Kenmore
Floor Scrubber

Model # 646106990 Official Kenmore buffer/polisher system

Here are the diagrams and repair parts for Official Kenmore 646106990 buffer/polisher system, 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 24 parts  |

Pad 4018
#12

Assembly diagram diagram

Pad

Part #4018

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

Motor Brg BRG-001
#7H

Assembly diagram diagram

Motor brg

Part #BRG-001

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

Yoke Assembly MYA-400
#7E

Assembly diagram diagram

Yoke assembly

Part #MYA-400

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

Brush Assembly BRU-001
#7C

Assembly diagram diagram

Brush assembly

Part #BRU-001

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

Cntr Weight CWT-400
#8

Assembly diagram diagram

Cntr weight

Part #CWT-400

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

Switch Btn SWB-400
#4

Assembly diagram diagram

Switch btn

Part #SWB-400

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

Switch SWH-400
#5

Assembly diagram diagram

Switch

Part #SWH-400

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

Armature ARM-400
#7D

Assembly diagram diagram

Armature

Part #ARM-400

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

Bell Assy MEB-400
#7B

Assembly diagram diagram

Bell assy

Part #MEB-400

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

Bolt TBA-400
#7A

Assembly diagram diagram

Bolt

Part #TBA-400

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

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Repair guides for gas pressure washers

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

How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty
Time required
 15 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to replace a pressure washer pump

How to replace a pressure washer pump

The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the ch…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas pressure washers

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

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

7 steps for winterizing and storing a pressure washer

7 steps for winterizing and storing a pressure washer

Follow this advice to winterize your pressure washer.…