[AT] Need help troubleshooting engine/compressor

Tue Aug 11 11:19:46 PDT 2015

If it's the 2.3 L engine like they used in the ranger pick-ups there 
isn't a valve adjustment. Doug T

On 8/11/2015 1:39 PM, Cecil R Bearden wrote:
> I have been on the phone and online with Sullair.  They have been good
> about trying to help.   The engine must start under load until the
> compressor reaches 40psi, then some regulation begins.  No a lot
> though.  The engine operates under full load until the receiver fills
> and the compressor is cut back.  So,,,,   My problem must be in the
> engine.  If the electrical parts don't fix it, then I will overhaul the
> carb.   It is an overhead cam, so I don't know if there is a valve
> adjustment or it is hydraulic.  Mazda/Ford 4cyl engine.
>
> Cecil
>
>
> On 8/11/2015 11:43 AM, charlie hill wrote:
>> strange!
>>
>> Maybe yours is/was automatic somehow and built into the start side of
>> the ignition.  Don't know
>>
>> Charlie
>>
>> -----Original Message-----
>> From: Cecil R Bearden
>> Sent: Tuesday, August 11, 2015 11:12 AM
>> To: Antique tractor email discussion group
>> Subject: Re: [AT] Need help troubleshooting engine/compressor
>>
>> Looked again.  Not one there nor is there a place for one.  Never had
>> one...  Talked to previous owner who bought it new.  Never had one....
>>
>> Cecil
>>
>>
>> On 8/11/2015 8:50 AM, charlie hill wrote:
>>> That bypass is what allows it to start.  It should also
>>> relieve the load on the compressor end.
>>>
>>> Charlie
>>>
>>> -----Original Message-----
>>> From: Cecil R Bearden
>>> Sent: Tuesday, August 11, 2015 9:11 AM
>>> To: Antique tractor email discussion group
>>> Subject: Re: [AT] Need help troubleshooting engine/compressor
>>>
>>> It has the button bypass switch to bypass the safety shutdown switches.
>>> I wired around these a long time ago because I did not have enough hands
>>> to operate the switches and the choke.....
>>>
>>> Cecil
>>>
>>>
>>> On 8/11/2015 7:55 AM, charlie hill wrote:
>>>> I've been around a lot of compressors after working 25+ years
>>>> in industrial maintenance with a lot of sandblasting.  I've never
>>>> seen a compressor that didn't have some sort of by-pass button or
>>>> valve that you manually hold in to let the engine start and get
>>>> up to speed.  Cecil, maybe yours is automatic and you don't have
>>>> to manually hold it but it should be there.  Most of the time there
>>>> is a button or a switch right beside the ignition key for that purpose.
>>>> I have seen those by-pass valves fail and cause the problem you
>>>> are describing.   I've seen my guys wire the linkage open to get them
>>>> going.  Without seeing your compressor I wouldn't know where to tell
>>>> you to begin.  We used to run gasoline powered compressors but I
>>>> haven't been around anything but diesel for over 20 years.
>>>>
>>>> Charlie
>>>>
>>>> -----Original Message-----
>>>> From: Doug Tallman
>>>> Sent: Tuesday, August 11, 2015 8:18 AM
>>>> To: Antique tractor email discussion group
>>>> Subject: Re: [AT] Need help troubleshooting engine/compressor
>>>>
>>>> Cecil, It sounds like carburetion issues or a big vacuum leak. I'd think
>>>> you would hear the hiss of a leak that big. Maybe try spraying a little
>>>> carb cleaner around the manifold and see if it picks up. Doug T
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On 8/11/2015 7:09 AM, Cecil R Bearden wrote:
>>>>> Sullair 185 w/ ford/Mazda 4cyl gas engine.  Compressor always has been
>>>>> cold natured.  Had to be completely warmed up before choke could be shut
>>>>> off.  Open air line valve and engine would die without choke on at least
>>>>> half way.  Working fine a month ago.   Now, Engine tries to start and
>>>>> gets up to idle speed but compressor is loading engine and it cannot get
>>>>> up to operating speed.  If compressor could be disconnected from engine,
>>>>> it would get up to operating speed. Have replaced fuel pump, and plug
>>>>> wires.  Spark plug had some surface carbon but not really gunked up.
>>>>> took air intake elbow off of compressor and tried to cut off air intake
>>>>> to allow engine to start, but it nearly sucked my hand into the pipe.
>>>>> In the past distributor,ignition control box, and coil have been
>>>>> replaced.  Have worked on engines gas, propane and diesel for 50 years
>>>>> and this one has me beat......  This is the reason I like Diesel!!!
>>>>>
>>>>> I use this for sandblasting and blowing off the round baler.  Right now,
>>>>> the baler has some hay lodged between the belts and the rollers on the
>>>>> back side and it has the baler bound up.  The only way to get this out
>>>>> is to use a lot of high pressure air and cut the hay out with the air.
>>>>> Or, cut the belts pull them out with the loader and re-splice.  I did
>>>>> not blow off the baler last time i used it, it was trying to rain after
>>>>> I put the new bearing in that was causing the fires.  The hay builds up
>>>>> in the back above the top of the bale chamber, and causes the belts to
>>>>> stick.  Really dry hay is the worst problem...
>>>>>
>>>>>
>>>>> ---
>>>>> This email has been checked for viruses by Avast antivirus software.
>>>>> https://www.avast.com/antivirus
>>>>>
>>>>> _______________________________________________
>>>>> AT mailing list
>>>>> http://www.antique-tractor.com/mailman/listinfo/at
>>>>>
>>>>>
>>>> _______________________________________________
>>>> AT mailing list
>>>> http://www.antique-tractor.com/mailman/listinfo/at
>>>> _______________________________________________
>>>> AT mailing list
>>>> http://www.antique-tractor.com/mailman/listinfo/at
>>> ---
>>> This email has been checked for viruses by Avast antivirus software.
>>> https://www.avast.com/antivirus
>>>
>>> _______________________________________________
>>> AT mailing list
>>> http://www.antique-tractor.com/mailman/listinfo/at
>>> _______________________________________________
>>> AT mailing list
>>> http://www.antique-tractor.com/mailman/listinfo/at
>> ---
>> This email has been checked for viruses by Avast antivirus software.
>> https://www.avast.com/antivirus
>>
>> _______________________________________________
>> AT mailing list
>> http://www.antique-tractor.com/mailman/listinfo/at
>>
>> _______________________________________________
>> AT mailing list
>> http://www.antique-tractor.com/mailman/listinfo/at
>
> ---
> This email has been checked for viruses by Avast antivirus software.
> https://www.avast.com/antivirus
>
> _______________________________________________
> AT mailing list
> http://www.antique-tractor.com/mailman/listinfo/at
>
>