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Repair Center  How to Replace the Manifold Kit on an Air Compressor

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Finish Nailer Repair - Replacing the Driver Guide (Ridgid Part # 79004001022)

Article Breakdown

Finish Nailer Repair - Replacing the Driver Guide (Ridgid Part # 79004001022)

Video

Tools & Materials

Fix Factor: Easy Duration: 30 minutes Frequency: As necessary Tools Required: Phillip's screwdriver, hex drivers, long-nosed pliers, wrenches, heavy-duty wire cutters, end-nip pliers, hose-puller pliers

How to Replace the Manifold Kit on an Air Compressor

Finish Nailer Repair - Replacing the Driver Guide (Ridgid Part # 79004001022)
How to replace the manifold on an air compressor THE FACTS | THE FIX | THE FINISH

If leaking seals and service bills are distressing your compressor, it's time to face the fix. While air compressors can be as diverse as the individuals that use them, most models share some general characteristics and components. Whether you are inflating your tires or creating empires, eReplacementParts.com provides the parts, procedures and facts you need to fearlessly fix what fails you.

The manifold kit consists of the manifold, the regulator, two pressure gauges, two quick-disconnects, and the nipple that connects the entire assembly to the air tank. The manifold kit will solve any problems related to a cracked manifold assembly, as well as any problems with the regulator. In fact, on many compressor models, replacing the manifold is the only way to service the regulator.

Less than impressed with your compressor? Replacing the manifold assembly may be the solution. This article will show you how to complete the repair like an expert technician.   THE FACTS | THE FIX | THE FINISH ! DEPRESSURIZE THE AIR TANK.

Always depressurize the tank before servicing an air compressor. To do this, open the drain valve and wait until all of the air (and pressure) has escaped.

Depressurize the tank   REMOVING THE MANIFOLD KIT  [top] 1. Remove the manifold cover.

Remove the retaining screw.

Remove the manifold screw

 

Lift the manifold cover away from the unit.

Remove the manifold cover     2. Remove the hose that connects the manifold to the pressure switch.

SPECIFIX: Crimp-style hose connectors are designed for one-time installation only. The clamps will be destroyed during the removal process, so be sure to order (or have on-hand) additional hose connectors for your specific repair project.

Clamp will be destroyed

 

Use heavy-duty wire cutters to simultaneously cut and twist the protruding tabs of the hose connector clamp until it breaks free.

Cut the clamp

 

Use hose-puller pliers to remove the hose from the manifold.

Remove the hose     3. Remove the pump assembly from the tank.

Remove the front retaining screw.

Remove front screw

 

Remove the rear retaining screw.

Remove rear screw

 

Slide the pump assembly to the side.

Slide assembly

 

Lift the pump assembly away from the tank.

Lift pump assembly

    4. Remove the manifold from the tank.

Rotate the manifold assembly (in a counterclockwise direction) to loosen the connection.

Rotate the manifold to loosen

 

Remove the manifold from the tank.

Remove the manifold     5. Remove the manifold nipple (from the tank or manifold).

Use pliers to remove the manifold nipple from the tank (or from the manifold).

Remove the manifold nipple      INSTALLING THE NEW MANIFOLD KIT  [top] 6. Transfer the safety valve.

Use a wrench to remove the safety valve from the old manifold.

Remove the safety valve

 

Apply thread sealant to the threads of the safety valve.

Apply thread sealant

 

Thread the safety valve into the new manifold assembly.

Install the safety valve

 

Use a wrench to secure the safety valve on the new manifold.

Secure the safety valve      7. Install the new manifold kit.

Use a wrench to secure the manifold nipple on the new manifold.

Tighten the manifold nipple

 

Thread the new manifold assembly onto the tank.

Install the manifold

 

Rotate the entire assembly until it is hand-tight.

tighten the manifold by hand

 

Use a wrench to secure the manifold kit to the tank.

Secure the manifold

 

  REASSEMBLING THE UNIT [top] 8. Reinstall the pump assembly onto the tank.

Place the pump assembly onto the air tank.

Align the pump

 

Slide the pump assembly sideways to engage the isolator feet.

Slide the pump into place

 

Secure the pump to the tank with the rear mounting screw.

Secure rear screw

 

Secure the pump to the tank with the front mounting screw.

Secure front screw

 

  9. Reinstall the hose.

Place a new hose connector clamp over the end of the hose.

Install the new clamp

 

Install the hose onto the manifold.

Connect the hose

 

Use end-nip pliers to crimp the sides of the connector and secure the hose.

Crimp the clamp

 

  10. Reinstall the manifold cover.

Install the manifold cover.

Install manifold cover

 

Secure the manifold cover with the screw.

Secure manifold cover   THE FACTS | THE FIX | THE FINISH

A well-maintained air compressor can mean the difference between performance under pressure, and under-pressured performance. But you don't have to empty your pockets to keep your air tank full. As you just learned, repairing your air compressor is simpler than you think, especially when you follow our step-by-step guides. Not only did you refresh compression at a fraction of the cost of replacement; you have inflated your ability to fearlessly face the next fix, regardless of the pressure involved. Find your next fix here.   [top]

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