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Senco
Power Nailer

Model # AIRFREE41 Official Senco nailer

Here are the diagrams and repair parts for Official Senco AIRFREE41 nailer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 70 parts  |
No-mar Pad HF0079
#35

Housing assy diagram

No-mar pad

Part #HF0079

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

Latch FA0208
#30

Housing assy diagram

Latch

Part #FA0208

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

Screw KB3489
#5

Housing assy diagram

Screw

Part #KB3489

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

Spring KB4288
#24

Housing assy diagram

Spring

Part #KB4288

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

Pin KB3473
#32

Housing assy diagram

Pin

Part #KB3473

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

Bracket, L WC0009
#60

Motor assy diagram

Bracket, l

Part #WC0009

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

Spring KB4296
#18

Housing assy diagram

Spring

Part #KB4296

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

Chassis AC0190
#47

Motor assy diagram

Chassis

Part #AC0190

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

Insert GF0070
#10

Housing assy diagram

Insert

Part #GF0070

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

Bearing WA0019
Bearing

Part #WA0019

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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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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Pressure washer common questions

Pressure washer common questions

See what you can learn from the questions that people most often ask our experts about their pressure washers.…

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