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Repair Parts Home    Power Tool Parts    DeWALT Parts    DeWALT Compressor Parts    DeWALT D55146 Type 1 Compressor Parts
DeWALT D55146 Type 1 Compressor dewalt logo

 DeWALT D55146 Type 1 Compressor Parts

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 Fig # Part # Img Part Name Availability Price Qty
13SSF-621
Screw .250-14X.625 F
In stock
1 available
 $2.29
43SSP-7811
Assembly Nut Sleeve 1/4
In stock
16 available
 $2.16
46N003522
Pneumatic Wheel
In stock
25+ available
 $24.16
48D24322
Filter Replacement
In stock
17 available
 $12.38
62A10157SV
Carbon Brush
Backorder:
No ETA.
 $35.46
74N011005
Belt
In stock
25+ available
 $26.15
75A11031
Fan
In stock
25+ available
 $2.43
76A08547
Screw
In stock
1 available
 $6.66
78N001137
Motor Pulley
In stock
2 available
 $26.54
79A10811
Flywheel
In stock
2 available
 $42.09
80N038785
Conn Rod/Piston Assy
In stock
25+ available
 $44.25
81A08454
Screw
Ships in 9 - 13 business days
 $2.12
82A13016SV
Idler Pulley Assembly
In stock
2 available
 $17.61
83A10638
Screw
Ships in 9 - 13 business days
 $0.95
84N021725
Cylinder Sleeve
In stock
5 available
 $11.92
Fig #Part #ImgPart NameAvailabilityPrice
85A09819SV
Valve Plate Assy
In stock
7 available
 $27.81
86A12479
Head
In stock
2 available
 $33.65
87AC-0798
Screw .250-20X1.25 H
In stock
25+ available
 $2.16
89ACG-45
O-Ring
Backorder:
No ETA.
 $2.16
90A03856
O-Ring
In stock
16 available
 $0.95

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Discussion
Discussion for the DeWALT D55146 Type 1 Compressor

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bbrucelf
Question: Pressure Switch

bbrucelf

compressor won't turn off. As pressure builds Air starts leaking out of the face of the outlet regulator valve. Would the problem be the pressure switch? Is there any adjustments or cleaning to be made on the regulator switch before replacing it
Tinkerdave
Reply: Pressure Switch

Tinkerdave

Hi bbrucelf,
It sounds like you have a problem with the pressure regulator on the compressor.Air leaking out of the face or around the adjustment knob of the regulator is an indication that the regulator valve pin is frozen or sticking. Some of the regulators will have a cap screw on the back that can be removed and the valve pin remove.The cap screw has a sleeve attached to the back of it that the valve pin and a small o-ring slide in and out of .Clean this and put a small dab of grease on the o-ring and make sure it slides in and out of the sleeve freely.This should fix the problem.If not replace the regulator.Hope this helps.Good luck.
Tinker
1184980
Question: Fan On Dewalt D55146 Type 2

1184980

The blades on my fan have broken off, I am ordering a new fan, how does this attach? and what would cause the blades to shatter?
Tinkerdave
Reply: Fan On Dewalt D55146 Type 2

Tinkerdave

Hi,
If I remember right the fan is pressed on to a spline link removed regards to the fan breaking,I didn't see any service bulletins about a problem with the fans but the small plastic fans on motors are under very high centrifugal stress loads and it could be that one broke off and hit the other causing catastrophic failure of the cooling fan.Hope this helps.Good luck.
I've had mine for a few years and it just started randomly cutting on and off. At first I thought it might be that the safety regulator was messed up. Not the problem... It was the black (hot) wire going up into the motor. There was some little temperature breaker wired in to the black wire, zip tied to the coil in some clear plastic shrink wrap. I guess it went bad so I cut it out and just bypassed it (wiring the black straight through without the sensor). It's been running fine ever since. The only problem I ran into was that there was a little more slack in the wire and the spinning part of the motor ended up pulling it in and severing it so I re-did it and tucked it away from the moving parts and boom,, just like new! I'm sharing this bc I was 10min from buying a new one before I discovered the fix. Don't want anyone else doing the same.
WJA
Reply: Motor Cutting In And Out Randoml...

WJA

Hello Parker,

Thank you for providing this valuable information. I hope that it will be well read by those that are having the problem with their compressor as you did.

-WJA
RichRuss
Reply: Motor Cutting In And Out Randoml...

RichRuss

Thanks a Million for this information Parker, I'm including a link with a picture of it to help anyone else, the motor wire is real short and had a hard time crimping a terminal to it, No where else is there a mention of this problem that would drive you crazy. Thanks again Parker.

link removed
RichRuss
Reply: Motor Cutting In And Out Randoml...

RichRuss

replace xx with tt

link removed
RichRuss
Reply: Motor Cutting In And Out Randoml...

RichRuss



link removed
what part is the reed valve assembly and cylinder walls so I can have an idea of what Im looking for
Tinkerdave
Reply: Compressor Do Not Built Pressure

Tinkerdave

Hi henryg11,
Ereplacementparts has a good article on the subject. http://www.ereplacementparts.com/article/10942/Quick_Fix_How_to_Replace_the_Valve_Plate_on_an_Air_Compressor.html
Hope that helps.Good luck.
Tinker
henryg11
Question: Compressor D155146

henryg11

My compressor stays on and do not built pressure. what parts do I need to replace
Tinkerdave
Reply: Compressor D155146

Tinkerdave

Hi henryg11,
You first need to disassemble the pump and look for damage on the reed valves or cylinder walls.If you have any damage then you should replace both cylinder /rod kit and reed valve assembly.Hope that helps.Good luck.
Tinker
toolmanou812
Question: Dewalt D55146 Type 2 Compressor

toolmanou812

Have owned this compressor for several years without a problem until the last time I used it. The compressor will not turn off at the desired pressure. Once guy tells me it is the regulator and another says it is the pressure swith. I think it is the pressure switch. Any help woulb be greatly appreciated.

Tinkerdave
Reply: Dewalt D55146 Type 2 Compressor

Tinkerdave

Hi toolmanou812,
Does it shut off at higher then normal pressure or not shut off at all blowing the safety valve?
Tinker
g8rgrad98
Question: Dewalt D55146 Type 1 Check Valve

g8rgrad98

Hello, I purchased the replacement Check Valve A19170 from you all, which threads at 1" into the tank. The tank on my compressor is 3/4". Do you sell a check valve that is 3/4"?
g8rgrad98
Reply: Dewalt D55146 Type 1 Check Valve

g8rgrad98

Or is there a part I'm missing?
WJA
Reply: Dewalt D55146 Type 1 Check Valve

WJA

Hello g8rgrad98,

I am thinking you might need part number SSP-491.

Hope this helps,
-WJA
tommypa8
Question: Conn Rod Piston Assy

tommypa8

why cant I just get the o ring that is all I need the rest is fine
WJA
Reply: Conn Rod Piston Assy

WJA

Hello tommypa8,

If you are looking for the o-rings the part numbers are as follows, A03856 and ACG-45. If it is the piston ring you are looking for you will have to order part number N038785.

Hope this helps,
-WJA
muddboy
Question: D55146 Compressor

muddboy

My compressor will not build air pressure. Will this kit fix the problem?
storekeeperii
Question: Part #ssp-7812 1/2" Sleeve ...

storekeeperii

Does this come with the sleeve?
WJA
Reply: Part #ssp-7812 1/2" Sleeve ...

WJA

Hello storekeeperii,

In answer to your question regarding the SSP-7812 nut and sleeve assembly. Yes the sleeve is included with this part.

-WJA
juan canon
Question: Oil

juan canon

does this compressor use oil? and have a breaker and what makes this compressor get hot and pop the breaker even if is connected to power pole?
djohansen77
Reply: Oil

djohansen77

Have you drained the tank? Over time the tank builds condensation and can actually fill the tank with water. Water can not be compressed and can cause the motor to over amp. There is a label on the tank that says that it needs to be drained every 4 hours of use.
glenn
Question: Regulator Knob

glenn

The regulator knob leaks air under the cap, and clicks when turning higher or lower air out put. Also, it's hard to turn in either direction. I don't need the whole manifold, just the knob, the manifold parts, not available. D55146 type 1
jamesjackson
Reply: Regulator Knob

jamesjackson

how do I fix this problem?
Mark
Question: No Power

Mark

When I plug in my D55146 and turn the switch to auto, the unit shows no signs of power. Does anyone have any idea what the problem could be?

Thanks
Terry
Reply: No Power

Terry

Its probably worn out brushes. Pretty easy repair. I bought a D55146 that was a Lowes return. I did the same thing. I replaced the brushes and it runs good but I can't get the brushes to seat as good as I would like (they spark quite a bit ). Apparently the brushes are a constant source of trouble. Dewalt advertises "easy brush replacement" which should tell you something. The brushes (A10157) are ofter out of stock.... but the good thing is that they don't cost much. They come in a box of 2 for about $10.80. Be sure to order 2 new springs!
Chuck
Question: Check Valve

Chuck

Does the new Dewalt compressor tank check valve come with the outlet nut or is that another part?
Is the connecting rod bolt to the belt pulley left or right hand thread?
steve
Reply: Dewalt Compressor Belt Change

steve

it's regular. turn it to the left to loosen
jason
Question: Regulator

jason

I need a regulator for my Dewalt air compressor model #d55146. Do I need to purchase an entire manifold assembly ?
topbikeman
Reply: Regulator

topbikeman

sorry but yes. dewalt will not help u at all with just some small easy parts to fix. look up tri city tool parts 40w165 fabyan pkwy elburn, il 60119 . theses guys are great. tell them mark or topbikeman sent you.
topbikeman
Reply: Regulator

topbikeman

sorry but yes. dewalt will not help u at all with just some small easy parts to fix. look up tri city tool parts 40w165 fabyan pkwy elburn, il 60119 . theses guys are great. tell them mark or topbikeman sent you.
don
Question: Low Presure

don

My pressure stays at 60lbs. What could be the cause?
Tony Brumett
Question: Pressure Regulator

Tony Brumett

I am in need of a pressure regulator! The one I have keeps bleeding off air pressure. I don't see one on the parts list?
Ramon
Question: Pressure Switch

Ramon

My pressure stays at 30 lbs and will not increase. Could it be my pressure that is faulty?
servando
Reply: Pressure Switch

servando

It may be stuck. Take it apart and oil its inside parts.
drew
Question: Pressure Regulator

drew

I am in need of a replacement pressure regulator. Can you help me find one?
Steve
Reply: Pressure Regulator

Steve

No, I can't find one either. It looks like we need to buy the complete manifold, now that SUCKS.
servando
Reply: Pressure Regulator

servando

Fix the old one. Pull it a part and clean it and oil it. It may work as new.
Tommyt
Reply: Pressure Regulator

Tommyt

They sell a regulator repair kit if you want that. I'm going to take mine apart and oil it up to see if that helps. I think the regulators pretty much suck on these.
scott
Reply: Pressure Regulator

scott

I had the same problem so I used one out of an old porter cable compressor I had sitting around. I came to find out it was the exact same regulator and fixed my problem. You also may be able to just take yours apart and clean it well. It stopped mine from leaking but the bolt was stripped so I had to use the porter cable one.
WJA
Reply: Pressure Regulator

WJA

If your regulator is damaged or broken you will have to purchase the complete manifold or try finding a used one. But if it is leaking or dirty and needs service, the least expensive would be to purchase a regulator service kit, part number N008792. Cheap and easy fix.

Hope that helps,
WJA
mrmanning41
Question: DeWalt Compressor Filling And Pu...

mrmanning41

I have a DeWalt D55141 air compressor that fills the tank to 175psi and then the 175 psi relief valve opens and then purges the tank pressure. The tank never reaches over 175 psi and the motor never shuts off when it reaches 175 psi. It just pumps to 175psi and then purges the tank and then starts the cycle all over again. Other than that, the compressor does well. Does anyone know what is going on here or what part I may have to replace? I tried replacing the relief valve thinking it may have been weak but same problem still exists. Please help.
cmoorejack
Reply: DeWalt Compressor Filling And Pu...

cmoorejack

Hey Mr Manning,
According to your model # it should shut off at 150 psi..[the relief valve is just doing its job]..it sounds like the pressure switch has failed..part # A05802..located internally..check out the parts breakdown to locate and decide if you want to replace yourself or take into a shop..:)
DeWALT D55141 Parts List and Diagram - Type 1 : eReplacementparts.com
hope this is helpful...
cmoorejack
bec98x
Reply: DeWalt Compressor Filling And Pu...

bec98x

Try adjusting the pressure switch down. Instructions might be on the inside of the pressure switch.

Make sure you make small adjustments and then test.

Best and safest option is to just replace it.
jamesfiguracion
Question: Help With Dewalt D5514 Type 1 Be...

jamesfiguracion

The first question is: which side of the belt faces in or out? The shiny side or the rougher side? My intuition tells me the not so shiny side since it presumably has more grip and the fan labeling is on the shiny side which would most like wear out and make it unreadable if an old one had to be replaced. Also, on a car's v-belt the ridges face inwards obviously to match the ridges on the pulley and I don't remember reading any fan labeling printed on those ridges. Was that a long-winded enough introduction?:D

Second, did I need to purchase part number 233804-43 TENSION SCALE (BELT TENSION TESTER). I stumbled upon this part/accessory(?) on the Dewalt Service Net site (link removed ServiceNET - Official Online Store for DeWALT, Porter Cable, Delta, and Black and Decker Parts).

Third, I haven't had this compressor for more than a year, is the belt breaking in half a common occurrence? When it broke, I was shutting it on and off manually because I was using HVLP paint sprayer and I didn't have another pressure regulator installed. Could this have been the reason? I admit it was a pretty numbnut-amateur thing to do...the kind of thing your dad would yell at you for when you were a kid.:D

Thank you in advance for any help.
Mike
Reply: Help With Dewalt D5514 Type 1 Be...

Mike

Hey James. You're right, the belt installs with the letters facing out. It's nice too because you won't have to remember the part number. ;) Belts break for all kinds of reasons. Over time, of course, any belt will break but I don't suspect your manual operation of the compressor made any difference.
tonywilson
Reply: Help With Dewalt D5514 Type 1 Be...

tonywilson

Hello! I am following the forum for two months and now recently joined the forum because it seems me interesting * informative.
WJA
Reply: Help With Dewalt D5514 Type 1 Be...

WJA

Welcome Tony,

Anytime you have an idea or a solution to help someone out, chime right in. And if you ever have any questions on anything that we offer. Get on the forum and let us know what you need. We will all do our best to help you out.

Again, Welcome aboard,
-WJA
Tinkerdave
Reply: Help With Dewalt D5514 Type 1 Be...

Tinkerdave

This might also be helpful:


USA SERVICE OPERATIONS
TECHNICAL SERVICES DEPARTMENT SB06107

SERVICE BULLETIN PAGE 1 OF 1

ISSUED: January 14, 2009
Written By: K. Butler
SUBJECT: PROPER BELT TENSIONING
UNITS: D55146, D55146-CA, D55167, D55168 & D55168-CA COMPRESSORS
DATE CODES AFFECTED: ALL


Proper belt tension is critical to ensure maximum belt life. An inexpensive belt tension gauge called the Krikit (model KR I) is available at local auto parts stores and some large chains. This gauge will now be available through Fidelitone as 233804-43. The guage will work for belts up to 7/8” wide and has a 30-150 pound range.

Follow the steps below to tension the belt:

a) Using a 3/8” wrench, loosen screw on idler assembly. This will release tension from the old belt.
b) Remove connecting rod bolt and move connecting rod from bearing support while leaving piston portion in cylinder.
c) Remove old belt and replace with new belt. If using A12210 belt, place lettering on the belt against the flywheel (large diameter pulley). If using N011005 belt, place lettering away from flywheel (belt teeth against flywheel).
d) Replace connecting rod and bolt. Tighten bolt to 100-120 FT-LBS.
e) Tighten the idler screw to about 40 IN-LBS. There should be enough friction to hold the idler in place while tensioning.
f) Using a 5/8” wrench, rotate the idler assembly clockwise to tension the belt; then, rotate the flywheel a few times to equalize the tension. The tension gauge should read between 60-80 LBS when checked on the longest belt span. To lock the idler assembly in place, tighten screw to 84-120 IN-LBS. Recheck tension and adjust as needed.
Bill
Review: DeWALT - D55146
3 star
Bill
This compressor was great at first. preasured up fast and kept up exceptionaly well. But it has been a constant source of trouble sence about nine months after I purchased it.
fancyboxy