MAINTENANCE 10
AXH1157-UK (ENG) L3500 L4700 F7000 [FPT S3A] 111
Oil change
To change the oil in the tank it is necessary to:
• Prepare the vehicle in the maintenance position.
• Make sure that all cylinders and jacks of the
vehicle are retracted (e.g. telescopic boom fully
retracted and lowered, attachment holding plate
tilted down as much as possible to avoid contact
with chassis or tires). In this way all the oil of the
hydraulic circuit will be sent in the tank.
• Place a container under the drain plug (located
under the tank).
• Remove the filling cap “2” (fig. 150980-1”) located
on the oil tank.
• Remove the drain plug “4” (fig. 150980-2”) to
drain the oil.
• Put back the drain plug “4” (fig. 150980-2).
• Fill the tank with the oil indicated
• Check the level through the indicator “3” (fig.
150980-1) after starting the engine and operated
all hydraulic controls to remove air bubbles, if
any.
• If necessary, top up the level.
10.11.2 - Hydraulic oil intake filter:
Replacement
The internal hydraulic oil intake filters “1” (fig.
150980-1) are located inside the hydraulic oil tank; to
replace them, completely empty the tank. It is
therefore advisable to carry out the replacement of
the intake filters in conjunction with the oil change.
To replace the intake filter, carry out the following
operations:
• Prepare the vehicle in the maintenance position.
• Make sure that all cylinders and jacks of the
vehicle are retracted (e.g. telescopic boom fully
retracted and lowered, attachment holding plate
tilted down as much as possible to avoid contact
with chassis or tires). In this way all the oil of the
hydraulic circuit will be sent in the tank.
• Place a container under the drain plug (located
under the tank).
• Remove the filling cap “2” (fig. 150980-1).
• Remove the drain plug to let the oil drain “1” (fig.
150980-2).
• After completely draining the oil, remove the
flange “2” (fig. 150980-1) to access to the intake
filters.
• Unscrew the intake filter "1" (fig. 150980-1)
located inside the tank with an adjustable
spanner.
• Install the new filter and tighten with a wrench.
• Put back the drain plug “1” (fig. 150980-2).
• Fill the tank with the oil indicated.
• Check the level through the indicator “2” (fig.
150980-1) after starting the engine and operated
all hydraulic controls to remove air bubbles, if
any.
• If necessary, top up the level.
10.11.3 - Hydraulic oil return filter:
Figure: 150738-1
To replace the hydraulic oil filter (fig. 150738-1) carry
out the following operations:
• Prepare the vehicle in the maintenance position.
• Turn on the vehicle and lift the boom just enough
to insert the safety rod on the lifting cylinder rod.
• Turn off the engine and remove the ignition key,
place a sign in the cab showing "Maintenance in
progress".
• Allow engine and hydraulic oil to cool down.
• Insert the "boom support" safety rod on the rod
of the lifting cylinder, apply appropriate safety
supports to the telescopic boom.
• Place a container under the oil filter "1" to collect
the oil that may spill during the change.
• Replace the filter "1", lightly oil the gasket and
tighten by hand for 3/4 of a turn.
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