Exhaust System For 4Jh4-Te And 4Jh4-Hte; Mixing Elbow Inspection - Yanmar 3JH4E Service Manual

7. Intake and exhaust system
7.2.2 Exhaust system for 4JH4-TE and
4JH4-HTE
Exhaust gas goes from the exhaust manifold to the
mixing elbow through the turbocharger, and is
discharged from ship along with seawater.
There are two types of mixing elbows, the L-type
and the U-type.

7.2.3 Mixing elbow inspection

(1) Clean dirt and scale out of the gas and
coolant lines.
(2) Repair crack or damage to welds, or
replace.
(3) Inspect the gasket packing and replace
as necessary.
Exhaust manifold
Mixing elbow
Exhaust gas and seawater
246
Turbocharger
010705-00E