Sears
Office

Model # 27258430 Official Sears calculator

Here are the diagrams and repair parts for Official Sears 27258430 calculator, 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”.

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

Model diagram and schematic

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ALL PARTS
Showing 10 of 65 parts  |

R. Contact 13000020
#7

Assembly parts diagram

R. contact

Part #13000020

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

Case Assembly 10305843

#NI

All parts diagram

Case assembly

Part #10305843

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

Display Tube 87011370
#16

Assembly parts diagram

Display tube

Part #87011370

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

Key C1584337
#5W

Assembly parts diagram

Key

Part #C1584337

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

Tape 61058330
#30B

Assembly parts diagram

Tape

Part #61058330

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

Key C1584323
#5O

Assembly parts diagram

Key

Part #C1584323

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

Dust Cover 81000850
#30A

Assembly parts diagram

Dust cover

Part #81000850

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

Case, Upper 10358430

#NI

All parts diagram

Case, upper

Part #10358430

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

Battery Lid 61304429
#31

Assembly parts diagram

Battery lid

Part #61304429

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

Contact + 21001040
#20

Assembly parts diagram

Contact +

Part #21001040

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.

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

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

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

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

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

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

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