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FOCS Workshop Manual_cod. 1.5302.351_7° ed_ rev. 06
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Dry type air filter
Danger - Attention
Never clean the filtering element with highly flammable
solvents Danger of explosion!
Important
Blow compressed air crossways over the external part and
inside the cartridge at a pressure no greater than 5 atm or if
necessary knock the front of the cartridge repeatedly against a
flat surface.
Components: 1 Cover
2 Filter element
3 Support
Air filter specifications:
Filtration level = 13÷14 µm.
Filtration area = 4470 cm² per LDW 502, 602, 903, 702, 1003
Filtration area = 7150 cm² per LDW 1204,1404
 See page 24 for periodic maintenance details.
Air restriction switch
Components:
1 Reset buttione
2 .25" Tab connection
Note: The indicator is calibrated at 600÷650 mm of water column
for LDW 502, 602, 702, 903, 1003, 1204, 1404; and 370÷420
mm of water column for LDW 1204/T.
Oil bath air cleaner ( on request )
Important
Check the sealing rings regularly.
Replace the sealing rings if hardening or damage is noted
1 Upper Housing 6 Oil level reference mark
2 Diaphragm Seat 7 Reservoir bowl
3 Diaphragm 8 Outer seal ring
4 Polyurethane upper element 9 Inner seal ring
5 Metal wool lower eleme
Note: Carefully clean the reservoir bowl and both elements with
clean diesel fuel. Blow the lower element dry with
compressed air. Dry the upper element by squeezing out
excess diesel fuel, then drying with suitable cloths.
Fill the reservoir with clean engine oil to the reference mark.
 See page 24 for periodic maintenance and replacement details.
Disassembly / Reassembly