Important
Check the sealing rings regularly.
Replace the sealing rings if hardening or damage is noted
1 Upper Housing
2 Diaphragm Seat
3 Diaphragm
4 Polyurethane upper element
5 Metal wool lower eleme
6 Oil level reference mark
7 Reservoir bowl
8 Outer seal ring
9 Inner seal ring
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.