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DeWALT DW871 TYPE 1 Chop Saw Parts

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Fig #

Screw,Taptite

$2.99

Part Number:330045-16

In Stock, 4 available

$2.99

Screw

$1.99

Part Number:330019-33

Ships in 13 - 19 business days

$1.99

Torx Screw

$1.99

Part Number:330019-13

In Stock, 25+ available

Note: M4 X 19 T20

$1.99

Screw

$1.99

Part Number:330019-14

In Stock, 25+ available

Note: M4.55x25 Plastite

$1.99

Screw,Plastite

$1.99

Part Number:330019-02

In Stock, 5 available

Note: M3.63 X 13mm T15

$1.99

Screw

$1.99

Part Number:330045-17

In Stock, 2 available

$1.99

Screw,M5X45

$2.99

Part Number:330045-20

In Stock, 18 available

Note: M5x0.8x45 Mtl Thdfmg

$2.99

Special Screw

$1.99

Part Number:384844-00

In Stock, 3 available

Note: Included In Figure 22

$1.99

Screw

$1.99

Part Number:098123-25

Ships in 13 - 19 business days

$1.99

Screw

$2.99

Part Number:098123-16

In Stock, 2 available

$2.99

Field Obsolete - Not Available

$68.54

Part Number:624158-00

Discontinued

Armature (includes figure# 60, but not figure# 18) Obsolete - Not Available

$125.93

Part Number:383652-08S

Discontinued

Note: Includes Figures 60, 80

Field Case

$24.47

Part Number:383151-00

Ships in 13 - 19 business days

$24.47

End Cap

$5.56

Part Number:383155-00

Ships in 13 - 19 business days

$5.56

Fan Baffle

$5.56

Part Number:383167-00

Ships in 13 - 19 business days

$5.56

Brush Ring Asm

$21.02

Part Number:383685-01SV

In Stock, 5 available

Note: Inc 61, 62 - Includes Figures 61, 62

$21.02

Arm/Gear Case

$163.51

Part Number:386628-00SV

Ships in 13 - 19 business days

Note: Inc 18, 19, 87 - Includes Figures 18, 19, 87

$163.51

Ball Bearing

$4.31

Part Number:605040-27

In Stock, 25+ available

Note: Npp - Included In Figure 17

$4.31

Ball Bearing

$11.33

Part Number:330003-64

In Stock, 25+ available

Note: 7311 Offset Base - Included In Figure 17

$11.33

Gear Case Cov

$130.19

Part Number:383158-00SV

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Note: Inc 63-67 - Includes Figures 63 - 67

$130.19

Guard Assembly

$125.82

Part Number:386527-02

Ships in 13 - 19 business days

Note: Inc 8,23,68,86 - Includes Figures 8, 23, 68, 86

$125.82

Spark Guard Obsolete - Not Available

$27.02

Part Number:383175-00

Discontinued

Note: Included In Figure 22

Inner Cl.Washer

$9.98

Part Number:607173-00

In Stock, 9 available

$9.98

Otr CLMP Washer

$8.09

Part Number:382884-00

In Stock, 6 available

$8.09

Screw

$3.99

Part Number:383286-00

In Stock, 4 available

$3.99

Washer Obsolete - Not Available

$3.99

Part Number:383246-00

Discontinued

Blade Lock Pin Obsolete - Not Available

$4.23

Part Number:383966-00

Discontinued

Compr Spring

$3.99

Part Number:384716-00

In Stock, 2 available

$3.99

Switch Kit

$36.93

Part Number:621514-00S

In Stock, 7 available

Note: Includes Switch Handles

$36.93

Switch Kit

$36.93

Part Number:621514-00S

In Stock, 7 available

Note: Includes Switch Handles

$36.93

Switch Kit

$36.93

Part Number:621514-00S

In Stock, 7 available

Note: Includes Switch Handles

$36.93

Screw

$1.99

Part Number:387746-00

Ships in 13 - 19 business days

Note: M3.5x0.6x7.5 W/Lockw

$1.99

Compr Spring

$6.82

Part Number:387282-00

In Stock, 2 available

$6.82

Pivot Bracket

$65.25

Part Number:383168-00SV

Ships in 13 - 19 business days

Note: Includes Figure 87

$65.25

Pivot Shaft

$4.78

Part Number:383118-00

Ships in 13 - 19 business days

$4.78

Lock-Down Pin

$2.99

Part Number:383148-00

Ships in 13 - 19 business days

$2.99

Fence Assembly

$29.87

Part Number:384137-00

In Stock, 2 available

Note: Inc 70-74 - Includes Figures 70 -74

$29.87

Vise Assembly

$79.11

Part Number:384180-00S

Backorder: No ETA

Note: Inc 75-85, 89 - Includes Figures 75 - 85, 89

Base

$119.82

Part Number:382366-00

Ships in 13 - 19 business days

$119.82

Foot

$2.99

Part Number:383243-00

In Stock, 7 available

$2.99

Spark Deflector

$5.56

Part Number:384159-00

Ships in 13 - 19 business days

$5.56

Taptite Screw

$1.99

Part Number:330045-23

In Stock, 25+ available

Note: M6x16, T30

$1.99

Cordset

$29.87

Part Number:386624-07

Ships in 13 - 19 business days

$29.87

Cord Clamp

$1.99

Part Number:386540-00

Ships in 13 - 19 business days

$1.99

Lead Wire

$1.99

Part Number:384762-00

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$1.99

Lead Wire

$1.99

Part Number:386515-00

Ships in 13 - 19 business days

$1.99

Wrench Holder

$2.99

Part Number:386765-00

In Stock, 6 available

$2.99

Nameplate Obsolete - Not Available

$1.09

Part Number:384770-00

Discontinued

ID Label

$6.29

Part Number:397340-00

Ships in 13 - 19 business days

$6.29

Ball Bearing

$13.09

Part Number:330003-17

In Stock, 7 available

Note: 7311 Offset Base - Included In Figure 12

$13.09

Torsion Spring

$2.99

Part Number:384612-00

In Stock, 6 available

Note: Included In Figure 16

$2.99

Carbon Brush

$6.65

Part Number:384613-01

In Stock, 25+ available

Note: Included In Figure 16; Sold Individually - Order Two For A Set

$6.65

Ball Bearing

$21.89

Part Number:146555-01

In Stock, 25+ available

Note: Npp - Included In Figure 21

$21.89

Spindle

$47.76

Part Number:382882-00

Ships in 13 - 19 business days

$47.76

Square Key

$1.99

Part Number:382675-00

Ships in 13 - 19 business days

$1.99

Gear

$43.56

Part Number:386277-00

Ships in 13 - 19 business days

$43.56

Ball Bearing

$13.16

Part Number:605040-20

Backorder: No ETA

Note: Npp - Included In Figure 21

Rubber Stop

$2.99

Part Number:386526-00

Ships in 13 - 19 business days

Note: Included In Figure 22

$2.99

Plate Lock

$4.02

Part Number:391459-00

Ships in 13 - 19 business days

Note: Included In Figure 39

$4.02

Fence

$10.84

Part Number:382677-00

Ships in 13 - 19 business days

Note: Included In Figure 39

$10.84

Cam Lever Obsolete - Not Available

$11.58

Part Number:382540-00

Discontinued

Note: Included In Figure 39

Clamp Block

$10.33

Part Number:383254-00

In Stock, 2 available

Note: Included In Figure 39

$10.33

Screw

$2.99

Part Number:383450-00

In Stock, 8 available

Note: Included In Figure 39

$2.99

Vise Handle

$4.02

Part Number:383252-00

Ships in 13 - 19 business days

Note: Included In Figure 40

$4.02

Pin,Roll

$3.99

Part Number:330036-08

In Stock, 2 available

Note: Included In Figure 40

$3.99

Threaded Rod

$38.80

Part Number:395856-00

Ships in 13 - 19 business days

Note: Included In Figure 40

$38.80

Washers

$2.99

Part Number:384365-00

In Stock, 2 available

Note: Included In Figure 40

$2.99

Washer

$2.99

Part Number:607592-00

In Stock, 22 available

$2.99

Retaining Ring

$3.99

Part Number:144803-00

In Stock, 25+ available

Note: Included In Figure 12

$3.99

Retaining Ring

$2.99

Part Number:383169-00

In Stock, 17 available

$2.99

$3.99

Part Number:5140000-11

In Stock, 2 available

Note: Incl. 153 - Includes Figure 153, and Retaining Ring

$3.99

Vise Jaw

$12.15

Part Number:607278-00

Ships in 13 - 19 business days

$12.15

Dowel Pin

$1.99

Part Number:386525-01

Ships in 13 - 19 business days

$1.99

Vise Lock

$9.73

Part Number:383828-00

Ships in 13 - 19 business days

$9.73

Nut,Lock

$1.99

Part Number:148641-00

In Stock, 22 available

Note: No Longer Used in Production - Included In Figure 22

$1.99

Dowel Pin

$1.99

Part Number:386525-00

Ships in 13 - 19 business days

Note: Included In Figures 17 and 35

$1.99

Plug

$1.99

Part Number:033055-00

In Stock, 11 available

$1.99

Saddle

$2.99

Part Number:383451-00

Ships in 13 - 19 business days

Note: Included In Figure 40

$2.99

Tubing

$1.99

Part Number:386998-00

In Stock, 1 available

$1.99

Lock Washer

$2.99

Part Number:098197-09

In Stock, 1 available

$2.99

104

Washer

$2.99

Part Number:388354-00

In Stock, 10 available

$2.99

108

ID Label

$1.99

Part Number:397343-00

Ships in 13 - 19 business days

$1.99

109

Screw

$1.99

Part Number:330045-49

In Stock, 25+ available

$1.99

113

Spacer

$1.28

Part Number:391740-00

Ships in 13 - 19 business days

$1.28

118

O-Ring

$3.99

Part Number:391485-00

Ships in 13 - 19 business days

$3.99

132

Hex Wrench

$6.49

Part Number:384717-00

In Stock, 8 available

$6.49

153

Retaining Ring

$3.99

Part Number:398605-00

In Stock, 21 available

Note: Fits Pin W/Matte Finish Only - Included In Figure 82

$3.99

800

Grease,1 LB.

$129.96

Part Number:429954-01

Ships in 13 - 19 business days

Note: Nye Rheolube 380g1

$129.96

856

14 Ch.Sw.Wheel

$21.21

Part Number:397248-49

Ships in 13 - 19 business days

$21.21

856

Service Kit Obsolete - Not Available

$45.26

Part Number:648114-00

Discontinued

857

Adaptor Obsolete - Not Available

$3.55

Part Number:791084-00

Discontinued

Fig #

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Questions & Answers

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Repair Guides

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This article suggests guidelines for power tool care and maintenance. It also describes information tools available at eReplacementParts.com.

Tool Diagnosis: Is it the Brushes or the Switch?

This article describes the differences between power switch and carbon brush failure symptoms.

Power Switch Repair 101

This article is a 101 repair guide for power tool switch replacements, explaining the general steps involved in replacing a switch assembly.

Accessories

Accessories for the DeWALT DW871

Abrasive Wheels

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Grinding Wheel - 14\\\\\\\\\\\\\\\" Diameter, 7/64\\\\\\\\\\\\\\

$10.70

Grinding Wheel - 14" Diameter, 7/64" Thick, 1" Arbor

$12.03

Grinding Wheel - 14" Diameter, 3/32" Thick, 1" Arbor

$12.99

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Questions & Answers

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How do I change the brushes?

Grenville for model number DW871 asked on 2019-08-22

Hi Grenville, Thank you for your question. There is a video listed with the brush, part number 384613-01, that you may reference on how to install the part. Here is a link from our website where you may view the video, https://www.ereplacementparts.com/carbon-brush-p-67330.html#product_reviews. I hope this helps. Thank you and have a great day!

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Question: Armature Verse Fields?

rlvirant

The armature is 'arching' very badly.
That Com Bar is high the rest are OK.
Open or Shorted turn cause this?
Applied DC to fields - from a 15vdc supply - and from that it appears that both create same mag field. Ran it on 15vdc and armature still arch's.

Hi rlvirant,
Generally what causes this is heat issues.The temp get high enough that the laminates start to break down. If the field and armature winding looks the color of dark red or purple its a sign of a heat problem.You would then need to replace both the field and armature to do a clean repair. Hope this helps.Good luck.
Tinker

Thanks
The field has NO dis-coloration. The armature windings are alittle more difficult to detect. In this case the arm windings are poorly wound - loose. The epoxy didn't bind the individual windings inplace. Heat? maybe but question remains Open or shorted turn? I soldered the supected turm at the riser but didnt' help - if open - it should have lessened the arching NO?
I do work with industrial motors(frac to 5000hp) Reliance Electric so I have a good basic understanding of a DC motor but not enough to get thru this one. That's when I call a motor expert.
Still need some guidance.

Question: Armature?

fatdog

Ok so I was using my dewalt dw871 the other day and the all of the sudden it lost power and started smoking and sparking at the brushes. I took the brushes out and they looked good as well as the springs holding them in. So I shined up the armature where the brushes make contact, reassembled and still the same. Will a new armature fix the problem or is the field suspect as well? One or the other would be worth replacing but probably not both. What is the general concensus? Any input would be greatly appreciated.

Cut-off saws, as do other power tools get a good work out when they are used, and under heavy loads the motor will get hot and eventually breakdown the insulation on the windings of the armature and field causing them to short out. Look again at the armature to see if any of the commutator bars are discolored or raised up higher than the others. If so replace the armature. If not, it's sometimes a tough call to tell if it is the armature or field are bad. Most qualified repair shops will have a piece of test equipment in the shop called a "high-pot tester" in their shop to test the parts in question. You might ask one to test your parts.

Good luck,
WJA