Yanmar 4LHA-STP User Manual

Chapter 4 Intake and Exhaust System
3. Intake Manifold
3. Intake Manifold
i 4LHA Serie
3-1 Inspection
(1) Make sure that air flows through smoothly and clean
out any dirt. Replace if it is excessively corroded,
cracked or otherwise damaged.
(2) Inspect the gasket packings and replace if damaged.
(3) On models equipped with an air heater between the
manifold and coupling, inspect the nickel-chrome wires
for breakage, damaged contacts, etc.,
Cylinder head
Intake manifold
4-3

Yanmar 4LHA-STP Specifications

General

Number of Cylinders	4
Fuel System	Direct Injection
Engine Type	4-Stroke Vertical Water-Cooled Diesel Engine
Displacement	3.455 L
Bore x Stroke	100 mm x 110 mm
Aspiration	Turbocharged