Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Milwaukee
Power Saw

Model # 6378 Official Milwaukee 8-1/4" worm drive saw

Here are the diagrams and repair parts for Official Milwaukee 6378 8-1/4" worm drive saw, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 89 parts  |
Carriage Bolt 06-10-3195
#26

8-1/4" worm drive saw diagram

Carriage bolt

Part #06-10-3195

The manufacturer no longer makes this part, and there's no substitute part

Brush Tube 22-20-0360
#12

8-1/4" worm drive saw diagram

Brush tube

Part #22-20-0360

The manufacturer no longer makes this part, and there's no substitute part

Handle 43-62-0710
#69

8-1/4" worm drive saw diagram

Handle

Part #43-62-0710

The manufacturer no longer makes this part, and there's no substitute part

Lockshaft 45-08-0300
#85

8-1/4" worm drive saw diagram

Lockshaft

Part #45-08-0300

The manufacturer no longer makes this part, and there's no substitute part

Armature 16-70-0172
#1

8-1/4" worm drive saw diagram

Armature

Part #16-70-0172

The manufacturer no longer makes this part, and there's no substitute part

M10 Lkwash 06-97-2200
#33

8-1/4" worm drive saw diagram

M10 lkwash

Part #06-97-2200

The manufacturer no longer makes this part, and there's no substitute part

Protector 44-76-0170
#78

8-1/4" worm drive saw diagram

Protector

Part #44-76-0170

The manufacturer no longer makes this part, and there's no substitute part

Washer 45-88-7475
#40

8-1/4" worm drive saw diagram

Washer

Part #45-88-7475

The manufacturer no longer makes this part, and there's no substitute part

Seal 45-06-0260
#62

8-1/4" worm drive saw diagram

Seal

Part #45-06-0260

The manufacturer no longer makes this part, and there's no substitute part

Fan 22-84-0700
#79

8-1/4" worm drive saw diagram

Fan

Part #22-84-0700

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for band saws

Choose a symptom to see related band saw repairs.

View all

Why does my band saw blade slip off the wheel?

Main causes: damaged rubber tire, worn wheel bearings, loose blade tension, dull saw blade…

Read more

Why does my band saw make ragged cuts?

Main causes: dull blade, using the wrong type of blade, feeding work piece to quickly, loose blade tension…

Read more

Why does my band saw make inaccurate bevel cuts?

Main causes: angle indicator needs adjustment, dull blade…

Read more

Why won't my band saw cut straight?

Main causes: dull blade, improper feeding, loose blade tension, not using a work piece guide…

Read more

Why won't my my band saw's blade move?

Main causes: broken saw blade, bad drive belt, damaged rubber tire…

Read more

Why is my band saw cutting slowly?

Main causes: dull blade, using the wrong type of blade, weak drive motor…

Read more

Why won't my band saw start?

Main causes: lack of electrical power, broken power cord, bad on/off switch, faulty drive motor…

Read more

Repair guides for band saws

These step-by-step repair guides will help you safely fix what’s broken on your band saw.

View all
How to replace a band saw on-off switch

How to replace a band saw on-off switch

If the switch won't turn the band saw on or off, it could be defective. Replace the switch, using these steps.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a band saw drive belt

How to replace a band saw drive belt

If the motor runs but the blade doesn't move, it could be that the drive belt is broken. Here's how to replace it.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a band saw blade

How to replace a band saw blade

If the saw blade is dull or damaged and isn't cutting cleanly, replace the blade following these steps.…

Read more
Repair difficulty
Time required
 15 minutes or less

Articles and videos for band saws

Use the advice and tips in these articles and videos to get the most out of your band saw.

View all
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Read more
How to tell if a fuse is blown

How to tell if a fuse is blown

Learn how to tell whether a fuse is blown…

Read more
How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

Read more

Parts & More