Pramac E3750, User Manual

Page: 14 / 47

English
DOCPRA0030
14
GENERAL MAINTENANCE
OIL SELECTION
Proper oil selection as well as proper oil level is critical to achieve maximum engine life. Use high detergent, premium quality
motor oil certified for service class CC or CD that should be designated on the container. SAE 20W-40 is recommended for
general, all temperature use. Use the table below to select the proper oil for the temperature in your area.
Viscosity -30C/-22F -20C/-4F -10C/14F 0C/32F 10C/50F 20C/68F 30C/86F 40C/104F
Single 10W
20W
20
30
40
Multi 20W-40,20W-50
15W-40, 15W-50
10W-40
10W-30
DAILY INSPECTION
1. Recoil Starter Cord
2. Engine Oil Level
3. Check for Engine Oil or Fuel Leaks
4. Inspect Spark Plug Cables
5. Inspect Cooling System for Cleanliness
6. Listen for Abnormal Noise
7. Look for Abnormal Vibration
FAULT FINDING GUIDE
SYMPTOMS PROBABLE CAUSES CORRECTION
ENGINE WILL NOT START 1. Oil level too low.
2. No fuel or valve(s) turned off.
3. Start switch turned Off.
4. Blocked or leaking fuel system.
5. Clogged air filter.
6. Genset under load at start-up. 1. Add oil.
2. Add fuel and/or turn valve(s) on.
3. Turn switch On.
4. Repair fuel system.
5. Clean or replace air filter.
6. Disconnect load.
NO POWER OUTPUT 1. Circuit breaker tripped.
2. GFCI receptacle tripped.
3. Faulty circuit breaker.
4. Faulty receptacle.
5. Faulty capacitor in alternator.
6. Faulty diodes in alternator.
7. Failure in alternator windings. 1. Reset circuit breaker.
2. Reset GFCI receptacle.
3. Replace circuit breaker.
4. Replace receptacle.
5. Replace capacitor.
6. Replace diodes.
7. Repair or replace alternator.
NOISY MACHINE 1. Damaged bearing.
2. Damaged exhaust system.
3. Loose or rattling parts. 1. Replace bearing.
2. Repair or replace.
3. Repair loose or rattling parts.
OVERHEATING 1. Ventilation openings blocked.
2. Overload.
3. Ambient temperature too high. 1. Clear ventilation openings.
2. Verify load levels.
3. Provide better ventilation for
cooling.
CIRCUIT BREAKER TRIPS 1. Overloaded circuit.
2. Faulty equipment or cable.
3. Faulty circuit breaker. 1. Reduce load.
2. Check, repair or replace.
3. Replace circuit breaker.