Checking Fuel Tightness Of Nozzle Valve Seat; Checking Shape Of Fume Across Nozzle Tip - Kubota D1102-B Workshop Manual

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Checking Fuel·Tightness of Nozzle Valve Seat
1 ) ) Appl y pressu re 980.6 k Pa. {10 kgf /cm
n.) lower than the open i ng pressu re.
2 ) Af ter keepi ng the nozzle u nder the specif ied pressu re for
10 seconds, check to see that f uel does not lea k from the
nozzle val ve seat.
3 ) I f the val ve seat shou l d lea k f uel , replace the nozzl e piece.
980.6 kPa. (10 kgf./cm
(t

Checking Shape of Fume across Nozzle Tip

1) Attach the nozzle to a nozzle tester and shoot it i n the ai r.
Check the shape of the f u me.
2) I f the shape is not accepta ble, repl ace the nozzle pi ece.
1 i , l •
1 . .
1
i·
1
1
I
,· I
{a)Good {b)Bad
C 01 9 F033
56
2
142.2 l b./sq.i
,
Reference val ue
2
,
pressu re, the valve seat
KiSC issued 09, 2007 A