C-5 Turret rotation slewing ring
gear - check reduction gear oil
level
1 Retract and lift the telescopic boom
completely. Rotate the turret for better
access to the reduction gear.
2 Check the hydraulic fluid level through the
inspection window 1. The level is correct
when it overflows.
3 If necessary, top up with oil of the right
strength up to the filler hole 2.
When checking the oil level, also check the
bolts fixing the reduction gear to the chassis.
In case of faults (rusted, slackened or missing
bolts), contact your dealer.
The machines use four filters for hydraulic fluid:
one filter placed on the inside of the hydraulic
tank has the combined function for oil at the
suction as well as return, and the second one
is wire mesh filter. The others are PLFA series
filters used in the pressure line of hydraulic
system. One is placed on the back side of the
hydraulic tank, and the other is placed on the
end of the third boom.
Suction filter
1 Stabilise the machine to facilitate
accessibility to the filter in question: clean
the filter housing and surrounding areas to
prevent dirt from entering the circuit.
Unscrew the cap.
2 Replacing the filter cartridge does not
involve draining the tank: the filter
cartridge is provided with a special plant
closure system. When it is being removed,
the oil present inside the filter normally
flows out
3 Remove the filter cartridge and dispose of
according to the regulatory standards in
force. Insert a new filter cartridge of the
same type.
4 Refit the filter cover. Start up the engine
and check for leaks.
5 Check for a drop in the oil level through
the window present on the tank: if
required, top up with the quantity
necessary to reach the correct level.
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