EL-740 Air Compressor Type – Two cylinder Rating – 7.4 cubic feet per minute Cylinder Head Components Exhaust valve seat top of valve seat to…

1. Air Compressor Fails To Maintain Sufficient Pressure Or Adequate Air. 2. Noisy Operation. 3. Air Compressor Passes Excessive Oil. 4. Air Compressor Not Unloading…

Install a governor assembly to the air compressor, if one has not been installed previously. Connect an oil supply line having at least 138 kPa…

1. Place new head to block gasket on cylinder block. 2. With cylinder head rotated to the proper position (to ensure proper porting); place the…

1. Place the cylinder head, bottom side up in a soft-jawed vise. 2. Insert the exhaust valve cages into the exhaust cavities. (Use new parts,…

1. Position the crankcase so that the pistons are pointing up. On flange mounted air compressors it may be advisable to place the crankcase in…

1. Place the crankcase and crankshaft assembly on its side. 2. Remove the bearing cap and insert the assembly from the piston and connecting rod…

1. Lubricate the piston pin, piston pin bores and piston pin diameters in the connecting rod with engine oil. 2. Position the connecting rod in…

1. Examine the crankcase for cracks and damage to the gasket surfaces. Replace, if necessary. 2. Inspect the studs in the crankcase, if used. Replace…