WASHER 7F0560 - Caterpillar

Introduction
For Specifications with illustrations, make reference to SPECIFICATIONS for 3304B & 3306B GENERATOR SET ENGINE ATTACHMENTS. Form No. SENR2798. If the Specifications in Form SENR2798 are not the same as in the Systems Operation and the Testing and Adjustment, look at the printing date on the back cover of each book. Use the Specifications given in the book with the latest date.Troubleshooting
Troubleshooting can be difficult. On the following pages there is a list of possible problems. To make a repair to a problem, make reference to the cause and correction.This list of problems, causes, and corrections, will only give an indication of where a possible problem can be, and what repairs are needed. Normally, more or other repair work is needed beyond the recommendations in this list. Remember that a problem is not normally caused only by one part, but by the relation of one part with other parts. This list can not give all possible problems and corrections. The serviceman must find the problem and its source, then make the necessary repairs.1. Contactor Switch for Water Temperature Does Not Activate Shutoff Solenoid.2. Contactor Switch for Water Temperature Activates Shutoff Solenoid at Wrong Temperature.3. Contactor Switch for Oil Pressure Fails to Activate Shutoff Solenoid.4. Shutoff Solenoid Fails to Stop Engine.5. Shutoff Solenoid Prevents Engine Start.6. Mechanical Shutoff Fails to Stop Engine Because of Low Oil Pressure7. Mechanical Shutoff Does Not Stop Engine When Coolant Temperature Is Too High.8. Mechanical Shutoff Will Not Let Engine Start.9. Electrical Gauges Give Wrong Readings.10. PSG Governors. a. Engine Speed Does Not Have Stability.b. Vibration at Governor Output Shaft.c. Fuel Control Response When The Engine Is Started Is Not Acceptable.d. Engine Has Slow Response To A Change In Speed Setting Or Load.e. No Output From Governor.f. Engine Will Not Drive Full Rated Load.g. Load Sharing Between Paralleled Units Is Not Correct (One unit on zero droop all others on droop).h. Load Sharing Between Paralleled Units Is Not Correct (all units on droop).11. Automatic Start/Stop Systems.1. CONTACTOR SWITCH FOR WATER TEMPERATURE DOES NOT ACTIVATE SHUTOFF SOLENOID 2. CONTACTOR SWITCH FOR WATER TEMPERATURE ACTIVATES SHUTOFF SOLENOID AT WRONG TEMPERATURE 3. CONTACTOR SWITCH FOR OIL PRESSURE FAILS TO ACTIVATE SHUTOFF SOLENOID 4. SHUTOFF SOLENOID FAILS TO STOP ENGINE 5. SHUTOFF SOLENOID PREVENTS ENGINE START 6. MECHANICAL SHUTOFF FAILS TO STOP ENGINE BECAUSE OF LOW OIL PRESSURE 7. MECHANICAL SHUTOFF DOES NOT STOP ENGINE WHEN COOLANT TEMPERATURE IS TOO HIGH 8. MECHANICAL SHUTOFF WILL NOT LET ENGINE START 9. ELECTRICAL GAUGES GIVE WRONG READINGS 10a. ENGINE SPEED DOES NOT HAVE STABILITY 10b. VIBRATION AT GOVERNOR OUTPUT SHAFT 10c. FUEL CONTROL RESPONSE WHEN THE ENGINE IS STARTED IS NOT ACCEPTABLE 10d. ENGINE HAS SLOW RESPONSE TO A CHANGE IN SPEED SETTING OR LOAD 10e. NO OUTPUT FROM GOVERNOR 10f. ENGINE WILL NOT DRIVE FULL RATED LOAD 10g. LOAD SHARING BETWEEN PARALLELED UNITS IS NOT CORRECT (one unit on zero droop all the others on droop) 10h. LOAD SHARING BETWEEN PARALLELED UNITS IS NOT CORRECT (all units on droop)