Section 3 - Operation; Pre-Start Checklist; Manual Starting Of The Generator - Generac Power Systems MMG480DI4 Operating Manual

Diesel generator

Table of Contents

PRE-START CHECKLIST

Before starting the generator, carefully read the pre-start checklist. Make sure that all of the items are checked before

trying to start the generator. This check list applies to both manual and remote starting of the generator.

 Read and understand ALL safety sections at the beginning of this manual.

 Make sure the control power switch is "CONTROL OFF/O".

 Make sure the circuit breakers are "OFF/O".

 Verify the generator is properly grounded. Installation should be in compliance with National Electrical

Code (NEC), as well as any state and local codes or regulations.

 Check all electrical connections at the connection lugs and cam lock receptacles (if equipped). Are

they wired correctly? Are they tight?

 Verify link board and voltage selector switch are both set to the desired voltage.

 Is the voltage selector switch (if equipped) locked?

 Is the generator sitting level?

 Thoroughly check for water inside the unit, on, or near the generator. Dry the unit before starting.

 Check oil, coolant and fuel levels and engine battery connections.

 Check engine fan belt tension and condition.

 Check engine fan belt guard.

 Check engine exhaust system for loose or rusted components.

 Check radiator and surrounding shroud for debris.

 Are any generator covers loose or missing?

 Are all preventive maintenance procedures up to date?

 Verify the battery disconnect switch is on, if equipped.

MANUAL STARTING OF THE GENERATOR

All generators equipped with the Power Zone™ controller will initially start up in "Manual Mode". This allows the

operator to start the generator as soon as the controller is powered up. Use the following procedure to start the

generator in "Manual Mode":

1. Move the control power switch to "CONTROL ON/I".

CARBON MONOXIDE: USING A GENERATOR INDOORS CAN KILL YOU IN MINUTES.

The main display will show the prestart diagnosis and the controller will load the unit management software.

33797 C