GF 1840 Notice D'utilisation Et D'entretien page 39

- Close drain valve 5 and vent screw 3.
- Fasten crew cap 6 to hose nipple on
drain valve 5 till hand tight.
- Slowly open stop valve upstream of
fine filter.
- Slowly open the stop valve(s) down
stream from the fine filter.
O-rings may be greased only
with silicone grease.
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