(6)
Washing
the Turbocharger
Blower
When
engine speed seems sluggish or the
exhaust color poor, the blades of the turbocharg-
er
blower may be dirty. Wash the blower in the
following manner.
©Have
ready
blower
wash
(liquid
detergent),
fresh
water,
and a
small
pitcher.
Blower
Wash
(4L)
Parts
Code :
974500-00400
©Remove the precleaner.
©Put the clutch in neutral and run the engine
at high speed (2500~3000rpm).
©Slowly pour approximately 50cc of blower
wash
into the turbocharger suction inlet over a
period of about 10
seconds.
l©After about 3 minutes, pour in approximately
50cc
of fresh water in the same manner over a
period of about 10
seconds.
©After under load operating the engine for about
10 minutes, check the boost pressure and
power output. If there is no improvement
after washing the blower, repeat the washing
process
several times.
©Reattach the precleaner. If the precleaner
is
excessively dirty, wash
with
detergent and
dry before reattaching. If the precleaner is
damaged,
replace it.
If there is still no improvement consult your
local
Yanmar dealer.
r
[NOTICEj
—
Do
not pour in a large amount of
blower wash at one time (pour it in
gradually) as this can damage the
blower blades and get water
hammer in the combustion chamber
leading
to accidents.
Blower
wash
Turbocharger
Air
inlet
(7)
Inspection
and
Adjustment
of
Intake/Exhaust
Valve
Clearance (1st
Time)
Inspection and adjustment must be made to correct opening/closing timing lags of the intake/
exhaust valves which might arise due to initial parts wear. This inspection requires specialized
knowledge and techniques. Consult your Yanmar dear or distributor.
(8)
Inspection
and
Adjustment
of Fuel
Injection
Valve
(1st
Time)
Inspection and adjustment are necessary to obtain optimal fuel injection to ensure the good
engine performance. This inspection requires
specialized
knowledge and techniques. Consult
your Yanmar dealer, or distributor.
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