Generac 37kW NG, 40kW LP

24 Generac®Power Systems, Inc.

Section 7 - Electrical Data

QUIETSOURCE

™

40kW Liquid-cooled Generators

Wiring Diagram — Engine — Drawing No. 0E8115-A

Contents

Main INTRODUCTION READ THIS MANUAL THOROUGHLY www.generac.com OPERATION AND MAINTENANCE HOW TO OBTAIN SERVICE Page GENERAL HAZARDS WARNING: !! WARNING: ELECTRICAL HAZARDS FIRE HAZARDS EXPLOSION HAZARDS 1.1 GENERATOR 1.2 TRANSFER SWITCH Figure 1.2 - Main Circuit Breaker 1.3 AUTOMATIC SYSTEM OPERATION 1.4 GENERATOR AC CONNECTION SYSTEMS 1.6 GENERATOR FUEL SYSTEM 1.7 ENGINE PROTECTIVE DEVICES Figure 1.3 - Engine Protective Devices 1.7.1 LOW OIL PRESSURE SWITCH Figure 1.4 - Low Oil Pressure Switch 1.8 UNPACKING 1.8.1 UNPACKING PRECAUTIONS 1.8.2 INSPECTION 1.9 LIFTING THE GENERATOR 1.10 SPECIFICATIONS 1.10.1 GENER ATOR SPECIFICATIONS 1.10.2 ENGIN E SPECIFICATIONS 1.11 FUEL CONSUMPTION 1.12 RECONFIGURING THE FUEL SYSTEM 1.13 TORQUE SPECIFICATIONS 1.14 ENGINE OIL RECOMMENDATIONS 1.15 COOLANT RECOMMENDATIONS 1.16 BEFORE INSTALLATION 2.1 STANDBY GENERATOR INSTALLATION 2.2 GENERATOR LOCATION 2.3 GENERATOR MOUNTING AND SUPPORT 2.4 BASIC STANDBY ELECTRIC SYSTEM Figure 2.1 Basic Standby Electric System 2.5 EMERGENCY CIRCUIT ISOLATION METHOD G OU G 2.6 TOTAL CIRCUIT ISOLATION METHOD 2.10 BATTERY INSTALLATION 2.10.1 VENTED BATTERIES 2.11 PREPARATION BEFORE START-UP 2.11.1 PR IOR TO INITIAL START-UP 2.11.2 TRANSF ER SWITCH 2.11.3 FU EL SYSTEM 2.11.4 GENER ATOR SET LUBRICATION 3.2 CONTROL CONSOLE COMPONENTS 3.2.1 AUTO/OFF/MANUAL SWITCH 3.2.2 FAULT INDICATOR LED 3.2.3 15 AMP FUSE 3.2.4 4.0 AMP INLINE FUSE 3.3 MANUAL TRANSFER AND START-UP 3.4 ENGINE GOVERNOR ADJUSTMENTS Figure 3.2 Engine Governor Adjustment 3.5 RETRANSFER AND SHUTDOWN 3.6 AUTOMATIC OPERATION 4.1 MAINTENANCE PERFORMED BY AUTHORIZED SERVICE FACILITIES A. EVERY THREE MONTHS B. ONCE EVERY SIX MONTHS C. ONCE ANNUALLY D. FIRST 100 OPERATING HOURS 4.4 CHECKING FLUID LEVELS 4.4.1 CHECK ENGINE OIL Figure 4.1 - Oil Dipstick and Oil Fill Cap 4.4.2 BATTERY FLUID 4.4.3 ENGINE COOLANT Oil Filter Figure 4.2 - Oil Filter 4.5.11 CHANGING TH E ENGINE AIR CLEANER 4.5.12 SPARK PLUGS Figure 4.3 Setting the Spark Plug Gap 4.6 MISCELLANEOUS MAINTENANCE 4.6.1 CLEANING THE GENERATOR 4.6.2 BATTERY 4.6.3 BATTERY MAINTENANCE 4.6.4 BATTERY REPLACEMENT 4.7 SCHEDULED MAINTENANCE Service Maintenance Interval Information: Section 4 Maintenance Maintenance Level 1 Level 2 Level 3 Level 4 Tasks Section 4 Maintenance Maintenance Level 1 Level 2 Level 3 Level 4 Tasks TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Section 10 Warranty WARRANTY SCHEDULE