Mitsubishi Heavy Industries BS3G Service Manual

ADJUSTMENTS, BENCH TEST, PERFORMANCE TESTS
1. ADJUSTMENTS
1.1 Valve clearance
Inspect and . adjust the valve .clearance
when the engine is cold or when it is
warm
in whole.
Unit: mm (in.)
Item
Assembly standard
Valve clearance
Intake
(cold)
0.25 (0.0098)
Exhaust
(1) Inspecting valve clearance
32
(a) Inspect the valve clearance by the
firing order, by turning the
crankshaft by the specified crank
angle in normal direction at a time
to bring the piston to its top dead
center on compression stroke.
No. of cylinders Firing order
Crank angle
4
\-3-4-2
180·
(b) The top dead center on compression
stroke of the piston is identified
by the timing mark "0" (on the
crankshaft pulley) being aligned
with
the pointer on the gear case.
With the piston so located, either
intake and exhaust valve rocker
arms are not being pushed up by
their pushrods.
(c)
Insert a feeler gauge into between
~he rocker arm and valve cap, and
Inspect the valve clearance.
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Mitsubishi Heavy Industries BS3G Specifications

General

Brand	Mitsubishi Heavy Industries
Model	BS3G
Category	Engine
Language	English