Installing The Impulse Hose - Stihl MS 500i Service Manual

Remove the handlebar, @ 9.2.
N
Remove screw from AV element between tank
N
housing and crankcase, @ 17.2.
Unlock and remove blue connector of sensor from the
N
controller, @ 19.7.
Pull sensor wires out of cable holder on the tank
N
housing.
Pull the impulse hose (4) off the injection pump (1).
N
15
Remove grommet (15) of impulse hose (4) from the
N
guide (arrow) on the tank housing.
Pull out the tank housing.
N
Pull fuel hose (4) off the nipple (16) on the crankcase.
N
20.9

Installing the Impulse Hose

Pull out the tank housing.
N
Position the impulse hose (4) so that its molded lug
N
(arrow) is in line with the recess in the crankcase.
Push the impulse hose (4) onto nipple (16) on the
N
crankcase as far as stop.
MS 500i
16
4
4
4
16
4
Push the tank housing in direction of cylinder.
N
Fit grommet (15) of impulse hose (4) in the guide
N
(arrow) on the tank housing.
4
Push impulse hose (4) onto nipple of injection
N
pump (1) as far as stop so that the molded rib (arrow)
points in direction of cylinder.
Insert and engage blue connector (17) in blue socket
N
on controller.
Position shrink-on tube (18) on wires from blue
N
connector (17) as shown in the illustration.
Use punch-down tool 5910 890 4000 to push shrink-
N
on tube (18) into the cable holder (arrow).
Insert and tighten down screw on AV element
N
between tank housing and crankcase, @ 17.3.
Install the handlebar, @ 9.3.
N
Fit the bracket (6).
N
Insert and tighten down the screw (7) firmly.
N
Install sleeve and throttle body, @ 15.5.
N
Install the filter base, @ 15.3.
N
4
15
4
3
18
17
37