Generac Power Systems NP Series - Manual (Page 3)

Table of Contents
PRIMEPACT 55C and 55LP Recreational Vehicle Generators
Part I — Operating Instructions
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 Installation ........................................................................ 5
1.4 Safety ................................................................................. 5
1.5 Generator AC Connection System.....................................5
1.6 Specifications .................................................................... 6
1.6.1 Fuel Requirements ................................................. 6
1.6.2 Engine Oil Requirements ....................................... 6
1.6.3 Engine Specifications .............................................6
1.6.4 Emissions Compliance Period ............................... 6
1.6.5 Generator Specifications......................................... 6
Section 2 - Operation................................................................................... 7
2.1 Generator Control Panel.....................................................7
2.1.1 Fuel Primer..............................................................7
2.1.2 StartyStop Switch....................................................7
2.1.3 15 Amp Fuse...........................................................7
2.1.4 Line Breakers.......................................................... 7
2.2 Optional Remote Start/Stop Panel..................................... 7
2.3 Automatic Choke .............................................................. 7
2.3.1 Choke Solenoid ......................................................7
2.3.2 Prechoke..................................................................8
2.4 Before Starting the Engine ................................................8
2.4.1 Installation...............................................................8
2.4.2 Engine Lubrication .................................................8
2.4.3 Fuel Supply............................................................. 8
2.4.4 Cooling and Ventilating Air ...................................8
2.4.5 Engine Exhaust Gas ............................................... 8
2.5 Starting the Generator ....................................................... 8
2.6 Stopping the Generator...................................................... 9
2.7 Applying Loads to Generator ............................................9
2.7.1 Letting the Engine Stabilize ...................................9
2.7.2 Do Not Overload the Generator .............................9
2.8 Protection Systems.............................................................9
2.8.1 Low Oil Pressure Switch........................................ 9
2.8.2 High Temperature Switch..................................... 10
2.8.3 Field Boost............................................................ 10
2.8.4 Overvoltage Protection ........................................ 10
2.8.5 25-Hour Break-in Period...................................... 10
2.8.6 25-Hour Checkup................................................. 11
2.8.7 Operation in High Grass or Brush........................ 11
Section 3 - Maintenance........................................................................ ....11
3.1 Checking the Engine Oil Level....................................... 11
3.2 Changing the Engine Oil and/or Oil Filter...................... 11
3.3 Maintaining the Engine /Ur Cleaner ...............................12
3.3.1 Cleaning the Foam Precleaner.............................. 12
3.4 Clean Air Intake Screen .................................................. 12
3.5 Checking the Engine Spark Plug..................................... 12
3.6 Fuel Filter (Gasoline Only) .............................................13
3.7 Spark /U-restor Muffler................................................... 13
3.8 Cleaning the Generator.................................................... 13
3.9 Battery Maintenance......................................................... 13
3.9.1 Weekly ................................................................. 13
3.9.2 Every Six Months................................................. 13
3.10 Major Service Manual......................................................14
3.11 Drive Belt.........................................................................14
3.12 Exercising the Generator .................................................14
3.13 Out of Service Procedure ................................................ 14
3.13.1 Removal From Service ...................................... 14
3.13.2 Return to Service ............................................... 15
3.14 Wattage Reference Guide................................................ 15
Section 4 - Notes.........................................................................................16
Part II — Installation Instructions........................................................... 17
Safety Rules........................................................................................... 18-19
Section 5 — General Information........................................................... 20
5.1 Purpose and Scope of the Manual....................................20
5.2 Safety ................................................................................20
5.3 Standard Booklets ............................................................ 20
5.4 Equipment Description.................................................... 20
5.5 Generator Engine Operating Speed................................. 20
5.6 Generator AC Connection System...................................20
Major Dimensions and Features...................................... 21
Section 6 - Installation.......................................................................22
6.1 Location and Support....................................................... 22
6.1.1 Generator Location............................................... 22
6.1.2 Generator Supports .............................................. 22
6.1.3 Suspended Mounting ........................................... 22
6.1.4 Generator Restraint .............................................. 23
6.2 Generator Compartments................................................. 23
6.2.1 Compartment Size ................................................. 23
6.2.2 Compartment Construction ................................... 23
6.2.3 Sound Insulating Materials................................... 24
6.2.4 Acoustics ............................................................... 24
6.2.5 Compartment Floor Cutouts................................. 25
6.3 Cooling and Ventilation................................................... 26
6.3.1 Generator Airflow.................................................26
6.3.2 Cooling Air Inlet Openings ..................................26
6.3.3 Compensating for Restrictions..............................27
6.3.4 Testing the Installation..........................................27
6.4 Gasoline Fuel System ....................................................... 27
6.4.1 Fuel Tank ............................................................. 28
6.4.2 Generator Fuel Supply Line .................................28
6.4.2.1 Rigid Fuel Lines............................................28
6.4.2.2 Flexible Fuel Lines....................................... 28
6.5 LP Gas Fuel System ......................................................... 28
6.5.1 Parts not included in Fuel System ........................28
6.5.2 Some Important Considerations............................29
6.5.3 Vapor Withdrawal.................................................29
6.5.4 Primary Regulator.................................................29
6.5.5 Gaseous Carburetion ............................................29
6.5.6 Fuel Supply Lines................................................. 30
6.5.7 Excess Flow Valve................................................30
6.5.8 Leakage Tests........................................................30
6.6 Exhaust Systems.............................................................. 30
6.6.1 Mufflers and Spark /Wrestors...............................31
6.6.2 Type of Exhaust System....................................... 31
6.6.3 Exhaust System Safety......................................... 31
6.7 Electrical Connections ......................................................31
6.7.1 Electrical Junction Box ......................................... 31
6.7.2 Wiring................................................................... 32
6.7.3 Generator AC Connections................................... 32
6.7.4 Conduit..................................................................32
6.7.5 Isolating Different Power Sources........................ 32
6.7.6 Power Supply Cord............................................... 33
6.7.7 Ground Fault Circuit Interrupters ..........................33
6.8 Battery Installation...........................................................34
6.8.1 Recommended Battery..........................................34
6.8.2 Battery Cables ......................................................34
6.8.3 Battery Cable Connections .................................. 34
6.8.4 Battery Compartment............................................34
6.9 Optional Accessories....................................................... 34
6.9.1 Remote Panel Models .........................................35
Section 7 — Post Installation ................................................................. 35
7.1 Post Installation Tests...................................................... 35
7.2 Before Initial Start-up...................................................... 35
7.3 Initial Start....................................................................... 35
7.4 Testing Under Load......................................................... 35
7.5 Installation Checklist ...................................................... 36
Section 8 - Troubleshooting............................................................. 37
8.1 Troubleshooting Guide......................................................37
Troubleshooting Notes .................................................... 38
Section 9 - Electrical Data.......................................... ....... .......................39
Section 10 - Exploded Views and Parts Lists................................ 40-50
Section 11 - Notes............................................................................ 38 & 51
Section 12 - Warranty....................................................... 52-Back Cover
Generac® Power Systems, Inc. 1