Generac Power Systems 04389-3, 04456-3, 04390-3 Introduction, Inside Front Cover, Operation

Table of Contents

Air-cooled 7 kW, 12 kW and 15 kW Generators

Introduction	Inside Front Cover
Read This Manual Thoroughly		IFC
Contents		IFC
Operation and Maintenance		IFC
How to Obtain Service		IFC
Authorized Dealer Locator Number		IFC
Safety Rules		2
Standards Index		3

Section 3 – Operation		14
3.1	Break-in Procedure	14
3.2	Using the Auto/Off/Manual Switch	14
3.3	Automatic Transfer Operation	15
3.4	Sequence of Automatic Operation	15
3.5	Manual Transfer Operation	16
3.6	Setting the Exercise Timer	17
3.7	Protection Systems	17

Section 1 – General Information		4
1.1	Unpacking/Inspection	4
1.2	Protection Systems	4

1.3NEC Requirement for Arc Fault Circuit

	Interruption Breaker for Bedrooms	4
1.4	The Generator	5
1.5	Specifications	6
1.6	System Set LED	7
1.7	Fuel Requirements and Recommendations ...	7
1.8	Fuel Consumption	7
1.9	Reconfiguring the Fuel System	7
1.10	Location	8
1.11	Battery Installation	9
1.12	The Battery	9
Section 2 – Post Installation Start-up
	and Adjustments	10
2.1	Before Initial Startup	10
2.2	Check Transfer Switch Operation	10
2.3	Electrical Checks	10
2.4	Generator Tests Under Load	11
2.5	Checking Automatic Operation	11

2.6Adjusting the Regulator

	(Natural Gas Only)	12
2.7	Engine Governor Adjustment	13
2.8	Voltage Regulator Adjustment	14

Section 4 – Maintenance		18
4.1	Fuses	18
4.2	Checking the Engine Oil Level	18
4.3	Changing the Engine Oil	19
4.4	Changing the Oil Filter	19
4.5	Changing the Engine Air Cleaner	19
4.6	Spark Plug(s)	20
4.7	Battery Maintenance	20

4.8Adjusting GH-410/GT-990/760

	Valve Clearance		21
4.9	Cooling System		21
4.10	Attention After Submersion		22
4.11	Corrosion Protection		22
4.12	Out of Service Procedure		22
4.13	Service Schedule		23
Section 5 – Troubleshooting			24
5.1	Troubleshooting Guide		24
Section 6		– Notes	25
Section 7		– Electrical Data	28
Section 8		– Exploded Views and
		Parts Lists	42
Section 9		– Mounting Dimensions	63
Section 10 – Warranty			64

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