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How to remove pulley from air compressor motor

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Motor pulley for an old Ingersoll Rand type 30 compressor

Here is a link to Ingersoll-Rand (compressed air division) where you can find a local distributor. I think a call to a parts tech might provide the original motor sheave outside diameter and belt size (I'm suspecting "A" or "B" size).

With that info, here is a link to a good industrial source for your new motor sheave (McMaster-Carr):

Their prices aren't so bad.
You may also have a local industrial sales in your area.
I hope this helps you... Nice compressor!

Posted on Sep 01, 2009

Testimonial: "Thanks for the info; I'll contact them and go from there."

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SOURCE: my compressor will not kick on when it's filled

its starting under a load..its not build off or your tank check is bad

Posted on Dec 19, 2010

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2 Answers

Motor turns and pump pully does not. burning up belt.

Air Compressor Trouble-Shooting, Problems, The Causes ...
Provided below is a general list of common air compressor problems, and a few quick ... Loose pulley, flywheel, belt, belt guard, cooler, clamps or accessories. ... Piston rings installed up-side down. ... Receiver does not hold pressure when compressor is unloaded. ... Turn on power, check fuse, breaker, or motor overload.

Reasons Why an Air Compressor Will Not Build Pressure
An air compressor that will not build pressure runs on long past the point where it normally ... air compressor with at least one piston that moves up and down or side to side to pump air - cycles, .... I have an Ingersoll rand 7100 compressor 2stage 175 psi 120 gal tank ... The motor is a 2.5hp 3450 rpms with a 4 inch pulley.

Supercharge your Air Compressor for 20 bucks or less - Sawmill ... > ... > General Woodworking and Power Tools

Mar 16, 2006 - 15 posts - ‎8 authors
I have a 27 gallon belt driven Sanborn (Coleman) compressor and I have been ... I'mnot suggesting they won't compress air or give good service. .... Most any small oil-less compressor will serve a nailor, pump up the snow tires ... A two stagecompressor pumps 20 to 30% more CFM per motor HP thanks to ...

Jan 05, 2016 | Ingersoll Air Tools & Compressors

1 Answer

I have a craftsman 3gallon 1hp air compressor when I plug it in the compressor clicks on and off motor not coming on can you please help me

With the unit disconnected electrically, remove the belt and try to manually turn the compressor pulley. If you cannot, if could be either of two things...a locked up compressor, or a clogged up reed valve assembly. Some compressors have external reed valves that function as compression relief devices when starting under pressure. They are prone to clog with much ussage.
If the motor will not start on it's on with the pulley removed, you probably have a faulty motor start capacitor. Motors of this size have to use cappacitorswhen starting. Any local motor repair shop should be able to supply you with and fix the capacitor fairly easily. Best Wishes

Sep 01, 2014 | Air Tools & Compressors

1 Answer

VP10 Pump,air Compressor,single Stage,3 Hp 5FTU5

3 inch pulley with a 3600 rpm motor. 6 inch pulley with 1800 rpm motor.

Nov 04, 2013 | Champion VP10 Pump,air Compressor,single...

1 Answer

Compressor belt squeals


Turn the compressor off, and check the sides of the belt that touch the pulleys. If the surface of the sides of the belt are shiny and slick, replace the belt (bring the old belt to any auto parts store and match it up to a new belt). To remove the old belt, check the mounting point of the motor, and mark where the edge of the motor mount meets the deck. Loosen the motor mounting bolts and slide the motor toward the compressor. Remove the old belt and install the new one. When you put the new belt on, make sure the tension is correct. slide the compressor motor away from the compressor and tighten the mounting belts. (At the center point between the pulleys, the belt should only deflect 3/8 to 1 1/2" when you push downward with about 8 pounds of pressure, (the general rule is 1/4 inch deflection per inch of belt between the pulleys.

Sep 19, 2013 | Ingersoll Rand Air Tools & Compressors

1 Answer

The belt broke on this do I install it?

Unplug the power cord or shutting off the circuit breaker. Remove the belt guard loosen the four bolts that hold the motor to the compressor frame. The holes in the frame are slotted to move the motor for belt tensioning. Remove the old belt by pushing the motor toward the compressor. Place the new belt on the pulleys and hand tighten the four motor bolts. Align the two pulleys with each other. Apply a little tension on the V-belt. Place the bar at the base of the motor and push the motor back using the frame of the compressor as the leverage point & deflect the belt downwards with your finger. You should have approximately ½ inch of free belt deflection. Tighten all four motor mounting bolts & check the deflection of the V-belt and the alignment between the pulleys again. Realign or re-tension as necessary. A correct fit will ensure proper operation of the air compressor. Replace the belt guard on the air compressor and reapply the power. Check the belt movement through the guard and for proper operation of the compressor by following the manufacturer's instructions.

Jan 07, 2011 | Campbell Hausfeld 5 Peak / 1.7 Running HP,...

1 Answer

The motor is running. Belts and pulleys are turing. oil level is good. No leaking from tank or conectionslbs. Motor runs contiuously tank Air pressure will not rise above 25-50.

While the compressor is running and has reached point of not attaining higher pressure remove air filter and place your gloved finger over the intake hole (be carefull may be hot). If compressor is working properly you will feel suction, if however you feel air blowing out of intake most likely blown head gasket /s and or broken reed valves. Easy to fix however, look for parts at

Nov 03, 2010 | Coleman 6.5hp - 80 Gallon Vertical ASME...

1 Answer

I have an Ingersoll Rand Type 30 air compressor. Model #234. I was given this unit because the motor had gone bad. I would like to replace the motor and use it but I was not given the bad motor with the...

One dealer for your model compressor is Northern. They are very good at replacement parts. If you do not have 3 phase power, you could shop around for 5 to 7 hp 220 v motor making sure that the motor mount will align with your plate. Pully size depends on dia. of pulley on the pump. Most pumps turn between 550 min to 1100 rpm depending on the power available and cfm requirements. Most motors turn at 1725 rpm so for example if your compressor has a 14 in. pulley then you motor will need a 5 in. pulley to turn it about 620 rpm. The larger the pulley at the motor the higher cfm produced but more amps used. Motor speed x pulley dia. divided by compressor pulley dia. To obtain more efficiency and highest cfm you will need 3 phase. Good place to see motors and two piece pulley combnations is Good luck

Sep 25, 2010 | Ingersoll Rand Type 30 Reciprocating Air...

1 Answer

How to change belt

That solution applies to all belt driven machinery, including your compressor, brand is irrelevant. Follow this short instructions:

1. switch off power (or if petrol driven stop motor) and remove the plug from power socket.
2. allow air to escape from the tank (I hear the argument that this is not necessary, but I did see few times, when leaky one-way allow backpressure to cylinder!), I usually at same time drain the tank by opening bottom valve/drain hole
3. remove safety covers from belts and pulleys
4. you have two pulleys, one mounted on motor (tension) and one monunted on pump (stationary), in more industrial models you have third pulley, tension pulley, in case of your particular model there are only two pulleys.
5. loose bolts and nuts on the base of the motor and slide it towards pump (there are two versions of this particular model, one of them have under the mount tension bolt which allow gradual sliding and tensioning of the belt).
6, rotate pulley and remove belt, reinstall new belt
7. slide motor back to it's original place applying even pressure, or if equipped, turn tension screw till desired tension on the belt is achieved.
8. check if tension is correct, if belt is pressed in the centre it should not buckle more than its thickness, if it is more - too low tension, will slip and not turn the pump, if it is too high tension, belt will fry and apply undue pressure on pump and motor leading to they early demise.
9. stay back and connect to electrical outlet, switch on, and off, disconnect and check tension again, if it is correct, tighten up mounting bolts on the base of teh motor,
10. mount screen, drain valve and close outlet valve
11. switch on and run for 1min, after stop, check if everything is running correctly, if there are no slippage or air leaks. If all checks correctly, you just saved yourself few hundred bucks service fee... :-)

Hope this solved your problem, enjoy!

Aug 15, 2010 | Campbell Hausfeld 5HP 20 Gallon Single...

1 Answer

Can you provide me with basic instructions on installing a drive belt in a dewalt air compressor? Thank you

Loosen the motor mounting fasteners and slide the motor toward the compressor. That should relax the old belt enough to remove and install the new one. Slide the motor back so that the belt tightens and the belt travels evenly over the pulleys. Try to get the motor pulley in the same plane as the compressor pulley and have about 1/2" of up/down play in the middle of the run of belt. Misalignment of the pulleys will accelerate the belt wear as will improper tension. Good luck!

Aug 08, 2010 | Garden

6 Answers

Motor pulley for an old Ingersoll Rand type 30 compressor

Here is a link to Ingersoll-Rand (compressed air division) where you can find a local distributor. I think a call to a parts tech might provide the original motor sheave outside diameter and belt size (I'm suspecting "A" or "B" size).

With that info, here is a link to a good industrial source for your new motor sheave (McMaster-Carr):

Their prices aren't so bad.
You may also have a local industrial sales in your area.
I hope this helps you... Nice compressor!

Sep 01, 2009 | Ingersoll Rand Type 30 Fully Packaged Ir...

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