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Komatsu Galeo PC14R-2 Manual

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MAINTENANCE PROCEDURES
190
4.9.5.c CHANGING THE FUEL FILTER CARTRIDGE
WARNING
q Change the filtering element after work, when the engine has cooled down to 40÷45°C.
q During these operations some fuel may be spilled; clean the dirty areas immediately, in order to prevent
any risk of slipping or fire.
q Oils, filters, the coolant and the battery are considered special waste and must be collected and
disposed of according to the regulations in force.
FUEL FILTER
1. Open the engine hood.
(For details, see "3.2.5 ENGINE HOOD").
2. Turn the valve (1) of the filter to the closed position (A).
3. Using a filter wrench, loosen the metal ring of the filter and
remove the casing (2).
4. Clean the head of the filter holder and the inside of the
casing, install a new filter and fill the casing with fuel.
5. Lubricate the casing seal, install it on the filter holder and
tighten the metal ring until it touches the seal.
6. Give the metal ring a further 2/3 turn.
IMPORTANT
• If the casing is tightened excessively, the seal may be
damaged and cause fuel leakages. Fuel leakages may also
be due to insufficient tightening. Therefore, it is advisable
to fix the casing by tightening the metal ring correctly.
BLEEDING THE FUEL CIRCUIT
WARNING
q The engine may start during the bleeding operations; make
sure that there is no one near the machine.
1. After filling the fuel tank, make sure that the valve (1) of the
filter is in open position (B).
3. Turn the ignition key to position ON and wait approximately
15-20 seconds, in such a way as to allow the fuel system to
be automatically bled.
3. Turn the ignition key to position START and start the engine.
IMPORTANT
q If the engine starts regularly and then stops or functions
irregularly, check if there is air in the circuit; in this case,
check the tightness of the fuel filter and of the fuel pump
prefilter.
q When all the fuel in the tank has run out, bleed the circuit
by proceeding as described above and repeat the
operation at least twice.
RKA14340
A
1
2
B
RYA17290
RYA17360
… 192 …


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