Generac Power Systems 6.8L

COLD WEATHER KIT

For cold climates, optional cold weather kit (part num-

ber 0F6148A) is recommended. The kit includes:

• Battery Warmer

• 4” Junction Box with hardware

• 700 Cold Cranking Amp Battery

• 6 qt. pack 5W-30 synthetic oil (engine)

• 1 qt. 75W90 synthetic gear oil (gear drive)

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Figure 1 — Interconnections

6-2

Standby Generator Sets

Specifications

GenSpec009 Rev. C 11/05

Contents

Main OWNER'S MANUAL Table of Contents SECTION PAGE SAFETY RULES ................................................ 1-1 GENERAL HAZARDS WARNING: WARNING: Page INTRODUCTION READ THIS MANUAL THOROUGHLY www.generac.com IDENTIFICATION RECORD DATA LABEL M Q T 1 0 0 5 4 A N S N A Generator Model and Serial Number Identification Code ENGINE PROTECTIVE DEVICES COOLANT TEMPERATURE SENSING LOW COOLANT LEVEL OIL PRESSURE SENSING OVERCRANK SHUTDOWN FUEL SYSTEM FUEL REQUIREMENTS NATURAL GAS FUEL SYSTEM PROPANE VAPOR WITHDRAWAL FUEL SYSTEM LP FUEL SYSTEM SPECIFICATIONS GENERATOR ENGINE COOLING SYSTEM FUEL SYSTEM Page 5.4L & 6.8L IGNITION DESCRIPTION IGNITION POWER-UP INPUT ("56 LINE INPUT") IGNITION ENABLE ("14 LINE INPUT") IGNITION SHUTDOWN ON LOSS OF CRANK OR CAM SIGNALS DIAGNOSTIC BLINK PATTERNS (RED LED LOCATED ON THE IGNITION CONTROL BOARD) GENERATOR AC LEAD CONNECTIONS FOUR-LEAD, SINGLE-PHASE STATOR Figure 7.1 Four-lead, Single-phase Stator ALTERNATOR POWER WINDING CONNECTIONS 3-PHASE ALTERNATORS MISCELLANEOUS MAINTENANCE CLEANING THE GENERATOR Maintenance BATTERY BATTERY MAINTENANCE SERVICE SCHEDULE 30 KW - 150 KW STANDBY GAS ENGINE DRIVEN GENERATOR SETS Service Maintenance Interval Information: Page Page Page TROUBLESHOOTING GUIDE PROBLEM CAUSE CORRECTION Troubleshooting Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Warranty GENERAC POWER SYSTEMS STANDARD LIMITED WARRANTY FOR COMMERCIAL PRODUCT 50kW AND ABOVE WARRANTY SCHEDULE Guidelines: THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING: