Generac Power Systems 4270-0 - Manual (Page 3)

Table of Contents
QUIETPACT™ 75D Recreational Vehicle Generator
Part I ~ Owner's Manual
Introduction........................... ..................Inside Front Cover
Read This Manual Thoroughly ....................................... IFC
Contents............................................................................... IFC
Operation and Maintenance ..............................................IFC
How to Obtain Service........................................................ IFC
Authorized Service Dealer Locator Number.................... IFC
Safety Rules.................... ............. ....................... ........... ....... .2
Section 1 - General Information..................... ..................... 4
1.1 Generator Identification..................................................4
1.2 Generator Applicability...................................................5
1.3 Safely.... 5
1.4 Generator AC Connection System................................. 5
1.5 Specifications ................................................................... 5
1.5.1 Fuel Requirements........................................... 5
1.5.2 Fuel Consumption............................................ 6
1.5.3 Engine OH Requirements............................... 6
1.5.4 Coolant ............................................................. 6
1.5.5 Engine................................................................6
1.5.6 Generator .........................................................6
Section 2 - Operation...............................................................7
2.1 Generator Control Panel ................................................ 7
2.1.1
Hourmeter........................................................ 7
2.1.2 Start/Stop Switch............................................. 7
2.1.3 Fuse....................................................................7
2.1.4 Line Breaker.....................................................7
2.1.5 Preheat Switch..................................................7
2.2 Optional Remote Start/Stop ........................................... 7
2.3 Before Starting the Engine.............................................. 7
2.3.1
Installation 7
2.3.2 Engine Lubrication.......................................... 8
2.3.3 Fuel Supply ...................................................... 8
2.3.4 Coolant Level....................................................8
2.3.5 Cooling and Ventilating Air ...........................8
2.3.6 Engine Exhaust Gas......................................... 8
2.4 Starting the Generator.....................................................8
2.5 Stopping the Generator................................................... 9
2.6 Applying Loads to Generator..........................................9
2.6.1 Letting the Engine Stabilize............................ 9
2.6.2 Do Not Overload the Generator..................... 9
2.7 Protection Systems........................................................... 9
2.7.1 Low OH Pressure Switch..................................9
2.7.2 High Temperature Switch .............................. 9
2.7.3 Over speed Shutdown.................................... 10
2.7.4 Overvoltage Protection.................................. 10
2.8 Additional Information ................................................. 10
2.8.1 25-Hour Break-in Period...............................10
2.8.2 25-Hour Check-up......................................... 11
2.8.3 Attention Required After Submersion ........11
2.8.4 Operation In High Grass or Brush.............. 11
2.8.5 Effects of Moisture and Dirt ........................ 11
Section 3 - Maintenance............... ...................................... 12
3.1 Checking the Engine OH Level...................................... 12
3.2 Changing the Engine OH and/or OH FUter ...............12
3.3 Servicing the Engine Air FHter.................................... 12
3.4 Spark Arrestor Muffler ................................................13
3.5 Cleaning the Generator ................................................ 13
3.6 Battery Maintenance .................................................... 14
3.7 Cooling System.................................................................14
3.8 Engine Coolant............................................................... 14
3.9 Major Service Manual .................................................. 15
3.10 Drive Belt........................................................................ 15
3.11 Exercising tlie Generator...............................................15
3.12 Out of Service Procedure.............................................. 15
3.12.1
Removal From Service.................................. 15
3.12.2 Return to Service........................................... 15
3.13 Service SchediHe............................................................ 16
Part II - installation Instructions
Safety Rules......................... ...................................................18
Section 1 - General Information............................................ 20
1.1 Purpose and Scope of the Manual..................................20
1.2 Safety................................................................................20
1.3 Standards Booklets......................................................... 20
1.4 Equipment Description.................................................. 20
1.5 Generator Engine Operating Speed..............................20
1.6 Generator AC Connection System................................20
Section 2 - Installation.................................................. ......... 22
2.1 Location and Support.....................................................22
2.1.1 Generator Location ....................................... 22
2.1.2 Generator Support ........................................ 22
2.1.3 Suspended Moimtlng......................................22
2.1.4 Generator Restraint....................................... 23
2.2 Generator Compartments .............................................23
2.2.1
Compartment Construction.......................... 23
2.2.2 Sound Insulating Materials .......................... 24
2.2.3 Acoustics.......................................................... 24
2.2.4 Compartment Floor Cutouts.........................25
2.3 Cooling and VentHattng Air ........................................ 26
2.3.1
Generator Airflow ......................................... 26
2.3.2 Cooling Air Inlet Openings............................26
2.3.3 Compensating for Restrictions...................... 27
2.3.4 Testing the Installation...................................27
2.4 Diesel Fuel System.......................................................... 27
2.4.1 Fuel Tank........................................................ 28
2.4.2 Generator Fuel Supply Line.......................... 28
2.4.2.1
Rigid Fuel Lines.......................... 28
2.4.2.2 Flexible Fuel Line....................... 28
2.5 Exhaust System........29
2.5.1 Mufflers and Speirk Arrestors ..................... 29
2.5.2 Exhaust System Safely....................................29
2.6 Electrical Connections....................................................30
2.6.1 Electrical Junction Box.................................. 30
2.6.2 Wiring.............................................................. 30
2.6.3 Generator AC Connections ...........................30
2.6.3.1
Generator Coversion to 120
Volts Only - Dual Circuits...........31
2.6.4 Conduit............................................................ 32
2.6.5 Power Supply Cord.........................................32
2.6.6 Ground Fault Circuit Interrupters............... 32
2.6.7 Isolating Different Power Sources ................32
2.7 Battery Installation......................................................... 33
2.7.1 Recommended Battery................................... 33
2.7.2 Battery Cables.................................................33
2.7.3 Battery Cable Connections............................ 33
2.7.4 Battery Compartment ................................... 34
2.8 Optional Accessories.......................................................34
2.8.1 Remote Start/Stop Connections......................34
Section 3 - Post-installation Start-up
Checks 35
3.1 Post Installation Tests.....................................................35
3.2 Before Initial Start-up ................................................... 35
3.3 Initial Start ..................................................................... 35
3.4 Testing Under Load........................................................ 35
3.5 Installation Checklist....................................................... 36
Appendix 1 - Troubleshooting.............................................. 37
Appendix 2 - Electrical Data.................................................. 38
Appendix 3 - Exploded Views and Parts Lists..................... 40
Appendix 4 - Notes.............................................................. 61
Appendix 5 - Warranty........................................................... 64
Generac* Power Systems, Inc.