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Model # 321596370-76 Official Sears metal detector

Here are the diagrams and repair parts for Official Sears 321596370-76 metal detector, as well as links to manuals and error code tables, if available.

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  • 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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Model diagram and schematic

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ALL PARTS
Showing 10 of 12 parts  |
Thumb Nut 402-0004
#5

Unit parts diagram

Thumb nut

Part #402-0004

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

8" Loop Cover 501-4005
#2

Unit parts diagram

8" loop cover

Part #501-4005

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

Plug 520-0061
#9

Unit parts diagram

Plug

Part #520-0061

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

Bolt 528-0047
#3

Unit parts diagram

Bolt

Part #528-0047

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

Knob 402-0019
#8

Unit parts diagram

Knob

Part #402-0019

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

Spring Stud 500-2114
#7

Unit parts diagram

Spring stud

Part #500-2114

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

Wh Connecter 520-0018
#10

Unit parts diagram

Wh connecter

Part #520-0018

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

Isolator 501-2008
#6

Unit parts diagram

Isolator

Part #501-2008

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

Washer 501-0010
#4

Unit parts diagram

Washer

Part #501-0010

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

Owner's Manual 321.596370

#NI

All parts diagram

Owner's manual

Part #321.596370

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...

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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...

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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...

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Repair difficulty
Time required
15 minutes or less

Articles and videos for gas pressure washers

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

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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....

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Choosing the correct spray tip for a pressure washer

Choosing the correct spray tip for a pressure washer

Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job....

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Solving pressure washer problems

Solving pressure washer problems

Learn how to solve simple pressure washer problems....

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