Generac 941-2 - Manual

Generac 941-2

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Table of Contents:

  • Page 3 – SERIES IMPACT 36 PLUS II; TABLE OF CONTENTS; SERVICE
  • Page 5 – COMPUTER; Series Impact 36 Plus II
  • Page 6 – NOTES
  • Page 8 – Figure 5. Alternating Current Sine Wave
  • Page 9 – GENERATOR FUNDAMENTALS; Figure 6. Electrical Units; OHMS; REACTANCE IN AC CIRCUITS; Figure 8. Inductive Reactance
  • Page 13 – Item; UPPER FAN HOUSING
  • Page 15 – MAJOR GENERATOR COMPONENTS
  • Page 20 – TEST ALL STATOR WINDINGS TO GROUND; TEST FOR SHORTS BETWEEN WINDINGS
  • Page 23 – NOMINAL RESISTANCE- POWER PHASE WINDINGS
  • Page 25 – BATTERY CHARGE WINDING RESISTANCE
  • Page 27 – Figure 1. Exploded View of Control Panel
  • Page 29 – Impact Plus Generator
  • Page 30 – EXPLODED VIEW OF SHEET METAL (GASOLINE UNITS)
  • Page 35 – Series Impact 36 Plus; SECTION
  • Page 37 – Figure 1. Intake Stroke
  • Page 38 – RECOMMENDED FUELS; carbon formation in the engine.; RECOMMENDED ENGINE OIL
  • Page 39 – THE UNIT IS NOW READY FOR SERVICE.
  • Page 40 – NOTE 1:- Item 36 Includes valve seats and
  • Page 41 – ITEM QTY DESCRIPTION; Figure 1. Valve Train Components; VALVE COMPONENTS REMOVAL; Figure 2. Removal of Rocker Arm over
  • Page 42 – VALVE SERVICE
  • Page 43 – VALVE TRAIN; VALVE SPRING FREE LENGTH; VALVE COMPONENTS INSTALLATION
  • Page 44 – TIGHTENING TORQUE; ADJUSTING VALVE CLEARANCE
  • Page 45 – VALVE CLEARANCE GV-220 ENGINE; ROCKER ARM COVER INSTALLATION
  • Page 48 – PISTON RINGS
  • Page 50 – CYLINDER SERVICE; STANDARD CYLINDER BORE DIAMETER
  • Page 52 – CAMSHAFT INSPECTION; Figure 4. Points to Check on Camshaft; CRANKSHAFT INSPECTION; • Inspect timing gear teeth for chipping or cracking. If
  • Page 53 – COMPRESSION RELEASE LIFT FOR GV-220 ENGINE; INSTALLING THE CRANKSHAFT
  • Page 57 – Figure 1. Sharing a Fuel Supply Tank; EVAPORATION CONTROL SYSTEMS
  • Page 58 – Figure 2. Typical Gasoline Fuel System
  • Page 61 – FUEL PUMP NOMINAL COIL RESISTANCE
  • Page 63 – Figure 2. Carburetor Sectional View
  • Page 66 – Figure 6. Carburetor Removal
  • Page 67 – Figure 1. Choke Solenoid Parts; OPERATION; Figure 2. Choke Adjustment
  • Page 70 – TESTING THE STEPPER MOTOR
  • Page 75 – Figure 2. Gas Carburetion Diagram; LEAKAGE TESTING
  • Page 77 – LP Gas Regulator; ADJUSTMENTS; Figure 2. LP Gas Regulator; TESTING THE FUEL LOCKOFF SOLENOID
  • Page 78 – Figure 3. Fuel Lockoff Solenoid
  • Page 83 – PUMP TIP CLEARANCE
  • Page 84 – Figure 3. Oil Pump Check Points; CRANKSHAFT OIL SEALS; Figure 4. Crankshaft Oil Seals; PRESSURE RELIEF VALVE; Figure 5. Oil Pressure Relief Valve; FORCE REQUIRED TO COMPRESS; BREATHER ASSEMBLY
  • Page 85 – ENGINE OIL SYSTEM; Figure 6. Breather Assembly; OIL SUMP; CRANKSHAFT BEARING BORE DIAMETER; OIL FILTER SUPPORT; Figure 7. Oil Filter Support
  • Page 87 – Figure 1 — Air Flow Through Engine-Generator; COOLING AIR INLET OPENINGS; Figure 2 — Air Inlet in Compartment Door; • By providing an opening in the vehicle skirt and space
  • Page 88 – COMPENSATING FOR RESTRICTIONS
  • Page 91 – Engine cranking system components
  • Page 92 – HOW IT WORKS
  • Page 93 – Figure 2. Receptacle J2; PIN; — Not
  • Page 94 – CIRCUIT BOARD CONNECTIONS
  • Page 95 – CABLE LENGTH
  • Page 96 – STARTER CONTACTOR
  • Page 97 – ENGINE CRANKING SYSTEM; Figure 3. Starter Contactor; STARTER MOTOR; Figure 4. Starter Motor
  • Page 99 – Figure 1. Ignition Cage Assembly; IGNITION SENSOR; Figure 2. Ignition Sensor; IGNITION MODULE
  • Page 100 – Figure 4. Ignition Module; IGNITION COIL; Figure 5. Ignition Coil; SPARK PLUG; Figure 6. Setting Spark Plug Gap; SUMMARY OF OPERATION; Figure 7. Ignition System Diagram; IGNITION TIMING; Ignition timing is fixed and non-adjustable.; TESTING THE SYSTEM
  • Page 101 – ENGINE IGNITION SYSTEM
  • Page 103 – Figure 1. Engine Protective Circuit
  • Page 104 – ADDITIONAL SHUTDOWN FEATURES
  • Page 105 – Figure 1. Remote Panel Plug-In Receptacle
  • Page 107 – SHOOTING; SECTION TITLE
  • Page 113 – ENGINE DC CONTROL SYSTEM / AC TROUBLESHOOTING
  • Page 114 – PROBLEM 4 - ENGINE STARTS HARD AND RUNS ROUGH
  • Page 118 – PROBLEM 10 - NO AC OUTPUT
  • Page 120 – a. And if priming function does not work, go to; TEST 2- CHECK POWER TO PRIMER SWITCH; Figure 2. Primer Switch; TEST 3- CHECK POWER TO FUEL PUMP; Connect the VOM test leads across the Wire 14A from the
  • Page 126 – TEST 26- TEST OIL PRESSURE SWITCH
  • Page 135 – SPECIFICATIONS & CHARTS
  • Page 136 – CRANKSHAFT END PLAY; MODEL
  • Page 137 – CRANKCASE ASSEMBLY; CRANKCASE COVER ASSEMBLY
  • Page 138 – CRANKSHAFT; CONNECTING ROD ASSEMBLY; PISTON
  • Page 140 – CAMSHAFT ASSEMBLY; OIL PUMP
  • Page 141 – COMPRESSION PRESSURE; TORQUE SPECIFICATIONS
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SERIES IMPACT 36 PLUS II

Models 940-2 & 941-2

SERVICE

MANUAL

Manual Part No. 0D9057

Printed in U.S.A

Revision A - 07/15/03

P. O . B o x 2 9 7 • W h i t e w a t e r , W I • 5 3 1 9 0

Phone: (262) 473-5514

Fax: (262) 472-6505

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Summary

Page 3 - SERIES IMPACT 36 PLUS II; TABLE OF CONTENTS; SERVICE

PART TITLE 1 THE AC GENERATOR 2 ENGINE MECHANICAL 3 GASOLINE FUEL SYSTEM 4 GASEOUS FUEL SYSTEM 5 ENGINE OIL & COOLING SYSTEM 6 ENGINE ELECTRICAL SYSTEM 7 TROUBLESHOOTING 8 SPECIFICATIONS & CHARTS SERIES IMPACT 36 PLUS II TABLE OF CONTENTS SERVICE MANUAL

Page 5 - COMPUTER; Series Impact 36 Plus II

Page 1 PART 1 GENERAL INFORMATION COMPUTER CONTROLLED VARIABLE SPEED RV GENERATORS Series Impact 36 Plus II SECTION TITLE 1.1 GENERATOR FUNDAMENTALS 1.2 GENERATOR MAJOR COMPONENTS 1.3 OPERATIONAL ANALYSIS 1.4 INSULATION RESISTANCE 1.5 COMPONENTS TESTING 1.6 CONTROL PANEL 1.7 SHEET METAL

Page 6 - NOTES

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