaced by authorized service center or replace them yourself. Refer to Brushes. 1. Replace blade. Refer to Changing or Installing a New Saw Blade. 2. Turn blade around. Refer to Changing or Installing a New Saw Blade. 3. Remove blade and clean with coarse steel wool and turpentine or household oven cleaner. 4. Change the blade type. Refer to Saw Blades under Optional Accessories. 1. Replace with adequate size cord. Refer to Use Proper Extension Cord under Important Safety Instructions. 2. Contact your electric company. 1. Tighten all mounting hardware. Refer to Bench Mounting. 2. Reposition on flat level surface. Refer to Familiarization. 3. Replace blade. Refer to Changing or Installing a New Saw Blade. 1. Check and adjust. Refer to Miter Scale Adjustment under Adjustments. 2. Check and adjust. Refer to Miter Scale Adjustment under Adjustments. 3. Check and adjust fence. Refer to Bevel Square to Table Adjustment under Adjustments. 4. Clamp workpiece securely to fence or glue 120 grit sandpaper to fence with rubber cement. 1. Refer to Bowed Material under Special Cuts. SET THIS MITER ANGLE ON SAW ANGLE OF SIDE OF BOX (ANGLE A) TABLE 1: COMPOUND MITER CUT (POSITION WOOD WITH BROAD FLAT SIDE ON THE TABLE AND THE NARROW EDGE AGAINST THE FENCE) 10 20 30 40 10 20 10 20 30 30 40 6-SIDED 50 BOX 40 8-SIDED 50 BOX 60 60 70 80 70 80 50 SQUARE BOX 60 70 80 SET THIS BEVEL ANGLE ON SAW

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TABLE 1: COMPOUND MITER CUT
(POSITION WOOD WITH BROAD FLAT SIDE ON THE TABLE AND THE NARROW EDGE AGAINST THE FENCE)
SET THIS MITER ANGLE ON SAW
ANGLE OF SIDE OF BOX (ANGLE A)
SQUARE BOX
6-SIDED BOX
SET THIS BEVEL ANGLE ON SAW
8-SIDED BOX
Troubleshooting Guide
BE SURE TO FOLLOW SAFETY RULES AND INSTRUCTIONS
TROUBLE!
WHAT’S WRONG?
WHAT TO DO
Saw will not start
1. Saw not plugged in
1. Plug in saw.
2. Fuse blown or circuit breaker tripped
2. Replace fuse or reset circuit breaker.
3. Cord damaged
3. Have cord replaced by authorized service center.
4. Brushes worn out
4. Have brushes replaced by authorized service center or replace them yourself. Refer to
Brushes
.
Saw makes
unsatisfactory cuts
1. Dull blade
1. Replace blade. Refer to
Changing or Installing a New Saw Blade
.
2. Blade mounted backwards
2. Turn blade around. Refer to
Changing or Installing a New Saw Blade
.
3. Gum or pitch on blade
3. Remove blade and clean with coarse steel wool and turpentine or household oven cleaner.
4. Incorrect blade for work being done
4. Change the blade type. Refer to
Saw Blades
under
Optional Accessories
.
Blade does not come up to
speed
1. Extension cord too light or too long
1. Replace with adequate size cord. Refer to
Use Proper Extension Cord
under
Important Safety
Instructions
.
2. Low house current
2. Contact your electric company.
Machine vibrates excessively
1. Saw not mounted securely to stand or work
bench
1.
Tighten all mounting hardware. Refer to
Bench Mounting
.
2. Stand or bench on uneven floor
2. Reposition on flat level surface. Refer to
Familiarization
.
3. Damaged saw blade
3. Replace blade. Refer to
Changing or Installing a New Saw Blade
.
Does not make accurate
miter cuts
1. Miter scale not adjusted correctly
1. Check and adjust. Refer to
Miter Scale Adjustment
under
Adjustments
.
2. Blade is not square to fence
2. Check and adjust. Refer to
Miter Scale Adjustment
under
Adjustments
.
3. Blade is not perpendicular to table
3. Check and adjust fence. Refer to
Bevel Square to Table Adjustment
under
Adjustments
.
4. Workpiece moving
4. Clamp workpiece securely to fence or glue 120 grit sandpaper to fence with rubber cement.
Material pinches blade
1. Cutting bowed material
1. Refer to
Bowed Material
under
Special Cuts
.