Komatsu 37BF50111, Руководство по эксплуатации и техническому обслуживанию

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MAINTENANCE PROCEDURE
195
4.8.8.c CLEANING THE WATER SEPARATOR
WARNING
q
Change the precleaner at the end of work, when the engine has cooled down to 40-45º C.
q
When these operations are carried out, fuel may be spilled; clean the dirty areas immediately, in order to
prevent any risk of slipping or fire.
The water separator can be reached after opening the engine
hood (see "3.5.1 ENGINE HOOD") and after lifting the loader
arm and securing it with the safety lock (see "3.1.1 LOADER
LOCKS").
CLEANING THE WATER SEPARATOR
1 - Close the cock (1).
2 - Loosen the metal ring (2) and remove the cup (3) and the
filtering element.
3 - Clean the inside of the cup and the filter with diesel oil or
oil.
4 - Put back the filter and the cup (3), tighten the metal ring
(2) and open the cock (1).
IMPORTANT
q
When disassembling the water separator, be careful not
to lose the red ring contained in the cup.
q
If the filtering element is clogged or damaged, change it.
BLEEDING THE CIRCUIT
After filling the tank, turn the ignition key to position « » and
wait for approximately 15-20 seconds, in such a way as to
bleed the fuel supply circuit.
IMPORTANT
q
After bleeding the circuit, turn the ignition key to posi-
tion «
» for a few seconds and wait at least 2 minutes
before starting the engine.
q
If the engine starts without problems and then stops or
works irregularly, check if there is air in the circuit; if so,
check the tightness of the fuel filter and of the fuel pump
prefilter.
q
After the fuel has run out, bleed the circuit by proceed-
ing as described above and repeat the operation for at
least 2-3 times.
RWAB0050
RWA01970
RKAB1740
1
3
2
RWA01960
RWA36750
1
2 3