66-651 (Type 0) DeVilbiss Compressor - Overview

Sections of the 66-651

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Keep searches simple, eg. "belt" or "pump".
Tube Outlet 3/8 OD A – Part Number: AC-0605-1
Tube Outlet 3/8 OD A
PartSelect #: PS10115672
Manufacturer #: AC-0605-1
  No Longer Available
Heyco Bushings – Part Number: 438010040063
Heyco Bushings
PartSelect #: PS10325219
Manufacturer #: 438010040063
  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
Head 3/8 Outlet Front – Part Number: AC-0037
Head 3/8 Outlet Front
PartSelect #: PS10042295
Manufacturer #: AC-0037
  No Longer Available
Bumper Recessed Rub – Part Number: SST-107
Bumper Recessed Rub
PartSelect #: PS10050827
Manufacturer #: SST-107
  No Longer Available
WHEEL 9 BLACK SEMI-P – Part Number: D23138
WHEEL 9 BLACK SEMI-P
PartSelect #: PS12513396
Manufacturer #: D23138
  No Longer Available
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
GAUGE 1.5OD 200PSI . – Part Number: Z-D23004
GAUGE 1.5OD 200PSI .
PartSelect #: PS12542448
Manufacturer #: Z-D23004
  No Longer Available
Shroud Mini – Part Number: AC-0376
Shroud Mini
PartSelect #: PS10042364
Manufacturer #: AC-0376
This is an authentic Porter Cable replacement part that has been sourced from the original manufacturer to be used with air compressors. The durable plastic shroud is used to house and protect the pum...
  No Longer Available
Tube Pressure Relief – Part Number: AC-0630
Tube Pressure Relief
PartSelect #: PS10115675
Manufacturer #: AC-0630
This is a genuine OEM sourced part which is specially made for use with Porter Cable, DeVilbiss and Black and Decker air compressors. It is an identical replacement for a faulty or a missing pressure ...
  No Longer Available
Connector Conduit 3/ – Part Number: SSW-7482
Connector Conduit 3/
PartSelect #: PS10116659
Manufacturer #: SSW-7482
  No Longer Available
Switch Pres 4Port 11 – Part Number: Z-AC-0746
Switch Pres 4Port 11
PartSelect #: PS10116669
Manufacturer #: Z-AC-0746
  No Longer Available

Questions And Answers for 66-651

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Common Symptoms of the 66-651

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No compressed air
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Air leak
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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
18 of 24 people found this instruction helpful.
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Can't find this special screw used on many housings etc
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.
Parts Used:
ASSY FASTENER
  • Tim from Tucson, AZ
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    15 - 30 mins
4 of 6 people found this instruction helpful.
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