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Generac Power Systems
Portable Generator
04389-0
Generac Power Systems 04389-0 User Manual
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PO
WER
SY
STEMS, INC.
®
GENERA
C
POWER SY
STEM
S, INC.
R
R
Installation and
Owner’
s Man
ual
Air
-cooled,
Prepac
kaged
A
utomatic Standb
y Generators
Models:
04389-0 (6 kW NG,
7 kW LP)
04456-0 (10 kW NG,
12 kW LP)
04390-0 (13 kW NG,
15 kW LP)
DEADL
Y EXHAUST FUMES.
OUTDOOR INST
ALLA
TION ONL
Y!!
D
ANGER
Not intended f
or use as Primar
y P
ower in place of utility or in life-
suppor
t applications.
!
!
2
Table of Contents
Introduction
2
Read this Manual Thoroughly
2
Contents
2
Operation and Maintenance
2
How to Obtain Service
2
Table of Contents
3
Safety Rules
4
Standards Index
5
Section 1 - General Information
6
Unpacking/Inspection
6
Protection Systems
6
Additional Generator Features
6
Kw, 12 Kw, and 15 Kw Units
6
Your Generator
7
Specifications
8
Generator
8
Engine
8
Fuel Requirements and Recommendations
9
Fuel Consumption
9
Reconfiguring the Fuel System
9
Location
10
Generator
10
Transfer Switch
10
Battery Installation
10
The Battery
11
Section 2 - Post Installation Start-Up and Adjustments
11
Before Initial Startup
11
Check Transfer Switch Operation
12
Electrical Checks
12
Generator Tests under Load
12
Checking Automatic Operation
13
Adjusting the Regulator (Natural Gas Only)
13
Engine Governor Adjustment
14
Kw Units
14
Kw and 15 Kw Units
14
Additional Corrosion Protection
15
Voltage Regulator Adjustment
15
Section 3 - Operation
15
Break-In Procedure
15
Using the Auto/Off/Manual Switch
15
Auto" Position
15
Off" Position
15
Manual" Position
15
Automatic Transfer Operation
16
Sequence of Automatic Operation
16
Manual Transfer Operation
16
Transfer to Generator Power Source
16
Transfer Back to Utility Power Source
17
Setting the Exercise Timer
17
Protection Systems
18
Low Oil Pressure Switch
18
High Temperature Switch
18
Overcrank
18
Overspeed
18
Section 4 - Maintenance
18
Fuse
18
Checking the Engine Oil Level
18
Changing the Engine Oil
19
Engine Oil Recommendations
19
Oil Change Procedure
19
Changing the Oil Filter
19
Changing the Engine Air Cleaner
20
Kw, 12 Kw and 15 Kw Generators
20
Spark Plug(S)
20
Battery Maintenance
20
Adjusting Valve Clearance
21
Cooling System
22
Attention after Submersion
22
Out of Service Procedure
23
Corrosion Protection
23
Service Schedule
24
Section 5 - Troubleshooting
25
Troubleshooting Guide
25
Section 6 - Electrical Data
26
Section 7 - Exploded Views and Parts Lists
34
Section 8 - Notes
55
Section 9 - Mounting Dimensions
57
Section 10 - Warranty
58
California Emission Control Warranty Statement
58
Emission Control System Warranty
59
Generac Power Systems, Inc
60
4
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Generac Power Systems 04389-0 Specifications
General
Brand
Generac Power Systems
Model
04389-0
Category
Portable Generator
Language
English
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