36
SAFIR 5L
OPERATION AND ATTENDANCE MANUAL
PG 01-31
4.8.6.
Inspection of the Oil Filter
Inspection is performed according to the following procedures:
(The description is related to Fig. 14)
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Remove the binding wire, screw off the filter body (2) from the main body (1).
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Remove the filter element (3)
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Wash the filter element in clean petrol by a soft brush and purge by compressed air.
NOTE:
It is recommended to rinse the element in ultrasonic washer filled with clean petrol or aviation
petroleum.
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Lubricate the packing rings (4) and (5) with APU operating oil.
If the packing rings are defective, it is permitted to use rings from the set of replacement parts for the device
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Assemble the cleaner in reverse sequence and secure it with binding wire..
WARNING:
It is necessary to take care, so that the element and the internal area of the devices would not get
soiled during the handling of the device.
4.8.7.
Cleaning of the Oil Tank and Renewal of Filling
The oil renewal is performed so as to remove the soil that got into the oil loop during operation.
(The description is related to Fig.15)
Procedure:
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Dismount the plug of the filling opening (1) and full the magnetic plug (2).
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Drain off the oil.
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Remove the screen from the filler and rinse it in clean petrol.
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Dismount oil filter (4) on output of oil tank – see instruction and clean in petrol.
Dismount of oil filter
Procedure: (description for picture 10)
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Dismount screw of turned junction 22, during screw out must be fitted rotation of filter 20 ;
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To screw out screw of turned junction 23;
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Suction pipe turned around screw axe of turned junction 23 that could be dismounted oil filter;
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Dismount oil filter 20;
(The description is related to Fig.15)
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Wipe dirt from the plug magnet (2) by a wiping cloth. In case of detecting a huge quantity of magnetic foreign
matter, stop further operation of the actuating unit and request service from the Manufacturer.
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In case of detecting dirt at the bottom of the tank, rinse the tank with aviation petroleum and remove the foreign
matter.
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Dismount gasket 16,6x2,5, 10,6x1,9 and 5,6x1,9 in case of damaged, change;
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Mount back the magnetic plug (2), oil filter (4) ) (secure by banding wire) and the screen to the filler neck.
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Fill the tank with clean oil up to the "MAX" mark.
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Close the tank by plug .
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Recheck the leak-tightness of the tank after the First Start and fill it up with oil.
ATENTION:
During manipulation secure pollution of oil filter and internal tank.