32
Engine installation
Steel and copper piping
Clamp the fuel line. Distance between clamps ap-
prox. 300 mm (12").
When steel and copper pipes are used there must
be a flexible connection (hose) between the pipe and
the engine.
The figure shows a transition from flexible fuel hoses
(1) to steel or copper pipes (2).
Connections
Min. inner diameter: 7.0 mm (0.28")
Male thread : 1/4" NPTF
Volvo Penta part no.: 3825000
Inner diameter
10 mm (3/8")
Outer diameter
10 mm (3/8")
1
2
A
3/4"-16UNF
1/4"-18NPTF
Outer diameter
Required minimum outer diameter for
feed line pipe: 10 mm (3/8")
alt. 12 mm (1/2").
return pipe:
10 mm (3/8")
Fuel pre-filter
Use a fuel pre-filter of correct size to avoid excessive
resistance across the filter. The recommended filtra-
tion is 10 micron (10
m
) .
NOTE! Fuel pre-filters with a glass bowl may not be
installed in boats intended to be CE-marked.
NOTE! Legal requirements may demand fuel shut-off
valve on return line.
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Страница 53: ...53 References to Service Bulletins Group No Date Concerns ...