D254-O4 DeWALT Drill - Overview
Diagrams for D254-O4
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Ball Bearing (6001Z)
Part #330003-09
Plug 120V 2Wire
Part #234900-02
Brush and Lead Assy. (Sold Individually)
Part #143803-00
Genuine DeWalt replacement part. rnIncludes 1 Carbon Brush with wire lead in rubber sheath attached.rnrn • Worn brushes are frequently the cause of a poorly running motor. • Replacing brushes can fix an intermittently operating motor. • New brushes can restore a motor's electric braking. Carbon motor brushes are one of the most...Read more commonly replaced power tool parts. The reason is that carbon brushes are wear items, meaning that through friction and use they will gradually wear away and eventually will need replacing. Worn brushes are a common causes of intermittent motor function, reduced electric braking and reduced motor power. A worn-out brush will often be worn down near to the wire lead and can be cracked, pitted, or burned. When replacing carbon brushes, also check your armature for burns, cracks, or other damage which are indications of a larger motor problem needing attention.
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Seal
Part #696534-00
It is a genuine item that is supplied directly from the original equipment manufacturer for use with DeWALT and Black and Decker screwdrivers. This special component is utilized to provide an air-tight seal between connected parts, please make sure to refer to the appropriate diagrams of your model for the correct location and application...Read more of this hardware. Keep in mind over time the material may wear out and crack eventually requiring a replacement. It is a high-quality seal which is made of durable material is sold individually.
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Ball
Part #696631-00
Genuine Dewalt replacement part, this item is sold individually. The 696631-00 Steel Ball is part of the chuck assembly of the Impact Drivers shown below. When you pull back the sleeve of the chuck assembly and insert your bit, the Steel Ball is the part that locks the bit in the chuck assembly. In the Screw Drivers listed below this is the part that secures the Bit Holder in the spindle.
Spring
Part #86211-00
This is a genuine manufacturer-approved component which is designed for use with DeWALT and Black and Decker screwdrivers. The purpose of a spring is to apply tension on the guide in the clutch. Unfortunately, over time it may wear out, get damaged or simply lost eventually requiring a replacement. To ensure the exact location and the cor...Read morerect application of this hardware, refer to the diagrams of your model. One durable metal spring is included.
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Brush Spring
Part #445860-00
This is a genuine OEM replacement part, it is sold individually. This part is used to keep the brush tight against the armature so the tool will work properly. Over time when the brushes wear down and heat is created, the spring may lose its tension and will have to be replaced.
Cord/10ft./18-2
Part #448557-98
This replacement 10 foot power cord is specially produced for Black and Decker and Dewalt power tools. It is designed to connect to a standard US outlet supplying power to the tool. Please note one rubber insulated cord is included per order, the cord protector is not included it is sold separately. To complete this repair you will need a screwdriver.
Guide
Part #021287-00
A genuine item that is supplied directly from the original equipment manufacturer for use with DeWALT and Black and Decker screwdrivers. It is a high-quality replacement for a faulty or missing guide that was installed on a new tool. To ensure the proper application, refer to the owner's manual and the diagrams for your specific model. No...Read morete, this high-quality guide is made of durable metal and is sold as an individual item. A screwdriver will be needed to take apart and reassemble the housing when performing this repair.
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O-ring
Part #034158-00
O-rings are designed to contain thousands of pounds of pressure by creating a seal between two or more parts. O-ring measurements are defined by the inside diameter and the thickness.
There are many causes for O-Ring failure, such as pressure, friction, temperature or chemicals. The most common are:
• Extrusion and Nibbling...Read moreu> - O-ring has ragged, tattered edges. These are commonly caused by pressure spikes which shear off tiny "bites" from the o-ring, or caused by clearance gaps.
• Abrasion - One or both sides of the o-ring appear rough and slightly flattened. Commonly caused by a contact surface that is too rough, contains grit or is too smooth to allow lubrication.
• Over Compression - O-ring is flattened on both sides and may have a "ring" split along its length. Commonly caused by excessive pressure or heat.
• Heat Hardening - O-ring has a pitted or cracked surface, and often is flattened on both sides. Caused by temperature exceeding o-ring capacity.
• Weather/Ozone Cracking - O-ring is covered in small surface cracks. Caused by exposure to ozone, UV rays and air pollution. Excessive seal stretching causes similar cracking.
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Retainer Ring
Part #089210-00
Retainer
Part #094518-00
This retainer, also known as a retaining ring or split ring, is a genuine OEM replacement part used in cordless drills. It is responsible for securing the spindle within the clutch housing so that it remains stable during use and ensuring the components such as gears and bearings do not slide off the spindle. Over time the retainer may cr...Read moreack, corrode, or fall off, leading to wobbly parts and excessive vibration. Ensure the drill is off before beginning the replacement. Remove the chuck, and clutch housing. Use a set of pliers to remove the retainer from its groove. Clean the mounting surface and place the new ring in the groove on the spindle. Reassemble the drill components in reverse order.
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