Volvo Penta D3-130A Operator's Manual page 52

Maintenance: Engine general
50
Air filter. Changing
1. Remove the air filter cover.
2. Remove the old air filter.
3. Clean the air filter cover/housing if necessary.
Take care not to allow impurities to enter the engine.
4. Fit the new air filter. The housing must be placed
with the holes down, as shown in the picture.
Exhaust line, sterndrive. Checking
The exhaust line of drive installations must be inspect-
ed every year with respect to corrosion between the
hose and the pipe.
WARNING! Risk of water entering. The exhaust
line must be inspected while the boat is on land.
In case of serious corrosion damage, the pipe
must be repaired or replaced with a new one.
1. Undo the clamps and detach the hose.
2. Check the contact surface. In case of serious corro-
sion damage, the pipe must be repaired or replaced
with a new one.