Stihl TS 500i - Tank Vent Removal and Installation; Injection Pump; 11.7.1 Manual Fuel Pump

104 TS 500i
11.6.3 Tank vent Removal and
installation
– Remove the air filter, b 11.1
: Pry out the tank vent (1)
Always fit a new tank vent.
Installation
– Use STIHL press fluid to simplify
assembly, b 13
: Examine the bushing (1), pry it
out and replace if necessary
: Install the bushing (1) so that the
rubber lip encloses the hole
completely
: Align the new tank vent (2) so
that the connector (arrow) points
downwards
: Push the new tank vent (2) as far
as possible into the bushing
1307RA207 TG
1
1307RA208 TG
1 2
– Reassemble remaining parts in
reverse order
11.7 Injection pump
11.7.1 Manual fuel pump
After the injection pump has been
removed, replace the fuel hose unit.
First, check if only the manual fuel
pump needs to be replaced.
The manual fuel pump can be
repaired with the fuel hoses still
attached.
– Remove the shroud, b 6.4
– Remove the control unit, b 7.3
: Pull the injection pump (1) from
the guide (arrow)
1307RA209 TG
1
: Remove screws (1)
– The two other screws (2)
guarantee the function preset at
the factory and must therefore
not be loosened or unscrewed
: Remove flange (3), cap (4) and
compression spring (5)
– Examine the individual parts,
replace if necessary
Installation
: Insert the compression spring (1)
into the mount (arrows)
1307RA210 TG
15 4 32
1
2
1307RA211 TG
1