9. Replacing the boost sensor
pressure rubber piping
• Consult
your local KUBOTA dealer for replacing the
boost-sensor-pressure-rubber-piping.
10. Replacing the EGR cooler hose
• Consult
your local KUBOTA dealer for replacing the
EGR-cooler-hose.
SERVICING AS REQUIRED
1. Checking the amount of
refrigerant gas
WARNING
To avoid personal injury or death:
• Liquid contact with eyes or skin may cause
frostbite.
• In the event of a leakage, wear safety goggles.
Escaping refrigerant can cause severe injuries
to eyes.
• In contact with a flame, R134a refrigerant emits
a toxic gas.
• Do not disconnect any part of the refrigeration
circuit of the air-conditioning system. Consult
your local KUBOTA dealer for assistance and
service of refrigerant.
If the air-conditioner performance is reduced, check the
following points 1.-2.
1.
Air-conditioner condenser is clogged.
2. Air-conditioner belt is loosened.
If there is nothing unusual with the above points, a
shortage of refrigerant is possible. Too short refrigerant
may cause a poor performance of the air-conditioner.
Consult your local KUBOTA dealer for servicing and
replenishment.
2. Draining the water separator in
case warning against water of the
fuel filter
1. If
the error code [E:9120] of the water separator
appears on the meter panel, immediately drain the
water separator according to the detailed procedure
in Draining the water separator on page 90.
IMPORTANT :
• If you don't drain the water separator
immediately after the alarm, the engine may
be seriously damaged.
• Without the water separator drained, the
cleaning efficiency of the DPF (3000 hours)
will be reduced and the DPF longevity will be
shorter than expected.
3. Purging of the fuel system
1. Fill up the machine with fuel.
2.
Turn the starter key to the [RUN] position.
The fuel system will automatically be purged of air
within one minute.
(1) Starter switch (A) STOP
(B)
RUN
(C) START
IMPORTANT :
• If
the purging was insufficient, the engine dies
after starting. In this case repeat step 2. again.
MAINTENANCE BIENNIAL SERVICING
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