Yanmar 3TNV82A Service Manual page 363

Troubleshooting Charts
Trouble Symptom Starting Problem
Cause
Incorrect Engine Oil O
Engine Oil System Leakage
Insufficient Delivery Capacity of Trochoid
Pump
Clogged Engine Oil Filter
Defective Pressure Regulating Valve
Insufficient Engine Oil Level
Overfilled Engine Crankcase
TNV DI Service Manual
Poor
Insufficient
Exhaust
Engine Output
Color
Engine Starts
During
But Stops Exhaust Color
Work
Soon.
Exhaust
Smoke
O O
O
Engine Engine
Engine Oil
Surging Coolant
O O O
O O
O
O O
O
O
O
Air Intake
Corrective Action
Use Correct Engine Oil.
Repair.
Check and Repair.
Clean or Replace.
Clean, Adjust or Replace.
Add Correct Engine Oil.
Check Engine Oil
TROUBLESHOOTING
Reference Page
See Engine Oil Specifications on
page 4-12.
See Disassembly of Oil Pump on
page 9-10.
See Disassembly of Oil Pump on
page 9-10.
See Replace Engine Oil and Engine Oil
Filter on page 5-19.
See Disassembly of Oil Pump on
page 9-10.
See Adding Engine Oil on page 4-14.
See Checking Engine Oil on page 4-13.
14-13