IRF412 (Type 1) DeVilbiss Compressor - Overview

Diagrams for IRF412

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ISOLATOR 3 POINT MOU – Part Number: ACG-19
$7.44
Special Order
ISOLATOR 3 POINT MOU
Part #ACG-19
ADAPTER .25 NPT X .2 – Part Number: D26889
No Longer Available
ADAPTER .25 NPT X .2
Part #D26889
This is an OEM part sourced directly from the manufacturer. The adapter is designed for use in compressors from DeVilbiss, Black & Decker, Delta, and Porter Cable. This part is made of metal, and may be used to connect the regulator to the tank. You will require a wrench when replacing this part. This item is sold individually.
STANDPIPE BRASS MALE – Part Number: AC-0027-2
No Longer Available
STANDPIPE BRASS MALE
Part #AC-0027-2
KIT CONNECTING ROD L – Part Number: KK-4835
No Longer Available
KIT CONNECTING ROD L
Part #KK-4835
This rod kit is an original part from Craftsman for air compressors. This part attaches to the piston to the crankshaft that is in the pump. This kit includes the following: cylinder head, piston, cylinder head gasket and piston ring. You will need a wrench set and socket set to replace this part. When installing this part, it is recommended that that you fasten the top screw (50-60 inch- pounds). This kit is made of metal and rubber.
ASSY VALVE PLATE – Part Number: Z-AC-0032
$104.71
In Stock
ASSY VALVE PLATE
Part #Z-AC-0032
This replacement valve plate assembly is a high quality item designed for use on Craftsman air compressors. It is a genuine manufacturer sourced item that is used to control the airflow into the cylinder. Once the piston starts traveling up, the reeds on the valve plate open and air is sent into the air tank. Overtime the reeds will get worn eventually requiring valve plate replacement. One metal valve plate with reed valves and two rubber seals are included in this assembly. When replacing this valve plate assembly it is also a good time to replace the head gaskets which are sold separately. You will need a wrench set to complete this repair.
ASSY FASTENER – Part Number: ACG-408
$7.44
Special Order
ASSY FASTENER
Part #ACG-408
This assembly fastener is supplied directly from the original equipment manufacturer. The screws are constructed of metal, and are compatible with many compressor machines. This part is often used to secure the compressor shroud. It is recommended to refer to specific manual and diagrams for repair instructions. This part is sold individually. Purchasing spare screws is also encouraged, as they can wear out over time and regular use. A hex key and a screwdriver are helpful in the removal and replacement.
ORING P/L HEAD – Part Number: ACG-45
$7.44
In Stock
ORING P/L HEAD
Part #ACG-45
O-rings are made to contain thousands of PSI pressure by creating a seal between two or more parts. O-ring measurements are defined by the inside diameter and the thickness. rnrnThere are many causes for O-Ring failure. The most common among power tools are: • Extrusion and Nibbling - The O-ring has ragged, tattered edges. These are commonly caused by pressure spikes which shear off tiny "bites" from the o-ring, or caused by clearance gaps. • Abrasion - One or both sides of the o-ring appear rough and slightly flattened. Commonly caused by a contact surface that it too rough, contains grit or is too smooth to allow lubrication. • Over Compression - The O-ring is flattened on both sides and may have a "ring" split along its length. Commonly caused by excessive pressure or heat. • Heat Hardening - The O-ring has a pitted or cracked surface, and is often flattened on both sides. Caused by temperature exceeding o-ring capacity. • Weather/Ozone Cracking - The O-ring is covered in small surface cracks. Caused by exposure to ozone, UV rays and air pollution. Excessive seal stretching (greater that 5%) causes similar cracking.
FILTER INTAKE – Part Number: DAC-143
No Longer Available
FILTER INTAKE
Part #DAC-143
This is an authentic OEM part. The filter is used with air compressors from Porter Cable, DeVilbiss, and Black & Decker. The foam filter is used to prevent dirt and debris from entering and potentially damaging the pump. A hex driver, or screwdriver may be needed to install this item and it is sold individually.
KIT COMP RING REPLAC – Part Number: K-0650
$129.24
In Stock
KIT COMP RING REPLAC
Part #K-0650
Restore air pressure in a compatible oil free air compressor with this cylinder service kit, it includes a cylinder sleeve, compression ring, piston rod screw, and two sealing rings, replace worn parts when the compressor runs but makes little or no air, unplug the compressor and release all tank pressure before repair, check the model and type number before ordering.
KIT MUFFLER FILTER – Part Number: KK-4981
No Longer Available
KIT MUFFLER FILTER
Part #KK-4981
This is a manufacturer approved replacement muffler used on air compressors. Muffler softens the noise coming from the engine and provides an additional filtering. This Kit includes the Plastic Filter Holder, Foam Filter, Two (2) Plastic Pins used to attach it and a Metal Mesh Screen.
ASSY NUT SLEEVE 1/4 – Part Number: SSP-7811
$7.44
Special Order
ASSY NUT SLEEVE 1/4
Part #SSP-7811
It is an OEM component which is designed for use with air compressors. This special nut sleeve assembly secures the pressure relief tube to the pressure switch. It is a high-quality replacement for a damaged or a missing hardware that was installed on a new unit. One durable metal nut sleeve assembly is included. A wrench will be needed to perform this repair. Check the appropriate diagrams for your model to ensure the proper replacement procedure. Make sure to drain the air before starting this repair.
VALVE SAFETY 150 .25 – Part Number: TIA-4150
$13.43
Special Order
VALVE SAFETY 150 .25
Part #TIA-4150
This is an authentic replacement part manufactured for use with Porter Cable air compressors. The safety valve is used to prevent the tank from overpressurizing by letting air out of the tank when a specific pressure is met. Safety valves have specific pressure tolerances specific to the model of air compressor it is important to match the valve to your model of compressor. This safety valve is available as an individual replacement part.

Common Symptoms of the IRF412

How this model fails, and the parts that fix it.

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The air was bypassing the compressor gaskets and cylinder wall was worn out
18 of 24 people found this instruction helpful.
  • Charles from GARRISON, TX
  • Easy
  • 30 - 60 mins
  • Screw drivers, Socket set
1 remove cover
2 unhook air line to tank
3 remove head bolts
4 remove intake from head
5 remove flywheel bolt to free up pump piston
6 remove screw on top of piston to change out gasket
7 remove the cylinder sleeve install piston from the top
8 reassemble piston rod end and the flywheel
9 on th e head cover are two gaskets one on top and one on the bottom head
10 insert intake piece and bolt the head cover back in place
11 reinstall the air line and unit cover and secure with three cover screws
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Can't find this special screw used on many housings etc
4 of 6 people found this instruction helpful.
  • Tim from Tucson, AZ
  • Very Easy
  • 15 - 30 mins
Actually don't like using Torx bits because they are hard to center deep in the channel. I had misplaced these forcing me to order replacements.
My plan is to insert Torx bits before screwing in and using jb weld to secure the bit to the screw, giving me a hex head. Can't find this special screw with a hex head. This screw is called AGC-408 by craftsman.
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Broken ground on original plug
2 of 2 people found this instruction helpful.
  • Debra from PRESCOTT VLY, AZ
  • Really Easy
  • 15 - 30 mins
  • Screw drivers
Removed cover & old cord.
Replaced with new cord & replaced cover.
Works perfect.
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