4MU11 #01AF61
Loading Schematic
Model Numbers: 4MU11
Repair Parts for the SpeedAire model 4MU11 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 download the Owner's Manual
Extras
We have your SpeedAire 4MU11 parts here. Whether you need a pressure switch or a whole new pump, we have your parts. SpeedAire4 MU11 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 4MU11 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, twice a year if used infrequently. Use straight 30W compressor oil. Drain your tank regularly to prevent rust, especially if climate has high humidity.
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Price: $2.67
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Crankshaft Assy. #01D8C6
Price: $107.81For pumps that end in "AV" ONLY! Includes crankshaft, bearings, rings, conrods, and pistons. NOTE! This will not fit pump models ending in "AJ".Price: $107.81 -
Compression Adapter Kit #05C165
Price: $21.81This compression adapter kit converts the new single-outlet air compressor pump head into 2 outlets. This will save you from having to purchase the expensive check valve for many older-style units. Simply screw this into the head of your new pump and...Price: $21.81 -
Nipple, 1/4" MPT x 1.5" Steel Pipe #05C5DC
Price: $1.47Old Part Numbers: AB-9053138, AB-9050373, ST070324AV, 90503731/4" MPT x 1.5" steel pipe nipple. Be sure to apply plumber's tape on the threads before installation.Price: $1.47 -
Safety Relief Valve, 1/4" MPT, 170 PSI #11632B
Price: $8.95Old Part Numbers: SRV250170, 1229O-170Air compressor safety relief valve, 1/4" MPT, 170 PSI. If your valve leaks below the pressure listed on the side of the valve, replace this vital safety feature.Specifications MPT Inlet: 1/4 in. FPT Outlet: 3/8 in...Price: $8.95