Lack engine output -
78
Incorrect injection timing
Incorrect injection pump
-adjustment.
Incorrect injection pressure
Injection nozzle malfunction.
adjustment
Incorrect spray condition
Lack of fuel in tank
Insufficient fuel supply to
Air mixing in injection pump
the injection pump
;
Fuel filter clogged
Overflow valve malfunction
Governor malfunction.
[ ~;~re;-e;;gine control
Deteriorated governor spring
Incorrect valve clearance
Cylinder compression pressure
leakage.
Poor cylinder com-
pression pressure.
I
--+ t:zZZ;; ;Elignment
lnsuff icient air intake
amount
_____c Air cleaner clogging
Such as inferior ventilation.
c
,
t
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