Page 2 - INTRODUCTION; READ THIS MANUAL THOROUGHLY; This symbol points out potential fire hazard.; CONTENTS; AUTHORIZED SERVICE
Generac ® Power Systems, Inc. INTRODUCTION Thank you for purchasing this model of the QUIETPACT™ product line by Generac PowerSystems, Inc. This model is designed and manufac-tured to supply electrical power for recreational vehi-cles. READ THIS MANUAL THOROUGHLY If any portion of this manual is not...
Page 3 - Table of Contents; Part I – Owner’s Manual; Section 3 – Post-installation Startup
Table of Contents QUIETPACT™ 75D Recreational Vehicle Generator Generac ® Power Systems, Inc. 1 Part I – Owner’s Manual Introduction ......................................Inside Front Cover Read This Manual Thoroughly ....................................IFC Contents ....................................
Page 4 - GENERAL HAZARDS; DANGER
2 Generac ® Power Systems, Inc. Study these SAFETY RULES carefully beforeinstalling, operating, or servicing this equipment.Become familiar with this manual and with the unit.The generator can operate safely, efficiently, and reli-ably only if it is properly installed, operated, andmaintained. Many ...
Page 5 - ELECTRICAL HAZARDS; Safety Rules
Generac ® Power Systems, Inc. 3 • When working on this equipment, remain alert at all times. Never work on the equipment whenphysically or mentally fatigued. • Inspect the generator regularly, and contact the nearest Generac Authorized Service Dealer imme-diately for parts needing repair or replacem...
Page 6 - Section 1 – General Information; IDENTIFICATION
4 Generac ® Power Systems, Inc. Section 1 – General Information QUIETPACT™ 75D Recreational Vehicle Generator Please record the following information from the generator DATA DECAL or information decal,located below the user control panel. 1. Model Number ____________________ 2. Serial Number _______...
Page 7 - APPLICABILITY; Voltage
Generac ® Power Systems, Inc. 5 Section 1 – General Information QUIETPACT™ 75D Recreational Vehicle Generator 1.2 GENERATOR APPLICABILITY These generators have been designed and manufac-tured for supplying electrical power to recreationalvehicles. DO NOT modify the generator nor use it forany applic...
Page 9 - Section 2 – Operation; GENERATOR CONTROL PANEL; Figure 2.1 – Generator Control Panel; REMOTE
Generac ® Power Systems, Inc. 7 Section 2 – Operation QUIETPACT™ 75D Recreational Vehicle Generator 2.1 GENERATOR CONTROL PANEL The following features are mounted on the generatorcontrol panel (Figure 2.1): Figure 2.1 – Generator Control Panel 2.1.1 HOURMETER This indicates the length of time the en...
Page 10 - THE
8 Generac ® Power Systems, Inc. Section 2 – Operation QUIETPACT™ 75D Recreational Vehicle Generator 2.3.2 ENGINE LUBRICATION Before starting the engine, have the engine crankcaseproperly serviced with the recommended oil. Refer toSection 1.5.3 and Sections 3.1 and 3.2 for oil servic-ing procedures a...
Page 12 - Figure 2.2 – Engine Protective Devices; INFORMATION; AFTER SUBMERSION
10 Generac ® Power Systems, Inc. Section 2 – Operation QUIETPACT™ 75D Recreational Vehicle Generator Figure 2.2 – Engine Protective Devices 2.7.3 OVERSPEED SHUTDOWN A DC control circuit board senses engine speed fromthe frequency of the alternator AC output. Should thealternator output frequency exc...
Page 13 - Section 3 – Maintenance; OR BRUSH; CHECKING THE ENGINE OIL; Figure 3.1 – Oil Maintenance Features; CHANGING THE ENGINE OIL
Generac ® Power Systems, Inc. 11 Section 3 – Maintenance QUIETPACT™ 75D Recreational Vehicle Generator 2.8.4 OPERATION IN HIGH GRASS OR BRUSH Never operate the generator while the vehicle isparked over high grass, weeds, brush, leaves, orother combustible substance. Such materials canignite and burn...
Page 14 - SERVICING THE ENGINE; Figure 3.2 – Engine Air Filter; ARRESTOR
12 Generac ® Power Systems, Inc. Section 3 – Maintenance QUIETPACT™ 75D Recreational Vehicle Generator 8. Screw the new filter on by hand, until its gasket lightly contacts the oil filter adapter. Then, tight-en the filter an additional 3/4 to one turn. 9. Remove the dipstick, and wipe it dry with a...
Page 15 - Figure 3.3 – Spark Arrestor; • Disconnect any charging source prior to connect-
Section 3 – Maintenance QUIETPACT™ 75D Recreational Vehicle Generator Be sure to reinstall the hex pipe cap tightly tothe spark arrestor cleanout pipe. Vibrationcould cause a loose cap to fall out, resulting inhot engine exhaust being drawn through thecentrifugal cooling fan and out beneath theunit....
Page 16 - SYSTEM
14 Generac ® Power Systems, Inc. Do not open or mutilate the battery. Releasedelectrolyte has been known to be harmful tothe skin and eyes, and to be toxic. The electrolyte is a dilute sulfuric acid that isharmful to the skin and eyes. It is electricallyconductive and corrosive. The following proced...
Page 18 - SERVICE SCHEDULE; ATTENTION: It is recommended that all service work
3.13 SERVICE SCHEDULE ATTENTION: It is recommended that all service work be performed by the nearest Generac Authorized Service Dealer. SYSTEM/COMPONENT PROCEDURE FREQUENCY X = Action Inspect Change Clean D = Daily W = Weekly R = Replace/Adjust as Needed M = Monthly Y = Yearly * = To Be Completed by...
Page 19 - ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS
PART II – INSTALLATION INSTRUCTIONS ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS SHOULD ATTEMPT INSTALLATION!! DANGER
Page 20 - NOTICE TO INSTALLER
18 Generac ® Power Systems, Inc. NOTICE TO INSTALLER These Installation Instructions have been published by Generac to aid in the installation of the productsdescribed in this manual. Generac assumes thatinstallation personnel are familiar with the proceduresfor installing such products, or similar ...
Page 23 - Figure 1.2 – Major Features and Dimensions
Generac ® Power Systems, Inc. 21 Figure 1.2 – Major Features and Dimensions Section 1 – General Information QUIETPACT™ 75D Recreational Vehicle Generator Major Features and Dimensions — Drawing No. 0D2650-A [.94" ] 595.0 [23.43" ] 604 [23.78" ] O VER SC REW S 929 [36.57" ] O VER SC R...
Page 24 - LOCATION AND SUPPORT; Figure 2.1 – Typical Suspended Mounting System; Section 2 – Installation
22 Generac ® Power Systems, Inc. 2.1 LOCATION AND SUPPORT 2.1.1 GENERATOR LOCATION The most desirable location for the generator set isbetween the vehicle's main frame members. Many recreational vehicles have been factory-equipped with an area for the generator set. Somemay even have a generator com...
Page 25 - Figure 2.2 – Typical Generator Restraint; COMPARTMENTS; Figure 2.3 – Typical Compartment Construction
Generac ® Power Systems, Inc. 23 2.1.4 GENERATOR RESTRAINT Use four 3/8"-16 hardened steel bolts (Grade 5) to fas-ten the generator to the supporting frame or the sup-port tubing. These bolts must pass through (a) the gen-erator mounting base, (b) the compartment floor (if acompartment is used),...
Page 26 - Figure 2.4 – Types of Lock Seams
24 Generac ® Power Systems, Inc. • Seams and joints of the galvanized steel (whether used as a liner or for the compartment itself) mustbe lapped and mechanically secured. Such seamsmay be manufactured, welded, bolted, riveted, orscrewed. Manufactured lock seams are shown inFigure 2.4. Installer-con...
Page 27 - Figure 2.5 – Typical Noise Abatement; Figure 2.6 – Compartment Floor Cutout
Generac ® Power Systems, Inc. 25 Figure 2.5 – Typical Noise Abatement 2.2.4 COMPARTMENT FLOOR CUTOUTS Provide openings in the generator compartment forthe following items (Figure 2.6): • Engine exhaust and cooling air outlets• Generator cooling air inlet and front service door• Four holes for passag...
Page 28 - COOLING AND VENTILATING AIR; Figure 2.7 – Airflow Through Engine/Generator; Figure 2.8 – Air Inlet in Compartment Door
26 Generac ® Power Systems, Inc. 2.3 COOLING AND VENTILATING AIR It is absolutely essential that an adequate flow of airfor cooling, ventilation, and engine combustion besupplied to the generator set. Without sufficient air-flow, the engine/generator quickly overheats. Suchoverheating can cause seri...
Page 29 - Figure 2.10 – Air Inlet Using Ductwork; FUEL; Figure 2.12 – Generator Fuel System
Generac ® Power Systems, Inc. 27 Figure 2.10 – Air Inlet Using Ductwork Figure 2.11 – Air Inlet in Vehicle Skirt 2.3.3 COMPENSATING FOR RESTRICTIONS Materials, such as, screening, louvers, or expandedmetal, can restrict the free flow of air. Compensate forthis restriction by making the actual air op...
Page 31 - Figure 2.13 – Typical Exhaust System
Generac ® Power Systems, Inc. 29 2.5 EXHAUST SYSTEM The generator exhaust system must be safely andproperly installed. Only approved exhaust systemparts must be used. A properly installed exhaust sys-tem must be vapor-tight, quiet, and completely safe. The generator engine gives off DEADLY carbonmon...
Page 32 - CONNECTIONS; Figure 2.14 – Generator AC Output Leads
30 Generac ® Power Systems, Inc. • Use exhaust system parts recommended by Generac. Using unapproved exhaust mufflers andexhaust system parts is the responsibility of theperson(s) installing such unauthorized parts. • Do not terminate the exhaust system under any opening, window, or vent that can be...
Page 33 - 20 Volts Only — Dual Circuits
Generac ® Power Systems, Inc. 31 2.6.3.1 Generator Coversion to 120 Volts Only — Dual Circuits NOTE: Conversion of a QUIETPACT™ generator from"120/240 volt dual voltage" to "120 volts only -dual circuits" (or vice-versa) requires reroutingwires within the unit enclosure. It is recomm...
Page 34 - Figure 2.17 – Transfer Switch Isolation Method
32 Generac ® Power Systems, Inc. 2.6.4 CONDUIT Route the connections between the generator and thejunction box through approved, flexible conduit. Thefollowing general rules apply: • All wiring, conduit, and interconnections must be installed in compliance with applicable codes,standards, and regula...
Page 35 - INSTALLATION; Figure 2.19 – Connecting Battery Cables; Figure 2.18 – Installation With Isolation Receptacle
Generac ® Power Systems, Inc. 33 2.7 BATTERY INSTALLATION 2.7.1 RECOMMENDED BATTERY Install a battery that meets the following require-ments: • The battery must be a 12-volt, automotive-type storage battery. • Use a battery with minimum ratings of 70 amp- hours and 360 cold-cranking amps. NOTE: If t...
Page 36 - ACCESSORIES; Figure 2.20 – Remote Panel Plug-in Receptacle
34 Generac ® Power Systems, Inc. 2.7.4 BATTERY COMPARTMENT Install the generator battery in its own, vented com-partment. Place the battery compartment away fromany source of heat, sparks, or flame. Provide ventilation openings in the battery compart-ment. The minimum size of openings should be 2squ...
Page 37 - Section 3 – Post-installation Start-up Checks
Generac ® Power Systems, Inc. 35 3.1 POST INSTALLATION TESTS The generator set was factory-tested and adjusted. Itis not necessary to adjust the unit any further, exceptunder special circumstances. Do not make any unnecessary adjustments.Factory settings are correct for most applica-tions. When maki...
Page 38 - CHECKLIST
36 Generac ® Power Systems, Inc. 3.5 INSTALLATION CHECKLIST LOCATION AND SUPPORT ❑ Generator is properly located. ❑ Generator is properly supported. ❑ Generator is properly restrained. GENERATOR COMPARTMENT ❑ Compartment construction is proper. ❑ Holes/Openings are vapor-sealed. ❑ Compartment size i...
Page 39 - Appendix 1 – Troubleshooting; TROUBLESHOOTING GUIDE; PROBLEM
Generac ® Power Systems, Inc. 37 Appendix 1 – Troubleshooting QUIETPACT™ 75D Recreational Vehicle Generator TROUBLESHOOTING GUIDE PROBLEM CAUSE CORRECTION The engine will not crank. 1. System control fuse blown 1. Replace fuse. 2. Loose corroded or defective 2. Tighten, clean, or replace, battery ca...
Page 40 - Appendix 2 – Notes
38 Generac ® Power Systems, Inc. Appendix 2 – Notes QUIETPACT™ 75D Recreational Vehicle Generator
Page 42 - Appendix 3 — Electrical Data
40 Generac ® Power Systems, Inc. Appendix 3 — Electrical Data QUIETPACT™ 75D Recreational Vehicle GeneratorElectrical Schematic – 120/240 VAC Output– Drawing No. 0D2792-A
Page 47 - ITEM
Generac ® Power Systems, Inc. 45 ITEM PART NO. QTY. DESCRIPTION 1 0D2126 1 Base Frame Weldment 2 0D2131 1 Door, Service Rear 3 0C5088 1 Door, Service Front 4 0C5644 4 Slide Latch Flush 5 056326 2 Vinyl Trim -Black 180mm 6 029451 677mm Rubber Tape 1/8 x ½" 7 0C7857 4 Grommet 1/8 x 13/32 8 070936E...
Page 51 - Appendix 4 — Exploded Views and Parts Lists
Generac ® Power Systems, Inc. 49 Appendix 4 — Exploded Views and Parts Lists QUIETPACT™ 75D Recreational Vehicle Generator Intake and Exhaust System – Drawing No. 0F4583 ITEM PART NO. QTY. DESCRIPTION 1 075674 1 EXHAUST GASKET 2 0C7564 1 VINYL CLAMP 1.94 3 0C4880 1 AIR FILTER 4 0F4366 1 HOSE, AIR IN...
Page 65 - Appendix 5 — Notes
Generac ® Power Systems, Inc. 63 Appendix 5 — Notes QUIETPACT™ 75D Recreational Vehicle Generator
Page 66 - Appendix 6 – Warranty; FEDERAL AND CALIFORNIA EMISSIONS CONTROL WARRANTY STATEMENT; YOUR WARRANTY RIGHTS AND OBLIGATIONS; ATTENTION WARRANTY DEPARTMENT
64 Generac ® Power Systems, Inc. Appendix 6 – Warranty QUIETPACT™ 75D Recreational Vehicle Generator FEDERAL AND CALIFORNIA EMISSIONS CONTROL WARRANTY STATEMENT (for non-road Diesel engines rated under 19 kW) YOUR WARRANTY RIGHTS AND OBLIGATIONS The U.S. Environmental Protection Agency (EPA), the Ca...
Page 67 - OBLIGATIONS AND RIGHTS OF THE MANUFACTURER AND OWNER; OBTAINING WARRANTY SERVICE
Generac ® Power Systems, Inc. 65 Appendix 6 – Warranty QUIETPACT™ 75D Recreational Vehicle Generator OBLIGATIONS AND RIGHTS OF THE MANUFACTURER AND OWNER The new model year, class of diesel engine, and emission application determination for your engine are identified on theemission control informati...
Page 68 - GENERAC POWER SYSTEMS’ THREE-YEAR LIMITED WARRANTY
Part No. 0F4474 Revision 0 (04/06/05) Printed in U.S.A. Appendix 6 – Warranty QUIETPACT™ 75D Recreational Vehicle Generator GENERAC POWER SYSTEMS’ THREE-YEAR LIMITED WARRANTY FOR GUARDIAN RECREATIONAL VEHICLE GENERATORS NOTE: ALL UNITS MUST BE INSTALLED BY GENERAC POWER SYSTEMS AUTHORIZED SERVICE FA...