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Model # 187731 Official Sears universal backboard mount

Here are the diagrams and repair parts for Official Sears 187731 universal backboard mount, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS

Showing 10 of 16 parts |

Angle 31050016

Unit parts diagram

Angle

Part #31050016

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

Brush 6381

#NI

All parts diagram

Brush

Part #6381

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

U Bolt 23000700

Unit parts diagram

U bolt

Part #23000700

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

Instructions 61031500

Unit parts diagram

Instructions

Part #61031500

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

Angle 31054716

Unit parts diagram

Angle

Part #31054716

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

Bolt 21007100

Unit parts diagram

Bolt

Part #21007100

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

Support 31053216

Unit parts diagram

Support

Part #31053216

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

Nut Hex 25000300

Unit parts diagram

Nut hex

Part #25000300

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

Washer 26000100

Unit parts diagram

Washer

Part #26000100

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

Washer 26001400

Unit parts diagram

Washer

Part #26001400

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty

Time required

15 minutes or less

How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty

Time required

15 minutes or less

How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty

Time required

45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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.…

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