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 generator by GeneracPower Systems, Inc. This model is designed andmanufactured to supply electrical power for recre-ational vehicles. READ THIS MANUAL THOROUGHLY If any portion of this manualis not understood, con-tact the near...
Page 3 - Table of Contents; Part I – Owner’s Manual
Table of Contents IMPACT-36 plus II Recreational Vehicle Generator Generac ® Power Systems, Inc. 1 Part I – Owner’s Manual Introduction ....................................................Inside Front Cover Read This Manual Thoroughly ............................................IFCContents ............
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; REFERENCE NUMBER IDENTIFICATION
4 Generac ® Power Systems, Inc. Section 1 – General Information IMPACT-36 plus II Recreational Vehicle Generator IMPACT 36 plus II Recreational Vehicle Generator 1.1 GENERATOR IDENTIFICATION Please record the following information from the generator DATA DECAL or information decal,located below the ...
Page 8 - GENERATOR APPLICABILITY; Figure 1.1 — Typical Control Panel
6 Generac ® Power Systems, Inc. Section 1 – General Information IMPACT-36 plus II Recreational Vehicle Generator 1.2 GENERATOR APPLICABILITY These generators have been designed and manufac-tured for supplying electrical power for recreationalvehicles. Do not modify the generator or use it for anyapp...
Page 9 - Section 2 – Operation; ENGINE PROTECTIVE DEVICES; SHUTDOWN; BEFORE STARTING THE ENGINE
Generac ® Power Systems, Inc. 7 Section 2 – Operation IMPACT-36 plus II Recreational Vehicle Generator 1.4.5 HOUR METER Indicates the time the engine-generator has operated,in hours and tenths of hours. Use the hourmeteralong with the periodic maintenance schedule for thegenerator set. 1.5 ENGINE PR...
Page 10 - STARTING THE GENERATOR; STOPPING THE GENERATOR
8 Generac ® Power Systems, Inc. Section 2 – Operation IMPACT-36 plus II Recreational Vehicle Generator 2.1.4 COOLING AND VENTILATING AIR Air inlet and outlet openings in the generator com-partment must be open and unobstructed for contin-ued proper operation. Without sufficient cooling andventilatin...
Page 11 - APPLYING LOADS TO GENERATOR; LOAD
Generac ® Power Systems, Inc. 9 Section 2 – Operation IMPACT-36 plus II Recreational Vehicle Generator 2.4 APPLYING LOADS TO GENERATOR When applying electrical loads to the generator,observe these guidelines: • Before applying electrical loads, let the generator stabilize and warm up for a minute or...
Page 12 - Section 3 – Maintenance; MAINTENANCE; Figure 3.1 — Oil Dipstick and Fill Tube; CHANGE ENGINE OIL; Figure 3.2 — Oil Drain Plug and Engine Oil Filter
10 Generac ® Power Systems, Inc. Section 3 – Maintenance IMPACT-36 plus II Recreational Vehicle Generator 3.1 MAINTENANCE This section includes information about simplemaintenance which includes the following tasks: • Checking engine oil level.• Changing engine oil.• Changing oil filter.• Air cleane...
Page 13 - ENGINE AIR CLEANER; Figure 3.3 — Engine Air Cleaner Assembly; CLEAN AIR INTAKE SCREEN; Figure 3.4 — Clean Air Intake Screen; ENGINE SPARK PLUG; Figure 3.5 — Setting Gap on Spark Plug; INVERTER; Figure 3.7 — Inverter Warning Label; CLEANING THE GENERATOR
Generac ® Power Systems, Inc. 11 Section 3 – Maintenance IMPACT-36 plus II Recreational Vehicle Generator 3.5 ENGINE AIR CLEANER Paper Filter: Once every 25 operating hours or once each year (whichever comes first), clean or replacethe paper filter (Figure 3.3). Follow the steps on page12. Figure 3....
Page 14 - SERVICE AND ADJUSTMENTS; Figure 3.8 — Adjusting Valve Clearance
12 Generac ® Power Systems, Inc. Section 3 – Maintenance IMPACT-36 plus II Recreational Vehicle Generator Do NOT use a forceful spray of water to cleanthe generator. Water will enter the generatorinterior and cause problems, and may alsocontaminate the generator fuel system. 3.10 BATTERY All lead-ac...
Page 15 - Figure 3.9 — Tightening Jam Nut; MAJOR SERVICE MANUAL
Generac ® Power Systems, Inc. 13 Section 3 – Maintenance IMPACT-36 plus II Recreational Vehicle Generator 2. When valve clearance is correct, hold the pivot ball stud with the allen wrench and tighten therocker arm jam nut with a crows foot. Tighten thejam nut to 65-85 inch-pounds torque. After tigh...
Page 16 - Section 4 – Notes
14 Generac ® Power Systems, Inc. Section 4 – Notes IMPACT-36 plus II Recreational Vehicle Generator
Page 17 - ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS
PART II – INSTALLATION INSTRUCTIONS ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS SHOULD ATTEMPT INSTALLATION!! DANGER
Page 18 - NOTICE TO INSTALLER
16 Generac ® Power Systems, Inc. Safety Rules IMPACT-36 plus II Recreational Vehicle Generator 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 familia...
Page 20 - BOOKLETS
18 Generac ® Power Systems, Inc. 1.1 PURPOSE AND SCOPE OF THE MANUAL These Installation Instructions have been prepared especially for the purpose of familiarizing installersand owners of the applicable equipment with theproduct's installation requirements. Give seriousconsideration to all informati...
Page 21 - Section 2 – Installation; LOCATION AND SUPPORT; Figure 2.1 —Typical Horizontal Support Frame
Generac ® Power Systems, Inc. 19 Section 2 – Installation IMPACT-36 plus II Recreational Vehicle Generator 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 However,this is seldom possible. Most units must b...
Page 22 - Figure 2.3 — Typical Generator Restraint; GENERATOR COMPARTMENTS; Figure 2.4 — Types of Lock Seams
20 Generac ® Power Systems, Inc. Section 2 – Installation IMPACT-36 plus II Recreational Vehicle Generator 2.1.4 GENERATOR RESTRAINT Use four 5/16"-18 hardened steel bolts (Grade 5) tofasten the generator to the supporting frame or thesupport tubing. These bolts must pass through (a)the generato...
Page 23 - Figure 2.5 — Provide Clearance Around
Generac ® Power Systems, Inc. 21 Section 2 – Installation IMPACT-36 plus II Recreational Vehicle Generator 2.2.1 COMPARTMENT SIZE Plan the compartment size carefully. Provide a mini-mum of at least 1 inch (2” recommended) of clear-ance between the generator and compartment wallsand 1 inch (2” recomm...
Page 25 - Figure 2.8 — Typical Noise Abatement; COOLING AND VENTILATING AIR; Generator
Generac ® Power Systems, Inc. 23 Section 2 – Installation IMPACT-36 plus II Recreational Vehicle Generator 2.2.5 ACOUSTICS If excessive noise levels should become a problem,the installer may wish to consider the following: • Using special sound insulating materials.• Construction of a special noise ...
Page 26 - Figure 2.10 — Air Inlet in Compartment Door; Figure 2.11 — Suspended Mount Inlet Door; Figure 2.13 — Air Inlet in Vehicle Skirt
24 Generac ® Power Systems, Inc. Section 2 – Installation IMPACT-36 plus II Recreational Vehicle Generator 2.3.2 COOLING AIR INLET OPENINGS Provide three air inlet openings, whether the genera-tor is housed in a conventional compartment or not.Two of the openings should be 10 square inches andlocate...
Page 27 - PROPANE GAS FUEL SYSTEM; SYSTEM; Figure 2.15 — Diagram of LP Gas System
Generac ® Power Systems, Inc. 25 Section 2 – Installation IMPACT-36 plus II Recreational Vehicle Generator 2.3.3 COMPENSATING FOR RESTRICTIONS Such materials as screening, louvers, or expandedmetal can restrict the free flow of air. Compensate forthis restriction by making the actual air opening pro...
Page 28 - Figure 2.16 — Propane Gas Carburetion Diagram
26 Generac ® Power Systems, Inc. Section 2 – Installation IMPACT-36 plus II Recreational Vehicle Generator 2.4.2 SOME IMPORTANT CONSIDERATIONS When installing an LP gas system, consider seriouslythe following items: • All fittings, lines, hoses and clamps must be tight and free of leaks. Apply a pip...
Page 29 - EXHAUST SYSTEM
Generac ® Power Systems, Inc. 27 Section 2 – Installation IMPACT-36 plus II Recreational Vehicle Generator • The regulator must be sensitive to venturi throat pressure changes throughout the operating range. • The regulator must be properly adjusted so it will stop the flow of gas when the engine is...
Page 30 - Figure 2.17 — Exhaust System; ELECTRICAL CONNECTIONS
28 Generac ® Power Systems, Inc. Section 2 – Installation IMPACT-36 plus II Recreational Vehicle Generator Failure to provide and maintain a spark arrestor maybe in violation of the law. If this generator is used onany forest covered, brush covered, or grass coveredunimproved land, provide a spark a...
Page 31 - Figure 2.19 — Inverter J Box for AC Output; SOURCES
Generac ® Power Systems, Inc. 29 Section 2 – Installation IMPACT-36 plus II Recreational Vehicle Generator • Wiring must be of adequate size, with approved insulative qualities, and properly supported. • Conduit and wire openings into generator com- partment (if used) must be vapor-sealed, to pre-ve...
Page 33 - BATTERY INSTALLATION; RECOMMENDED BATTERY; BATTERY CABLES; Figure 2.22 — Generator to Inverter Connection
Generac ® Power Systems, Inc. 31 Section 2 – Installation IMPACT-36 plus II Recreational Vehicle Generator 2.6.6 SENSING HARNESS A sensing harness has been provided with the gener-ator to connect to the inverter (Figure 2.22). It is 12feet long, however, it is also available in a 24 footlength: Mode...
Page 34 - BATTERY CABLE CONNECTIONS; Figure 2.23 — Connecting Battery Cables; BATTERY COMPARTMENT; OPTIONAL ACCESSORIES; Figure 2.24 — Remote Panel Plug-In Receptacle; CABLE LENGTH
32 Generac ® Power Systems, Inc. * For warm weather, use No. 2 cable up to 20 feet. 2.7.3 BATTERY CABLE CONNECTIONS 1. Connect the battery cable from the battery post or terminal indicated by a POSITIVE, POS or (+) tothe large lug on the starter contactor as indicatedin Figure 2.23. 2. Connect the b...
Page 35 - POST INSTALLATION TESTS; Section 3 – Post-installation Start-up Checks
Generac ® Power Systems, Inc. 33 3.1 POST INSTALLATION TESTS The air cooled Impact-36 plus II generator set wasfactory tested and adjusted using gasoline as fuel.Theair cooled Impact-34 plus II generator set was factorytested and adjusted using LP gas as fuel. It is notrequired to adjust the unit an...
Page 36 - INSTALLATION CHECKLIST
34 Generac ® Power Systems, Inc. Section 3 – Post-installation Start-up Checks IMPACT-36 plus II Recreational Vehicle Generator 3.5 INSTALLATION CHECKLIST LOCATION AND SUPPORT ❑ Generator is properly located. ❑ Generator is properly supported. ❑ Generator is properly restrained. GENERATOR COMPARTMEN...
Page 37 - Section 4 – Troubleshooting; TROUBLESHOOTING GUIDE; PROBLEM
Generac ® Power Systems, Inc. 35 Section 4 – Troubleshooting IMPACT-36 plus II Recreational Vehicle Generator 4.1 TROUBLESHOOTING GUIDE PROBLEM CAUSE CORRECTION Engine won't crank. 1. Fuse is blown. 1. Replace 15 amp fuse. 2. Loose corroded or defective 2. Tighten, clean or replace battery cables. a...
Page 38 - Section 5 — Electrical Data
36 Generac ® Power Systems, Inc. Section 5 — Electrical Data IMPACT-36 plus II Recreational Vehicle GeneratorWiring Diagram and Schematic – Drawing No. 0D4947-B
Page 40 - Section 6 — Exploded Views and Parts Lists
38 Generac ® Power Systems, Inc. 36 6 44 47 8 35 49 27 4 10 3 28 22 2 9 13 2 11 21 14 40 9 15 1 19 19 17 14 16 46 23 8 9 5 41 9 20 41 31 38 25 43 27 26 7 12 31 42 22 37 22 10 30 20 48 33 34 45 24 51 50 Section 6 — Exploded Views and Parts Lists IMPACT-36 plus II Recreational Vehicle GeneratorControl...
Page 41 - ITEM
Generac ® Power Systems, Inc. 39 ITEM PART NO. QTY. DESCRIPTION 1 091526 7 M5-0.8 X 12MM PHILLIPS PAN HD. MACH. SCR. 2 020093 1 BOX, CONTROL TOP 3 0E7556 1 BOX, CONTROL PANEL 4 075477 1 SCREW PPHM M5-0.8 X 20 5 051716 1 M5-0.8 HEX NUT 6 074908 8 TAPTITE M5- .8 X 10MM 7 023484M 1 SNAP BUSHING 8 0A859...
Page 49 - Section 7 — Installation Diagram
Section 7 — Installation Diagram IMPACT-36 plus II Recreational Vehicle Generator Major Features and Dimensions – Drawing No. 0F1119 Generac ® Power Systems, Inc. 47
Page 50 - Section 8 – Warranty; CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENT; YOUR WARRANTY RIGHTS AND OBLIGATIONS; ATTENTION WARRANTY DEPARTMENT
48 Generac ® Power Systems, Inc. Section 8 – Warranty IMPACT-36 plus II Recreational Vehicle Generator CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board (CARB) and the United States Environmental Protection Agency (EPA)...
Page 51 - EMISSION CONTROL SYSTEM WARRANTY; EMISSION RELATED PARTS INCLUDE THE FOLLOWING:
Generac ® Power Systems, Inc. 49 Section 8 – Warranty IMPACT-36 plus II Recreational Vehicle Generator EMISSION CONTROL SYSTEM WARRANTY Emission Control System Warranty (ECS Warranty) for 1997 and later model year engines: (a) Applicability: This warranty shall apply to 1997 and later model year eng...
Page 52 - GENERAC POWER SYSTEMS’ THREE-YEAR LIMITED WARRANTY
Part No. 0F1117 Revision B (11/15/04) Printed in U.S.A. Section 8 – Warranty IMPACT-36 plus II 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 ...