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Category: EL-740

EL-740

EL-740 Air Compressor Cylinder Head Disassembly

Posted on August 4, 2017 by sam

1. Place the cylinder head in a soft-jawed vise, bottom side up. (1) Bushing. (2) Inlet valve guard and pin assembly. (3) Inlet valve. (4)…

EL-740

EL-740 Air Compressor Cylinder Head Removal

Posted on August 4, 2017 by sam

1. Remove the six bolts holding the cylinder head to the cylinder block. 2. Tap the cylinder head lightly with a brass or plastic hammer…

EL-740

EL-740 Air Compressor Unloader Reassembly

Posted on August 4, 2017 by sam

1. Lubricate the bores in the unloader body with Dow-Corning #33 Lubricant. 2. Insert new expander springs into new diaphragm cups. Place the diaphragm cups…

EL-740

EL-740 Air Compressor Unloader Inspection

Posted on August 4, 2017 by sam

1. Examine the unloader body and bores for cracks, damaged threads, nicks or scratches. Replace as needed. 2. Check the unloader pins for damage. Measure…

EL-740

EL-740 Air Compressor Unloader Disassembly

Posted on August 4, 2017 by sam

Unloader (1) Unloader body. (2) Expander spring. (3) Diaphragm. (4) Valve disc. (5) Retainer ring. (6) Bushing. (7) Unloader pin spring. (8) Unloader pin. 1.…

EL-740

EL-740 Air Compressor Unloader Removal

Posted on August 4, 2017 by sam

1. Reduce the air pressure in the reservoir to below 551 kPa (80 psi). 2. Remove the line from unloader to governor. 3. Remove two…

EL-740

EL-740 Air Compressor Air Cleaner Inspection And Disassembly

Posted on August 1, 2017August 4, 2017 by sam

1. Check the pressure drop across the air cleaner assembly. If the restriction is 1.2 kPa (20 inches of H2O) or greater the element should…

EL-740

EL-740 Air Compressor Air Cleaner Removal-Bolt-On Type

Posted on August 1, 2017August 4, 2017 by sam

1. Remove the two bolts holding the air cleaner to the cylinder block. 2. Remove the air cleaner and discard the gasket. Clean the gasket…

EL-740

EL-740 Air Compressor Governor Assembly Removal

Posted on August 1, 2017August 4, 2017 by sam

The governor may be mounted to the cylinder head, cylinder block or end cap by means of a bracket, or remote mounted. Air Compressor Mounted…

EL-740

EL-740 Air Compressor Service Procedure

Posted on August 1, 2017August 4, 2017 by sam

Air inlet filters should be cleaned or replaced when the vacuum level exceeds 1.2 kPa (20 inches of H2O) at compression. The governor settings and…

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