Section 3 - Operation; Prestart Checklist; Manual Starting Of The Unit - Generac Power Systems MAGNUM MMG25IF4 Operating Manual

Diesel generator with power zone controller

Table of Contents

PRESTART CHECKLIST

Before starting the unit, carefully read the prestart checklist. Verify all items are checked before starting the unit. This

checklist applies to both manual and remote starting of the unit.

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

 Verify the Control Power switch is OFF (O).

 Verify all circuit breakers are switched OFF (O).

 For grounding requirements, follow any local, state, or National Electrical Code (NEC) guidelines.

 Inspect all electrical cords; repair or replace any that are cut, worn, or bare.

 Verify all electrical connections at the connection lugs are tight and wired correctly.

 Verify the voltage selector switch is set to the desired voltage and locked.

 Check the unit is level.

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

 Check oil, coolant, and fuel levels. For more information, see

 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.

 Check to make sure none of the generator covers are loose or missing.

 Verify all maintenance procedures are up to date. For more information, see

 Verify engine battery connections are secure.

 Check that the battery disconnect switch is on.

 Verify emergency stop switch is pulled out.

MANUAL STARTING OF THE UNIT

All units equipped with the Power Zone™ controller which will initially start up in Stop mode. Use the following pro-

cedure to start the generator in Manual mode:

1. Move the Control Power switch to ON (I).

ASPHYXIATION. RUNNING ENGINES PRODUCES CARBON MONOXIDE, A COLOR-

LESS, ODORLESS, POISONOUS GAS. CARBON MONOXIDE, IF NOT AVOIDED, WILL

The LCD window will show the prestart diagnosis and the controller will load the unit management software.

36949 B