Stihl 4180 Series Manual page 31

Multi-part system
: Carefully pry the tab (1) of the
connector upwards; take care not
to damage the fuel tank.
3
: Pull the connector (1) with hoses
(2 and 3), molded hose (4) and
pickup body out of the tank.
All systems
2 1
: Pull the pickup body (1) off the
molded hose (2).
– Replace damaged parts. Make
sure the new fuel supply system
matches the machine's fuel tank.
30
Reassemble in the reverse
sequence.
– Attach pickup body with molded
hose to connector.
1
2
1
4
5
: Coat O-ring (1) and bead of
connector or grommet on molded
hose (one-part system) with
press fluid, b 12
One-part system
2
: Mark on fuel hose grommet must
line up with mark on tank.
1
1
Multi-part system
: Center the connector in the fuel
tank's opening and turn it so that
the tab (1) fits in the cutout (2).
: Push home the connector as far
as stop – it must snap into
position.
All systems
Check that hoses are properly
connected:
4
2
3
1
5
: Suction hose (1) from hose
connector with choke symbol to
fuel intake stub (2).
: Hose (3) from connector (4) to
return stub (5).
Series 4180 Powerhead
1
2