4B238A #01AF71

4B238A #01AF71

Loading Schematic

Model Numbers: 4B238A

Repair Parts for the SpeedAire model 4B238A Stationary Single-Stage Air Compressor

Specifications

4B247 Pump specs:

  • Oil Capacity 8.5 oz
  • Compressor Head Bolts torque specs: 175-225 IN / LBS
  • Bearing Cap Bolts torque specs: 50-120 IN / LBS
  • Flywheel Bolt torque specs: 225-250 IN / LBS
  • If you are looking for FT / LBS then please use this formula: IN / LBS divided by 12 = FT / LBS
  • The journal on the crankshaft is 1.76" and the biggest part of the rod is 1.89". If pump knocks, check the top of the rod to make sure it is not egged out by the wrist pin

Manuals

Click here to order and dowload the Owner's Manual

Extras

We have SpeedAire 4B238A parts here. Whether you need a pressure switch or a whole new pump, we have your parts. SpeedAire4 4B238A parts are easy to come by at Master Tool Repair. We have helpful sales team members that can assist you with your repair. We have accessories as well as compressor oil to keep your pump running like a top. We keep the most popular SpeedAire 4B238A parts in stock and we can order most other parts in a matter of a few days. To make ordering easier, we have created the ability for you to order parts by simply enlarging the schematic and then using your mouse to hover over the actual part. You will see the part pop up and are able to order by simply choosing the quantity of parts that you need. Make sure to keep spare parts on hand so that your down time will be minimal. Don't forget the rubber isolator pads for floor mounting. Oil and air filters should be replaced every 3 to 4 months if used frequently. Use straight 30W or 20W (cold weather) compressor oil. Drain your tank regularly to prevent rust, especially if in a humid environment.

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