Table of Contents
Advertisement
TURBOCHARGER
TROUBLESHOOTING
The following troubleshooting procedures apply to problems identified as turbocharger related. Consider all
other troubleshooting possibilities before cleaning or removing the turbocharger.
Excessive Exhaust Smoke
Clogged air cleaner element
Blocked air intake port
Leak from a joint in intake line
1. Compressor impeller dirty
2. Deposit of impurities in oil sticking on the turbine side seal
portion to make turbine revolution heavy
3.
Sticking bearing:
3a.
Insufficient lubrication or clogged lubrication piping
3b.
Excessively high oil temperature
3c.
Unbalanced rotating part
3d.
Insufficient warming up or sudden stop from loaded
operation (no-load operation)
4.
Contact or breakdown of turbine wheel or blower vane:
4a.
Excessive revolution
4b.
Excessive exhaust temperature rise
4c.
Foreign matter within turbocharger
4d.
Worn bearing
4e.
Incorrect assembly of turbocharger
Exhaust system gas leak prior to the turbocharger. Condition
will decrease turbocharger revolutions.
Deformed or clogged exhaust pipe. Condition will decrease
turbocharger revolutions.
10-6
Cause
Cause
Cause
Corrective action
Clean or replace the air cleaner element
Correct the condition
Correct the condition
Corrective action
1. Wash the impeller blades.
2. Repair the turbocharger. Send to a qualified repair facility.
3a.
Repair turbocharger. Send to qualified repair facility.
3b.
Inspect the lubricating oil line for problem. Correct the
condition and replace lubricating oil.
3c.
Repair the turbocharger. Send to a qualified repair
facility.
3d.
Improper operation of the machine. Refer to the
Operation Manual.
4a.
Inspection and repair of each engine part
4b.
Inspection and repair of each engine part
4c.
Clean the air cleaner and engine compartment. Repair
the turbocharger. Send to a qualified repair facility.
4d.
Repair the turbocharger. Send to a qualified repair
facility.
4e.
Repair the turbocharger. Send to a qualified repair
facility.
Corrective action
Inspect the exhaust system for leaks. Correct the condition.
Correct the condition.
TNV DI Service Manual
Troubleshooting
Advertisement
Chapters
Table of Contents
Troubleshooting
