Overview
This manual provides diagnostic and repair information for Generac’s air-cooled, prepackaged automatic standby generators.
Models Covered
The manual covers models 4389, 4758 (6 kW NG, 7 kW LP), 4456, 4759 (12 kW NG, 12 kW LP), and 4390, 4760 (13 kW NG, 15 kW LP).
Content
The manual includes specifications, general information, AC generator data, DC control operational tests, disassembly procedures, electrical data, and more.
Manual:
Download: GUARDIAN Diagnostic Repair Manual for Automatic Home Standby Generators
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