Volvo Penta TAMD71B Instruction Manual page 44

Installing new inserts
1. Place a container beneath the fuel filters. Re-
move the cover (4) and lift out the insert by
rotating it.
2. Drain off any water or contaminants through
the drain plug (5).
3. Install new filter insert and fill container with
clean diesel oil. Fit the cover with a new gas-
ket and tighten it by hand.
Note! Moisten the gasket with diesel oil be-
fore installation. Cleanliness! The fuel in the
system must not become contaminated.
4. Double filter: Replace the other filter insert
in the same way.
5. Dry off any diesel fuel spilt on the heat
shield.
6. Double filter: Both filter units on-line (turn
the knob (5) up to the vertical position).
7. Open the fuel cocks and check that there are
no leaks.
The inserts can be cleaned and replaced while
the engine is running.
9.7.3 Switchable fine fuel filters
(Replacing while engine is running)
1. Place a container beneath the fuel filters.
Clean the filter mounting carefully.
2. Turn lever (2) for the valve in the filter cover
in its right end position.
3. Unscrew the left fuel filter and discard it. If
necessary, use special tool to remove.
4. Screw on the new filter by hand until the gas-
ket comes into contact with the filter mount-
ing. Then tighten it a further half turn by
hand.
5. Open left vent screw (1) on the filter mount-
ing. Move lever (2) vertically (operating posi-
tion). Close the vent screw when no more air
bubbles are visible in the fuel.
6. Lever in its left end position and replace the
right fuel filter in the same way.
42 AB Volvo Penta / Diesel Engine TAMD71B
Fig. 9.11 Double pre-filters
4. Cover
5. Drain plug
Fig. 9.12 Replacing the switchable fine fuel filters
1. Vent screw for left and right filters
2. Valve knob (normal operating position)
4
5