Komatsu SK820-5 turbo, Operation & Maintenance Manual

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MAINTENANCE PROCEDURE
175
4.8.1.c DRAINING THE FUEL TANK
WARNING
q
When draining the fuel tank, avoid spilling fuel, since
this may cause fires.
q
If some fuel is accidentally spilled, clean the dirty area
immediately, in order to prevent it from getting slippery
and to avoid fires.
This operation serves to let all the impurities and the conden-
sate flow out of the tank.
Proceed as follows:
1 - Raise the engine hood (see "3.5.1 ENGINE HOOD").
2 - Lift the loader arm completely and engage the safety lock
(see "3.1.1 LOADER LOCKS").
3 - Rotate the lever (1) anticlockwise, until only clean fuel
flows out of the pipe connected to the drain cock of the
tank.
4 - Rotate the lever clockwise (1) to interrupt the fuel flow and
close the engine hood.
IMPORTANT
q
The tank must be drained before starting the engine,
with temperatures exceeding 0ºC; when the temperature
is below 0ºC, the tank must be drained at the end of
work or in any case with the machine at operating tem-
perature, to prevent the condensate from freezing.
q
The condensate and the impurities that may have accu-
mulated inside the tank must be eliminated before re-
fuelling.
RWAA13360
RKAB1580
1
RKAB1590
1