Yanmar 3TNV82A Service Manual page 367

Troubleshooting Charts
Trouble Symptom Starting Problem
Cause
Clogged Air Filter
Engine Used at High Temperatures or at High
Altitude
Clogged Exhaust Pipe
Starting Motor Defect O
Alternator Defect O
Open-Circuit in Wiring O
Battery Voltage Drop O
TNV DI Service Manual
Poor
Insufficient
Exhaust
Engine Output
Color
Engine Starts
During
But Stops Exhaust Color
Work
Soon.
Exhaust
Smoke
O O O
O O
O O
Engine
Engine Oil
Surging
O
O
O
Engine
Air Intake
Coolant
Corrective Action
O Clean Air Filter.
O O Study Output Drop and Load Matching.
O Clean Exhaust Pipe.
Repair or Replace Stater Motor.
Repair or Replace Alternator.
Repair Open Circuit.
Inspect and Change the Battery.
TROUBLESHOOTING
Reference Page
See Clean Air Cleaner Element on
page 5-29.
See Starter Motor on page 11-10.
See Removal of Alternator on
page 12-12.
See Check Battery on page 5-24.
14-17