Stihl MS 500i - Injection Pump, Stop Switch; Special Servicing Tools, Servicing Aids; Removing the Injection Pump; Removing the Stop Switch

MS 500i 39
21.1 Special Servicing Tools, Servicing Aids
– Screwdriver – 0000 890 2300 or equivalent
– 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
– Flat nose side cutting pliers
21.2 Removing the Injection Pump
N 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 (1).
N Remove the bracket (2).
N Unlock and remove connector of stop switch (8) from
controller, @ 19.7.
N Take wires of stop switch (8) out of the guides.
N Pull out the injection pump (3) together with the stop
switch (8) and cover (9).
21.3 Removing the Stop Switch
N Preparations, @ 3.1.
N Remove the injection pump, @ 21.2.
N Unlock and remove the cover (9).
N Unlock the retaining tabs on the stop switch (8) and
pull the stop switch out of the bracket (6).
21.4 Removing Cap and Spring from Injection Pump
N Preparations, @ 3.1.
N Remove the injection pump (3), @ 21.2.
The injection pump (3) must be replaced if the screws with
lock pins are loosened, unscrewed or tightened.
Do not loosen, unscrew or tighten the screws with lock
pins.
N Take out the screws (7).
N Remove the bracket (6).
N Remove the cap (5).
N Remove the spring (4).
21.5 Removing the Injection Pump
N Preparations, @ 3.1.
N Remove the injection pump (3), @ 21.2.
21 Injection Pump, Stop Switch
1 P4x12 (1.2 Nm / 11 lbf. in.)
2
3
4
5
7
6
8
9
0000-GXX-5612-A0
12
10
11