Fuel Hoses, Impulse Hose; Tools, Servicing Aids; Removing Fuel Suction Hose Outside The Tank; Installing Fuel Suction Hose Outside The Tank - Stihl MS 500i Service Manual

20 Fuel Hoses, Impulse Hose

11
12
20.1

Tools, Servicing Aids

Socket, T20x125 – 0812 542 2041 or equivalent
–
Torque wrench – 5910 890 0302 or equivalent
–
Screwdriver, T20 – 5910 890 2301 or equivalent
–
Punch-down tool – 5910 890 4000
–
STIHL OH 723 press fluid – 0781 957 9000
–
20.2

Removing Fuel Suction Hose Outside the Tank

WARNING
The fuel suction hose (3) may be damaged during
removal. Fuel may escape.
Install a new fuel suction hose (3).
Preparations, @ 3.1.
N
Remove the filter cover
N
Remove the air filter.
N
Remove the filter base, @ 15.2.
N
Remove the throttle body and sleeve, @ 15.4.
N
Take out the screw (7).
N
Remove the bracket (6).
N
Pull the fuel hose (3) off the injection pump (1).
N
Pull the fuel hose (3) with nipple (2) out of the fuel
N
hose in the tank(13).
Pull nipple (2) out of the fuel suction hose (3).
N
MS 500i
8
9
10
13
7
P4x12 (1.2 Nm / 11 lbf. in.)
4
6
5
20.3

Installing Fuel Suction Hose Outside the Tank

WARNING
The fuel suction hose (3) may be damaged during
removal.
Install a new fuel suction hose (3).
Coat both ends of nipple (2) with press fluid.
N
Push the nipple (2) into the fuel suction hose (3) as far
N
as stop.
Push the nipple (7) with fuel suction hose (3) into the
N
fuel suction hose in the tank (13) as far as stop.
Push the fuel suction hose (3) onto nipple of injection
N
pump (1) as far as stop.
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
Install the air filter.
N
Fit the filter cover.
N
20.4

Removing Fuel Hose

WARNING
The fuel hose (5) may be damaged during removal. Fuel
may escape.
Install a new fuel hose (5).
3
2
1
35