GEAR (49 TEETH) 9H1918 - Caterpillar

General
Proper engine operation and maintenance are essential to long engine life and maximum performance. The essentials for proper operation and normal periodic maintenance are outlined in this guide. However, your Caterpillar dealer is available for troubleshooting and/or repairs when required.Before starting the engine, familiarize yourself with these procedures. Even though your engine may not be equipped with the exact attachment illustrated, the operating procedures will be similar.This guide contains information for Caterpillar Statically Regulated Controlled Rectifier (SRCR) and SR 4 generators. Caterpillar SR 4 refers to the brushless type generators. Study the guide carefully and apply the principles to your particular installation.Safety Precautions
Safety is basically common sense. There are standard safety rules but each situation has its own peculiarities which cannot always be covered by rules. Therefore, your experience and common sense will be your best guides to safety. Watch for hazards. Correct deficiencies promptly.You can do something about safety. Lack of attention to safety can result in: accidents, personal injury, reduction of efficiency and worst of all-loss of life.Use the following safety precautions as a general guide to safe operation.1. Observe NO SMOKING signs.2. Do not wear loose clothing around machinery.3. Be sure the engine room is properly ventilated.4. Do not smoke around batteries. Hydrogen gas generated by charging batteries is explosive. Keep batteries in a well ventilated area.5. All electrical equipment must be grounded according to local building codes.6. Remove tools and electrical cords from the engine before starting.7. All fans, shafts, pulleys, etc. must have guards.8. Check all connections periodically for tightness and insulation.9. Never adjust or repair a machine while in operation.10. Never operate a diesel engine with the governor linkage disconnected. Human reactions are not fast enough to control the fuel rack.11. Do not touch the heat sink on the generator regulator when the generator is running. It is electrically "hot".
HEAT SINK (SR 4)
HEAT SINK (SRCR)12. Always disconnect and tape the ground battery lead before working on the electrical system.13. Be sure the remote starting system is inoperative when the engine is being worked on. Disconnect the starter from the start switch.14. Always disconnect the engine starter circuit when working on the generator.15. Keep the engine room and floor area clean.16. Store oily rags in metal covered containers.17. Never store flammable liquids near the engine.18. Insulate all connections and disconnected wires.19. Do not use carbon tetrachloride fire extinguishers. Fumes are toxic and the liquid has a deteriorating effect on insulation.20. Do not work on electrically "hot" equipment.
REMOVE SHIPPING SCREWS BEFORE STARTING (SRCR ONLY)Identification
Voltage Setting
Generators are set at the factory for the voltage and type of operation specified. Voltage control initial adjustment instructions are located inside the generator exciter and regulator access cover. These instructions are for adjusting the generator output to nameplate ratings. For further adjustments, see page 5 for single and parallel unit operation.Generator Serial Number
The engine