3JR71 (Type 0) DeVilbiss Compressor - Overview

Diagrams for 3JR71

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Stud 1/4 - 20 X 1.12 – Part Number: SSF-589
No Longer Available
Stud 1/4 - 20 X 1.12
Part #SSF-589
Strip Rubber Foot – Part Number: SUDL-6-1
No Longer Available
Strip Rubber Foot
Part #SUDL-6-1
Nut – Part Number: 038738-00
$7.44
Special Order
Nut
Part #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 is sold individually, please see model diagram for part usage and location.
Nut .375-16 UNC-2B H – Part Number: SSF-8080-ZN
No Longer Available
Nut .375-16 UNC-2B H
Part #SSF-8080-ZN
Pressure Switch - 4 Port – Part Number: 5140112-32
No Longer Available
Pressure Switch - 4 Port
Part #5140112-32
This is a replacement pressure switch is a high quality item designed to work with Porter Cable and DeVilbiss air compressors. The pressure switch tells your compressor when to stop and when to start building up pressure. If it is leaking air the pressure switch should be replaced for a compressor to operate properly and safely. It is equipped with an unloader valve and it includes the switch cover. Please note this high quality four port pressure switch is sold individually.
Head 3/8 Outlet Front – Part Number: AC-0037
No Longer Available
Head 3/8 Outlet Front
Part #AC-0037
Shroud Rear 3PT Sing – Part Number: AC-0046
No Longer Available
Shroud Rear 3PT Sing
Part #AC-0046
Tube Outlet .375OD A – Part Number: AC-0125
No Longer Available
Tube Outlet .375OD A
Part #AC-0125
Bushing Strain Relief – Part Number: SSW-7385
No Longer Available
Bushing Strain Relief
Part #SSW-7385
DRAIN VALVE – Part Number: N286039
$12.20
Special Order
DRAIN VALVE
Part #N286039
When using an air compressor, moisture naturally builds up inside the tank as air is compressed. If this water isn’t drained regularly, it can lead to internal rust and damage over time. That’s where the drain valve comes in—it allows you to release the built-up water and keep your tank in good condition. Located at the bottom of the tank, this valve should be opened after each use to prevent corrosion and extend the life of your compressor. If you tend to leave air in the tank for long periods, water accumulation can be even more significant. This replacement drain valve features a thread size of 18 TPI and is sold individually. Regular maintenance with a working drain valve helps ensure safe and efficient compressor operation.
GUARD FAN – Part Number: AC-0047
No Longer Available
GUARD FAN
Part #AC-0047
ISOLATOR 3 POINT MOU – Part Number: ACG-19
$7.44
Special Order
ISOLATOR 3 POINT MOU
Part #ACG-19

Common Symptoms of the 3JR71

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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