Cumulus
Office

Model # 386DX/25 Official Cumulus computer

Here are the diagrams and repair parts for Official Cumulus 386DX-25 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”.

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 15 parts  |

Bracket 6290151

#NI

All parts diagram

Bracket

Part #6290151

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

80mb Ide Drv 6500078

#NI

All parts diagram

80mb ide drv

Part #6500078

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

Flpy Du 6500087

#NI

All parts diagram

Flpy du

Part #6500087

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

Ide I/o 9020350

#NI

All parts diagram

Ide i/o

Part #9020350

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

256x8x80ns 6250207-MGV

#NI

All parts diagram

256x8x80ns

Part #6250207-MGV

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

Ms Dos 5.0 2050062-1

#NI

All parts diagram

Ms dos 5.0

Part #2050062-1

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

Plus User Gd 9090247

#NI

All parts diagram

Plus user gd

Part #9090247

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

Ms Dos Mnl 9090224

#NI

All parts diagram

Ms dos mnl

Part #9090224

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

2mb Ram; 80mb Hd; 3.5" & 5.25" Fd Options N/P

#NI

All parts diagram

2mb ram; 80mb hd; 3.5" & 5.25" fd options

Part #N/P

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

101 Keyboard 6370020

#NI

All parts diagram

101 keyboard

Part #6370020

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

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

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 drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

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

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your office

Office and smart products articles | Sears PartsDirect

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.…

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.…

What does the Amazon Fire Stick Lite do?

What does the Amazon Fire Stick Lite do?

Learn what the Amazon Fire Stick Lite video streaming device does.…