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Generac Power Systems CorePower 6/7 kW Manuals
Manuals and User Guides for Generac Power Systems CorePower 6/7 kW. We have
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Generac Power Systems CorePower 6/7 kW manual available for free PDF download: Repair Manual
Generac Power Systems CorePower 6/7 kW Repair Manual (116 pages)
Home Standby Generator
Brand:
Generac Power Systems
| Category:
Portable Generator
| Size: 9.96 MB
Table of Contents
Safety
2
Read this Manual Thoroughly
2
Table of Contents
3
Specifications
6
Generator
6
Engine
6
Fuel Consumption
7
Major Features
7
Part 1 - General Information
11
Section 1.1 - Generator Basics
12
Introduction
12
Parts
12
Generator Identification
12
Section 1.2 - Measuring Electricity
13
Meters
13
The vom
13
Measuring AC Voltage
13
Measuring DC Voltage
13
Measuring AC Frequency
13
Measuring Current
14
Measuring Resistance
14
Electrical Units
15
Ohm's Law
15
Section 1.3 - Preparation before Use
16
Introduction
16
Fuel Consumption
16
Reconfigure the Fuel System
16
Section 1.4 - Operating Instructions
18
Control Panel
18
User Interface
18
Automatic Operation
18
Manual Operation
18
Section 1.5 - Automatic Operating Parameters
20
Introduction
20
Utility Failure
20
Cranking
20
Cranking Conditions
20
Load Transfer Parameters
20
Section 1.6 - General Maintenance
22
Introduction
22
Engine Oil
22
Engine Oil Recommendations
22
Air Filter
22
Spark Plugs
22
Visual Inspection
22
Corrosion Protection
22
Valve Clearance
22
Battery
23
Section 1.7 - General Troubleshooting
24
Introduction
24
Recommended Tools
24
Troubleshooting Reminders and Tips
24
Connectors
24
PART 2 - AC Generators
25
Section 2.1 - Description and Components
26
Introduction
26
Engine-Generator Drive System
26
Alternator Assembly
26
Brush Holder and Brushes
26
Other AC Generator Components
27
Section 2.2 - Operational Analysis
28
Startup
28
On-Speed Operation
28
Field Excitation
28
AC Power Winding Output
28
Section 2.3 - Troubleshooting Flowcharts
29
Introduction
29
Problem 1 - Generator Produces Zero Voltage or Residual Voltage
29
Problem 2 - Generator Produces Low Voltage at No-Load
30
Problem 3 - Generator Produces High Voltage at No-Load
31
Problem 4 - Voltage and Frequency Drop Excessively When Loads Are Applied
31
Section 2.4 - Diagnostic Tests
32
Introduction
32
Safety
32
AC Troubleshooting
32
Test 1 - Check Main Circuit Breaker
32
Test 4 - Fixed Excitation /Rotor Amp Draw Test
32
Diagnostic Tests
33
Test 6 - Resistance Check of Rotor Circuit
34
Test 7 - Check Brushes and Slip Rings
34
Test 9 - Test the Stator
35
Test 10 - Test Rotor Assembly
36
Test 11 - Check AC Output Voltage
36
Test 12 - Check AC Output Frequency
36
Test 13 - Adjust Engine Governor
37
Test 14 - Adjust Voltage Regulator
37
Test 15 - Check for Overload Condition
38
Test 16 - Check Voltage and Frequency under Load
38
PART 3 - Transfer Switch
39
Section 3.1 - Description and Components
40
General
40
Enclosure
40
EZ Transfer Operator
40
Fuse Holder
40
Section 3.2 - Operational Analysis
41
Utility Voltage Present
41
Transfer to Standby
41
Transfer to Utility
41
Section 3.3 - Troubleshooting Flowcharts
43
Introduction
43
Problem 10 - in Automatic Mode, no Transfer to Standby
43
Problem 11 - in Automatic Mode, Generator
43
Shuts down When Utility Returns but There Is no
43
To Standby During Exercise or in Manual Mode
43
Problem 12 - Blown F1 or F2 Fuse
44
Problem 13 - Blown T1 Fuse
44
Problem 14 - Unit Starts and Transfer Occurs When Utility Power Is on
44
Section 3.4 - Diagnostic Tests
45
Introduction
45
Safety
45
Transfer Switch Troubleshooting
45
Test 27 - Check Generator Voltage at Transfer Switch
45
Test 28 - Test Transfer Operator
45
Test 29 - Check 15B/194 Circuit
45
Test 30 - Check Wire 23 Circuit
46
Test 32 - Check Fuses F1 and F2
46
Test 33 - Check N1 and N2 Wiring
47
Test 35 - Check Fuse F3
47
Test 36 - Check T1 Wiring
47
Test 38 - Check N1 and N2 Voltage
48
Test 39 - Check Utility Sense Voltage
48
Test 40 - Check Utility Voltage at Transfer Switch
48
Test 41 - Check Utility Sensing Voltage
48
At the Controller
48
PART 4 - Engine/DC Control
51
Section 4.1 - Description and Components
52
General
52
Terminal Strip / Interconnection Terminal
52
Controller
52
Auto-Off-Manual Switch
52
7.5 Amp Fuse
52
Alarms
54
Clear Alarms
54
Warnings
54
Section 4.3 - Operational Analysis
56
Utility Source Available
56
Utility Failure and Engine Cranking
57
Utility Failure and Engine Running
58
Section 4.4 - Troubleshooting Flowcharts
59
Problem 20 - Engine will Not Crank When Utility Power Source Fails
59
Problem 21 - Engine will Not Crank When AUTO-OFF-MANUAL Switch Is Set to "MANUAL
59
Problem 22 - Engine Cranks but Won't Start
60
Problem 23 - Engine Starts Hard and Runs Rough / Lacks Power / Backfires
61
Problem 24 - Shutdown Alarm/Fault Occurred
62
Problem 25 - 7.5 Amp Fuse (F1) Blown
63
Problem 26 - Generator will Not Exercise
63
Problem 27 - no Battery Charge
63
Section 4.5 - Diagnostic Tests
64
Introduction
64
Safety
64
Engine/DC Troubleshooting
64
Auto-Off-Manual Switch
64
Test 53 - Try a Manual Start
65
Test 54 - Test Auto Operations
65
Test 55 - Check 7.5 Amp Fuse
65
Test 56 - Check Battery
65
Test 57 - Check Wire 56 Voltage
67
Test 58 - Test Starter Contactor
67
Test 59 - Test Starter Motor
68
Test 60 - Check Fuel Supply and Pressure
69
Test 61 - Check Circuit Board Wire 14 Output
70
Test 62 - Check Fuel Solenoid
71
Test 63 - Check Choke Solenoid
71
Test 64 - Check for Ignition Spark
71
Test 65 - Check Spark Plugs
72
Test 66 - Check Engine / Cylinder Leak
73
Down Test / Compression Test
73
Cylinder Leak down Test
73
Check Compression
73
Test 67 - Check Ignition Coil
74
Test 68 - Check Oil Pressure Switch and Wire
74
Test 69 - Check High Oil Temperature Switch
75
Test 70 - Check and Adjust Valves
76
Test 71 - Check Wire 18 Continuity
77
Test 72 - Test Exercise Function
77
Test 73 - Test Cranking and Running Circuits
77
Test 74 - Test Run Circuit
78
Test 75 - Test Crank Circuit
78
Test 76 - Check Battery Charger Supply Voltage
78
Test 77 - Check Battery Charger Output Voltage
79
Test 78 - Check Wire 0/15B
79
Test 79 - Check Shutdown Wire
79
Wiring Diagram
104
Electrical Schematic
105
Electrical Formulas
106
Index of Figures
112
Index of Tables
113
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