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Gaggia Classic Steam Valve replacement

简介

Here you can learn how to replace a leaking steam valve on a Gaggia Classic.

你所需要的

  1. Gaggia Classic Steam Valve replacement, The Tools You Will Need: 步骤 1 中的图像 1，2 Gaggia Classic Steam Valve replacement, The Tools You Will Need: 步骤 1 中的图像 2，2

    • Phillips screwdriver

    • Flathead screwdriver

    • 5mm T Allen wrench

    • Plier wrench

    • 18mm open wrench

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  2. Gaggia Classic Steam Valve replacement, Remove The Top Of The Machine: 步骤 2 中的图像 1，3 Gaggia Classic Steam Valve replacement, Remove The Top Of The Machine: 步骤 2 中的图像 2，3 Gaggia Classic Steam Valve replacement, Remove The Top Of The Machine: 步骤 2 中的图像 3，3

    • Use the philips screwdriver to open the two screws on the top of the machine.

    • Lift the top cover and put it on the side.

    • Look inside and you will see the brass valve that attached to the steam knob(black arrow), the 2 allen screws (green arrows) and the copper (or stainless steel) steam wand pipe(red arrow).

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  3. Gaggia Classic Steam Valve replacement, Remove The Steam Knob: 步骤 3 中的图像 1，2 Gaggia Classic Steam Valve replacement, Remove The Steam Knob: 步骤 3 中的图像 2，2

    • Pull the steam knob out. If its too hard, try to gently pry it out with a flathead screwdriver from the inner side of the machine.

    • Please be careful not to damage the plastic steam knob. Sometimes it can be fragile.

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  4. Gaggia Classic Steam Valve replacement, Remove Attachments From Steam Valve: 步骤 4 中的图像 1，3 Gaggia Classic Steam Valve replacement, Remove Attachments From Steam Valve: 步骤 4 中的图像 2，3 Gaggia Classic Steam Valve replacement, Remove Attachments From Steam Valve: 步骤 4 中的图像 3，3

    • Use The 18mm wrench to open the hex nut.

    • Pull the copper pipe to the side so it wont be in the way.

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  6. Gaggia Classic Steam Valve replacement, Removing The Valve: 步骤 5 中的图像 1，3 Gaggia Classic Steam Valve replacement, Removing The Valve: 步骤 5 中的图像 2，3 Gaggia Classic Steam Valve replacement, Removing The Valve: 步骤 5 中的图像 3，3

    • Use your allen wrench to open both screws for the steam valve.

    • Please pay attention: if the screws are too tight / rusted, if you try too hard they might break.

    • Move the steam valve from side to side and see if it comes off easily. If it seems to be stuck, use the pliers to move it sideways and up until it comes off.

    • Be carful not to damage the aluminum boiler.

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  7. Gaggia Classic Steam Valve replacement, Removing The Valve: 步骤 6 中的图像 1，3 Gaggia Classic Steam Valve replacement, Removing The Valve: 步骤 6 中的图像 2，3 Gaggia Classic Steam Valve replacement, Removing The Valve: 步骤 6 中的图像 3，3

    • Remove the valve, gasket and the attached plastic piece and put it aside.

    • This is how an old steam valve looks.

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  8. Gaggia Classic Steam Valve replacement, Cleaning The Surface: 步骤 7 中的图像 1，3 Gaggia Classic Steam Valve replacement, Cleaning The Surface: 步骤 7 中的图像 2，3 Gaggia Classic Steam Valve replacement, Cleaning The Surface: 步骤 7 中的图像 3，3

    • Now its time to clean the old gasket marks from the boiler

    • Use a wire brush to do the job

    • Please make sure the top of the boiler is clear from any objects (screws) that might fall into the open hole.

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  9. Gaggia Classic Steam Valve replacement, Prepearing The New Valve: 步骤 8 中的图像 1，3 Gaggia Classic Steam Valve replacement, Prepearing The New Valve: 步骤 8 中的图像 2，3 Gaggia Classic Steam Valve replacement, Prepearing The New Valve: 步骤 8 中的图像 3，3

    • In the Kit you will find the new stainless steel valve with a black gasket and a small bag with food grade lube.

    • Lets get the valve ready to be installed! First, use the lube from the bag on the gasket and make sure its clean.

    • Second, place the plastic guard on the end of the valve with the flat side facing out.

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  10. Gaggia Classic Steam Valve replacement, Installing The Valve: 步骤 9 中的图像 1，3 Gaggia Classic Steam Valve replacement, Installing The Valve: 步骤 9 中的图像 2，3 Gaggia Classic Steam Valve replacement, Installing The Valve: 步骤 9 中的图像 3，3

    • Place the new valve back on the boiler with the gasket facing down.

    • Insert both allen screws and lock them tight.

    • Install the copper steam line back on the valve. Use the 18mm open wrench to complete the job.

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  11. Gaggia Classic Steam Valve replacement, Finishing Up: 步骤 10 中的图像 1，3 Gaggia Classic Steam Valve replacement, Finishing Up: 步骤 10 中的图像 2，3 Gaggia Classic Steam Valve replacement, Finishing Up: 步骤 10 中的图像 3，3

    • Install the steam knob back on the valve.

    • Put the top cover bak onto the machine and fasten both of the philips screws.

    • Congratulations! You are done!

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终点

9等其他人完成本指南。

作者

与3其他贡献者

iRobot

于09/24/09注册

1 声望

创作了636篇指南

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5条评论

Done successfully. Note that it is not an 18mm nut for the steam connection. The correct size is 17mm. If you look closely in the picture, the 18mm wrench is fairly loose on the nut.

tresaudio - 回复

It is a 17mm nut, correct

User -

I’m having trouble getting the valve to come out. It’s really stuck ! We’ve used a lot of pressure and it’s not even wiggly .

Leah Tollison - 回复

The valve screws are no problem and do not break, but the valve itself is usually stuck in its "hole in the boiler".
Remove knob as described and use the 17mm open wrench to put on top the valve end after plastic guard towards the boiler.
Then use another heavy wrench (e.g. 19mm) or hammer to hammer the the valve from left to right and back from right to left.
This takes time and makes a loud noise, do not hammer on the valve direct, use the 17mm wrench to transport the force only from side to side.
Once the valve is moving put a screwdriver (or something similar) unter the valve between the boiler to ramp up the valve slowly (1mm per left-right-left turn is enough). Take your time, in about 10min you see the valve getting loose more and more and at the end you can lift it up.

User - 回复

my challenge is that the stam knob is not reattaching easily. i have the metal on the round part when i push. It stays on but a big gap to the chassis, and falls off easily. Any ideas?

ajay gupta - 回复

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