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Bondwell
Office

Model # B300 Official Bondwell computer

Here are the diagrams and repair parts for Official Bondwell B300 computer, 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 86 parts  |
Btry Hld Frm P-750081004

#NI

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Btry hld frm

Part #P-750081004

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

Cable Fdd 1 443402001

#NI

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Cable fdd 1

Part #443402001

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

Dram P-375142560

#NI

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Dram

Part #P-375142560

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

Panel Disk 710081007

#NI

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Panel disk

Part #710081007

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

Cabint Btm 710009001

#NI

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Cabint btm

Part #710009001

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

Wire Assembly P-440102900

#NI

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Wire assembly

Part #P-440102900

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

Transformer 462200000

#NI

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Transformer

Part #462200000

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

Lcd Display 430400500

#NI

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Lcd display

Part #430400500

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

Keyboard P-384087420

#NI

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Keyboard

Part #P-384087420

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

Insulation Sheet P-710061020

#NI

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Insulation sheet

Part #P-710061020

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.

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Why won't my pressure washer mix in the detergent?

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

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Why is smoke coming from the pressure washer's exhaust?

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

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Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter...

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Why does my pressure washer's engine lose power?

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

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Why is the spray from my pressure washer weak?

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

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Why doesn't my pressure washer recoil starter work?

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

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Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator...

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Why won't my pressure washer engine start?

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

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Why does water spray out of my pressure washer's pressure relief valve?

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

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Repair guides for gas pressure washers

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

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How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv...

Read more
Repair difficulty
Time required
120 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...

Read more
Repair difficulty
Time required
45 minutes or less
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...

Read more
Repair difficulty
Time required
15 minutes or less

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Top questions about Sears and Sears PartsDirect

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What does the Amazon Fire Stick Lite do?

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