IRF4020 (Type 2) DeVilbiss Compressor - Overview

Sections of the IRF4020

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Keep searches simple, eg. "belt" or "pump".
PLATE – Part Number: AC-0155
PLATE
PartSelect #: PS12467387
Manufacturer #: AC-0155
  No Longer Available
Sleeve – Part Number: 5130039-00
Sleeve
PartSelect #: PS9963650
Manufacturer #: 5130039-00
  No Longer Available
Switch Pres 2Port 10 – Part Number: 5140112-18
Switch Pres 2Port 10
PartSelect #: PS9964001
Manufacturer #: 5140112-18
$156.78
  Special Order
Stud 1/4 - 20 X 1.12 – Part Number: SSF-589
Stud 1/4 - 20 X 1.12
PartSelect #: PS10050669
Manufacturer #: SSF-589
  No Longer Available
ASSY CORD MOTOR SJT – Part Number: CAC-4215-1
ASSY CORD MOTOR SJT
PartSelect #: PS12521258
Manufacturer #: CAC-4215-1
$11.80
  Special Order
Head 3/8 Outlet Front – Part Number: AC-0037
Head 3/8 Outlet Front
PartSelect #: PS10042295
Manufacturer #: AC-0037
  No Longer Available
Nut .375-16 UNC-2B H – Part Number: SSF-8080-ZN
Nut .375-16 UNC-2B H
PartSelect #: PS10050689
Manufacturer #: SSF-8080-ZN
  No Longer Available
Strip Rubber Foot – Part Number: SUDL-6-1
Strip Rubber Foot
PartSelect #: PS10051741
Manufacturer #: SUDL-6-1
  No Longer Available
NIPPLE – Part Number: N053094
NIPPLE
PartSelect #: PS12529076
Manufacturer #: N053094
$5.95
  Special Order
Sleeve Silicone – Part Number: CAC-1120
Sleeve Silicone
PartSelect #: PS10043538
Manufacturer #: CAC-1120
  No Longer Available
Nut – Part Number: 038738-00
Nut
PartSelect #: PS9868378
Manufacturer #: 038738-00
This is a genuine replacement part manufactured for use with outdoor power equipment and air compressors. This nut is used to fasten various part assemblies on a range of different products. This nut ...
$5.95
  Special Order
VALVE SAFETY 150 .25 – Part Number: TIA-4150
VALVE SAFETY 150 .25
PartSelect #: PS12531517
Manufacturer #: 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 s...
$10.82
  Special Order
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Questions And Answers for IRF4020

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Common Symptoms of the IRF4020

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No compressed air
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Air leak
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Fixing
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
The air was bypassing the compressor gaskets and cylinder wall was worn out
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 the 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
Parts Used:
KIT COMP RING REPLAC
  • Charles from GARRISON, TX
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers, Socket set
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