3304 AND 3306 MARINE ENGINES Caterpillar

Initial 1000 Service Hours or Six Months, Whichever Occurs First

Usage:

Governor and Air-Fuel Ratio Control

Check and Adjust

NOTE: The following initial adjustments on new, rebuilt or remanufactured engines are recommended at the "First 1000 Service Hours or Six Months, Whichever Occurs First."

When an additional 1000 service hours registers on service hour meter or six months interval occurs for a total of 2000 service hours or one year, repeat the adjustment procedures.

Subsequent adjustments should be made at an interval of "Every 2000 Service Hours or One Year, Whichever Occurs First."

See the topics in interval "Every 2000 Service Hours or One Year, Whichever Occurs First," for the adjustment procedures.

Governor

Check set point (1) and low idle rpm.

Air-Fuel Ratio Control

Check setting (2) and have adjusted by an authorized Caterpillar dealer.

Show/hide table

NOTICE

These adjustments are to be made only by an authorized Caterpillar engine dealer or a mechanic that has the correct training.

Caterpillar Information System:

3304 AND 3306 MARINE ENGINES Oil and Filter Change Interval - Every 500 Service Hours or Three Months, Whichever Occurs First

3304 AND 3306 MARINE ENGINES Oil and Filter Change Interval - Every 250 Service Hours or Monthly, Whichever Occurs First

3304 AND 3306 MARINE ENGINES First Oil Change Interval Only - New, Rebuilt or Remanufactured Engines

3304 AND 3306 MARINE ENGINES Every 50 Service Hours or Weekly, Whichever Occurs First

3304 AND 3306 MARINE ENGINES Daily

3304 AND 3306 MARINE ENGINES When Required

3304 AND 3306 MARINE ENGINES Lubrication and Maintenance Chart

3304 AND 3306 MARINE ENGINES Recommended Lubricant Viscosities

3304 AND 3306 MARINE ENGINES Engine Specifications

3304 AND 3306 MARINE ENGINES Refill Capacities - (Approximate)

3304 AND 3306 MARINE ENGINES Coolant, Fuel and Lubricant Specifications

3304 AND 3306 MARINE ENGINES Coolant, Fuel and Lubricant Specifications

3304 AND 3306 MARINE ENGINES Every 1000 Service Hours or Six Months, Whichever Occurs First

3304 AND 3306 MARINE ENGINES Every 2000 Service Hours or One Year Whichever Occurs First

3304 AND 3306 MARINE ENGINES Troubleshooting

3304 AND 3306 MARINE ENGINES Important Reference Numbers

G342C NATURAL GAS ENGINE Foreword

G342C NATURAL GAS ENGINE General

G342C NATURAL GAS ENGINE Safety Precautions

G342C NATURAL GAS ENGINE Periods Of Limited Use

G342C NATURAL GAS ENGINE Initial Adjustments

G342C NATURAL GAS ENGINE Starting

G342C NATURAL GAS ENGINE Stopping

G342C NATURAL GAS ENGINE Attachments