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Tag: Unloader

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…

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