Generac 0043736, 0046265 owner manual Installation Diagram

Table of Contents

Guardian Liquid-cooled 40 kW Generator

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
Section 1 – General Information			4
1.1	Unpacking/Inspection		4
1.2	The Generator		4
1.3	Generator AC Connection Systems		4
1.4	Prepackaged Transfer Switch		4
1.5	Automatic System Operation		4
1.6	Main Circuit Breaker		5
1.7	Engine Protective Devices		5
1.8	Specifications		5

1.9Fuel Requirements and

	Recommendations	6
1.10	Engine Oil Recommendations	7
1.11	Coolant	7
1.12	Emission Control System	7

Section 3 – Operation		12
3.1	Control Console Components	12
3.2	Using the Auto/Off/Manual Switch	12
3.3	Automatic Transfer Operation	13
3.4	Sequence of Automatic Operation	13
3.5	Engine Heater	13
3.6	Weekly Exercise Cycle	14
Section 4 – Maintenance		14
4.1	Checking the Engine Oil Level	14
4.2	Changing the Engine Oil and Filter	15
4.3	Changing the Engine Air Cleaner	15
4.4	Spark Plugs	16
4.5	Battery Maintenance	16
4.6	Cooling System	16

4.7Overload Protection for

	Engine DC Electrical System	17
4.8	DC Fuse	17
4.9	Engine Coolant	17
4.10	Miscellaneous Maintenance	17
4.11	Out of Service Procedure	18
4.12	Service Schedule	19

Section 2 – Installation		8	Section 5 – Troubleshooting	20
2.1	Basic Standby Electric System	8
			5.1 Troubleshooting Guide	20
2.2	Emergency Circuit Isolation Method	9
2.3	Total Circuit Isolation Method	9	Section 6 – Installation Diagram	21
2.4	Grounding the Generator	9
2.5	Generator AC Neutral Connections	9	Section 7 – Electrical Data	22

2.6Transfer Switch Start Signal Connections ....9

2.7	Battery Installation	10	Section 8	– Exploded Views and
2.8	Preparation Before Start-up	11
				Parts Lists	30
			Section 9	– Notes	58
			Section 10 – Warranty		60

Generac® Power Systems, Inc. 1