SERVICE MANUAL
INTRODUCTION
Introduction
3.
Overfueling due to misadjustment.
4.
Leakage at the...
a.
intake manifold
b.
turbocharger
c.
aneroid pressure line or diaphragm (if applicable)
5.
Defective...
a.
turbocharger
b.
injection pump
6.
Plugged nozzles.
7.
Fuel aneroid misadjustment or failure.
8.
Air in fuel system.
9.
Worn piston rings and/or cylinder sleeves (low compression).
10.
Broken piston rings (high crankcase pressure).
11.
High main hydraulic pressure (low stall speed).
12.
Incorrect engine timing on injection pump advance.
13.
Operator lugging engine.
PROBLEM: EXCESSIVE EXHAUST SMOKE - GRAY
REASON OR CAUSE:
1.
Worn piston rings or cylinder sleeves.
2.
Excessive air cleaner restriction.
3.
Worn valve guides result if BLUE GRAY smoke.
PROBLEM EXCESSIVE EXHAUST SMOKE - WHITE
REASON OR CAUSE:
1.
Overfueling when engine is cold (injection pump stays in excess fuel position).
2.
Incorrect timing.
CGES-185-3
PRINTED IN UNITED STATES OF AMERICA
Page 42