Removing And Installing; Manual Fuel Pump - Stihl 4180 Series Manual

6.2.2

Removing and Installing

– Remove the air filter, b 6.1
: Pull the fuel hoses (1 and 2) off
the elbow connectors.
: Disconnect throttle cable nipple
(1) from slotted pin (2) on the
throttle lever.
: Pull the impulse hose (1) off the
metering diaphragm.
Series 4180 Powerhead
2
1
: Pull off the carburetor.
2
1
2
: Remove the gasket (1).
: Disconnect the cable (2).
If spacer flange shows signs of
damage or cracks, install a new
one,
b 7.10
Reassemble in the reverse
sequence.
1
6.2.3

Manual Fuel Pump

1
– Remove the shroud, b 5.7.
– Leakage test, b 6.2.1
: Take out the screws (1).
– Remove end cover together with
rubber pump bulb.
1
: Remove rubber bulb from the end
cover.
21