Sears
Office

Model # 27258370 Official Sears calculator

Here are the diagrams and repair parts for Official Sears 27258370 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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Showing 10 of 75 parts  |

Transformer 21001116

#30

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Transformer

Part #21001116

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

Key Top 5 C1583705

#5D

All parts diagram

Key top 5

Part #C1583705

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

Key Top 6 C1583706

#5E

All parts diagram

Key top 6

Part #C1583706

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

Nut 21000303

#18

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Nut

Part #21000303

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

Case, Upper 11006709

#1A

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Case, upper

Part #11006709

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

Case Sub 10005837

#1

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Case sub

Part #10005837

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

Key Top 0 C1583711

#5J

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Key top 0

Part #C1583711

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

Key Top #/d C1583739

#5V

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Key top #/d

Part #C1583739

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

Flat Calbe 41050250

#22

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Flat calbe

Part #41050250

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

Key Top 00 C1583712

#5K

All parts diagram

Key top 00

Part #C1583712

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

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

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

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

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

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

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 recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope....

Repair difficulty
Time required
15 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels....

Repair difficulty
Time required
60 minutes or less
How to replace a lawn mower carburetor

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged....

Repair difficulty
Time required
15 minutes or less

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

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Top questions about Sears and Sears PartsDirect

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

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What does the Amazon Fire Stick Lite do?

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