Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Harris
Welder

Model # SYSTEMS 50 Official Harris welder

Here are the diagrams and repair parts for Official Harris SYSTEMS-50 welder, 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 116 parts  |
Freq Unit 2065570
#5

High frequency unit diagram

Freq unit

Part #2065570

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

Uniplug 2810160
Uniplug

Part #2810160

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

Resistor 2065582
#22

Rectifier and solenoid diagram

Resistor

Part #2065582

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

Choke 2050561
#47

Choke diagram

Choke

Part #2050561

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

Hose Pkg 2811054
#1B

Mk1 machine cutting torch diagram

Hose pkg

Part #2811054

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

O-ring 2810046
#5

Uniplug body diagram

O-ring

Part #2810046

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

Bracket 2065670
#30

Internal mounting plate-upper diagram

Bracket

Part #2065670

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

On/off Range Selector 2065619
#12

Rectifier and solenoid diagram

On/off range selector

Part #2065619

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

Transformer 2050520
#33

Base assembly diagram

Transformer

Part #2050520

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

Foil Teflon 2065649
#15

Internal mounting plate-upper diagram

Foil teflon

Part #2065649

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.

View all

Why does my lawn mower run rough?

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

Read more

Why does my lawn mower cut unevenly?

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

Read more

Why does my lawn mower vibrate a lot?

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

Read more

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…

Read more

Why does my lawn mower stall?

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

Read more

Why won't my lawn mower move?

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

Read more

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.

View all
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…

Read more
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. …

Read more
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…

Read more
Repair difficulty
Time required
 45 minutes or less

Articles and videos for gas walk-behind mowers

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

View all
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…

Read more
How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

Read more
Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Find out how to test and fix problems with the spark plug, stop wire, ignition coil and flywheel.…

Read more

Parts & More