SDMO RL6-1b Manuel D'utilisation Et D'entretien page 73

Checking the fuel level
Ensure that the fuel level in the tank is correct by viewing the level directly through the tank.
If necessary, top up via the filling hole. (1)
1
Checking the refrigerant level
If you add liquid, make sure to maintain the Long Lasting Refrigerant concentration level. Do not top up with
water. This would dilute the Long Lasting Refrigerant and compromise the antifreeze protection.
Warning
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