DeWalt DW 718, DW7187 Special Cuts, Removing and Replacing Belt, Maintenance, Service Information

Models: DW 718

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Special Cuts

BEVEL SETTING TYPE OF CUT

 

RIGHT SIDE, INSIDE CORNER:

33.85° Right

1.

Top of molding against fence.

2.

Miter table set at left 31.62°

 

 

3.

Save right end of cut

 

LEFT SIDE, OUTSIDE CORNER:

33.85° Right

1.

Top of molding against fence.

2.

Miter table set at left 31.62°

 

 

3.

Save left end of cut

 

RIGHT SIDE, OUTSIDE CORNER:

33.85° Left

1.

Top of molding against fence

2.

Miter table set right 31.62°

 

 

3.

Save right end of cut

When setting bevel and miter angles for all compound miters, remember that:

The angles presented for crown moldings are very precise and difficult to set exactly. Since they can easily shift slightly and very few rooms have exactly square corners, all settings should be tested on scrap molding.

PRETESTING WITH SCRAP MATERIAL IS EXTREMELY IMPORTANT!

ALTERNATIVE METHOD FOR CUTTING CROWN MOLDING

Place the molding on the table at an angle between the fence and the saw table, as shown in Figure 18. Use of the crown molding fence accessory (DW7084) is highly recommended because of its degree of accuracy and convenience. The crown molding fence accessory is available for purchase from your local dealer.

The advantage to cutting crown molding using this method is that no bevel cut is required. Minute changes in the miter angle can be made without affecting the bevel angle. This way, when corners other than 90º are encountered, the saw can be quickly and easily adjusted for them. Use the crown molding fence accessory to maintain the angle at which the molding will be on the wall.

INSTRUCTIONS FOR CUTTING CROWN MOLDING ANGLED BETWEEN THE FENCE AND BASE OF THE SAW FOR ALL CUTS:

1.Angle the molding so the bottom of the molding (part which goes against the wall when installed) is against the fence and the top of the molding is resting on the base of the saw, as shown in Figure 18.

2.The angled “flats” on the back of the molding must rest squarely on the fence and base of the saw.

INSIDE CORNER:

OUTSIDE CORNER:

Left side

Left side

1.

Miter right at 45°

1. Miter left at 45°

2.

Save right side of cut

2. Save right side of cut

Right side

Right side

1.

Miter left at 45°

1. Miter right at 45°

2.

Save left side of cut

2. Save left side of cut

Special Cuts

NEVER MAKE ANY CUT UNLESS THE MATERIAL IS SECURED ON THE TABLE AND AGAINST THE FENCE.

ALUMINUM CUTTING

ALWAYS USE THE APPROPRIATE SAW BLADE MADE ESPECIALLY FOR CUTTING ALUMINUM. These are available at your local DEWALT retailer or DEWALT service center. Certain workpieces, due to their size, shape or surface finish, may require the use of a clamp or fixture to prevent movement during the cut. Position the material so that you will be cutting the thinnest cross section, as shown in Figure 19. Figure 20 illustrates the wrong way to cut these extrusions. Use a stick wax cutting lubricant when cutting aluminum. Apply the stick wax cutting lubricant directly to the saw blade before cutting. Never apply stick wax to a moving blade.

The wax, available at most hardware stores and industrial mill supply houses, provides proper lubrication and keeps chips from adhering to the blade.

Be sure to properly secure workpiece.

Refer to Saw Blades under Optional Accessories for correct saw blade.

BOWED MATERIAL

When cutting bowed material always position it as shown in Figure 21 and never like that shown in Figure 22. Positioning the material incorrectly will cause it to pinch the blade near the completion of the cut.

CUTTING PLASTIC PIPE OR OTHER ROUND MATERIAL

Plastic pipe can be easily cut with your saw. It should be cut just like wood and CLAMPED OR HELD FIRMLY TO THE FENCE TO KEEP IT FROM ROLLING. This is extremely important when making angle cuts.

CUTTING LARGE MATERIAL

Occasionally you will encounter a piece of wood a little too large to fit beneath the blade guard. If this occurs, simply place your right thumb on the upper side of the guard and roll the guard up just enough to clear the workpiece, as shown in Figure 23. Avoid doing this as much as possible, but if need be, the saw will operate properly and make the bigger cut. NEVER TIE,

TAPE, OR OTHERWISE HOLD THE GUARD OPEN WHEN OPERATING THIS SAW.

SPECIAL SET-UP FOR WIDE CROSSCUTS

Your saw can cut very wide [up to 16" (406 mm)] workpieces when a special set up is used. To set the saw up for these workpieces, follow these steps:

1.Remove both left and right sliding fences from the saw and set aside. To remove them, unscrew the fence knobs several turns and slide each fence outward. Adjust and lock the miter control so that it is at 0º miter.

2.Make a platform using a piece of 1.5" (38 mm) thick particleboard or similar flat strong 1.5" thick wood to the dimensions: 14.5" x 26" (368 x 660 mm). The platform must be flat otherwise the material could move during cutting and cause injury.

3.Mount the 14.5" x 26" (368 x 600 mm) platform to the saw using four 3" (76.2 mm) long wood screws through the holes in the base fence (Fig. 24). Four screws must be used to properly secure the material. When the special set up is used, the platform will be cut into two pieces. Ensure the screws are tightened properly otherwise material could loosen and cause injury. Ensure the platform is firmly flat on the table, against the fence, and centered evenly from left to right.

Removing and Replacing BeltWARNING: Ensure the saw is mounted firmly to a stable flat surface. Failure to do so could cause the saw to be unstable and fall causing personal injury.

4.Place the workpiece to be cut on top of the platform mounted to the table. Ensure the workpiece is firmly against the backfence (Fig. 25).

5.Secure the material before cutting. Cut slowly through the material using a out-down-and- back motion. Failure to clamp securely or cut slowly could result in the material coming loose and causing injury.

After several cuts are made at various miter angles other than 0º, the platform may weaken and not properly support the work. Install a new, unused platform to the saw after presetting the desired miter angle.

MAINTENANCECAUTION: Continued use of a platform with several kerfs may cause loss of material control and possible injury.

Removing and Replacing Belt

The belt is designed to last the life of the tool. However, abuse of the tool could cause the belt to fail.

If the blade does not turn when the motor is running, the belt has failed. To inspect or replace the belt, remove the belt cover screws. Remove the belt cover. Inspect the ribs of the belt for wear or failure. Check belt tension by squeezing the belt as shown in Figure 26. The belt halves should almost touch when squeezing firmly with the thumb and index finger. To adjust the tension, loosen, but do not remove, the four Phillips head screws shown. Then rotate the set screw on the top of the motor plate casting until the proper tension is achieved. Tighten the four screws securely and replace the belt cover.

NOTE: Over tightening the belt will cause premature motor failure.

MAINTENANCE

DO NOT use lubricants or cleaners (particularly spray or aerosol) in the vicinity of the plastic guard. The polycarbonate material used in the guard is subject to attack by certain chemicals.

1.All bearings are sealed. They are lubricated for life and need no further maintenance.

2.Periodically clean all dust and wood chips from around AND UNDER the base and the rotary table. Even though slots are provided to allow debris to pass through, some dust will accumulate.

3.The brushes are designed to give you several years of use. If they ever need replacement follow the instructions under Brushes or return the tool to the nearest service center for repair. Service center locations are packed with your tool.

Service Information

Please have the following information available for all service calls:

Model Number __________________ Serial Number _____________________________________

Date and Place of Purchase __________________________________________________________

Repairs

To assure product SAFETY and RELIABILITY, repairs, maintenance and adjustment should be performed by a DEWALT factory service center, a DEWALT authorized service center or other qualified service personnel. Always use identical replacement parts.

Three Year Limited Warranty

DEWALT will repair, without charge, any defects due to faulty materials or workmanship for three years from the date of purchase. This warranty does not cover part failure due to normal wear or tool abuse. For further detail of warranty coverage and warranty repair information, visit www.dewalt.com or call 1-800-4-DEWALT (1-800-433-9258). This warranty does not apply to accessories or damage caused where repairs have been made or attempted by others. This warranty gives you specific legal rights and you may have other rights which vary in certain states or provinces.In addition to the warranty, DEWALT tools are covered by our:

1 YEAR FREE SERVICE

DEWALT will maintain the tool and replace worn parts caused by normal use, for free, any time during the first year after purchase.

90 DAY MONEY BACK GUARANTEE

If you are not completely satisfied with the performance of your DEWALT Power Tool, Laser, or Nailer for any reason, you can return it within 90 days from the date of purchase with a receipt for a full refund – no questions asked.

LATIN AMERICA: This warranty does not apply to products sold in Latin America. For products sold in Latin America, see country specific warranty information contained either in the packaging, call the local company or see website for warranty information.

FREE WARNING LABEL REPLACEMENT: If your warning labels become illegible or are missing, call 1-800-4-DEWALT (1-800-433-9258) for a free replacement.

Patent Notification

Manufactured under one or more of the following U.S. patents:

6,823,765

6,101,914

5,907,987

5,375,495

6,810,780

6,035,754

5,862,734

5,285,708

6,520,059,

6,032,563

5,582,089

5,199,343

Other patents may be pending.

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

1. Dull blade

1.

Replace blade. Refer to Changing or Installing a New Saw Blade.

unsatisfactory cuts

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 turpentine and coarse steel wool or household oven cleaner

 

4.

Incorrect blade for work being done

4.

Change the blade type. Refer to Saw Blades.

 

 

 

 

Blade does not come up to

1. Extension cord too light or too long

1.

Replace with adequate size cord. Refer to Use Proper Extension Cord under Important

speed

 

 

 

Safety Instructions.

 

2.

Low house current

2.

Contact your electric company.

 

 

 

 

Machine vibrates excessively

1. Saw not mounted securely to stand or work

1.

Tighten all mounting hardware. Refer to Bench Mounting.

 

 

bench

 

 

 

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

1. Miter scale not adjusted correctly

1.

Check and adjust. Refer to Miter Scale Adjustment under Adjustments.

miter cuts

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.

 

 

 

 

 

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DeWalt DW 718 Special Cuts, Removing and Replacing Belt, Maintenance, Service Information, Repairs, Patent Notification