Marinediesel 5L V8, Руководство пользователя, Страница: 161 / 248

159
NOTE: Items underlined are the most likely cause of the condition.
BLACK SMOKE UNDER LOAD – HOT (Continued)
PROBLEM CORRECTION/FURTHER DIAGNOSIS
ƒ
Operation during extreme ambient
temperature (hot/cold)
ƒ
Outside air intake or air filter restricted
ƒ
Air leakage or restriction in supercharger
inlet duct
ƒ
Worn or damaged supercharger
ƒ
Air leakage or restriction in air inlet duct or
intake manifold
ƒ
Incorrect injection pump static timing
ƒ
Incorrect fuel supply to injection pump
ƒ
Incorrect fuel return from injection pump
ƒ
Incorrect automatic advance mechanism
operation
ƒ
Leaking fuel injection lines
ƒ
Faulty fuel injection nozzles
ƒ
Review normal operating procedures.
ƒ
Disassemble air filter to inspect element;
with air filter disassembled, check outside
air intake.
ƒ
Consult your dealer service manager.
ƒ
Consult your dealer service manager.
ƒ
Check air inlet duct bolt and clamp
tightness; Check intake manifold bolt/stud
tightness; Disassemble and inspect air inlet
duct; with air inlet duct removed, check
intake manifold runners.
ƒ
Consult your dealer service manager.
ƒ
Consult your dealer service manager.
ƒ
Check fuel return line on top of injector
pump for restriction or debris.
ƒ
Consult your dealer service manager.
ƒ
Tighten, repair or replace leaking lines.
ƒ
Consult your dealer service manager.
BLACK SMOKE AT IDLE
PROBLEM CORRECTION/FURTHER DIAGNOSIS
ƒ
Outside air intake or air filter restricted
ƒ
Air leakage or restriction in supercharger
inlet air duct
ƒ
Disassemble air filter to inspect element.
With filter disassembled, check outside air
intake.
ƒ
Consult your dealer service manager.
NOTE: Items underlined are the most likely cause of the condition.