![background image](http://html1.mh-extra.com/html/stihl/ts-700-ts-800/ts-700-ts-800_service-manual_1379632090.webp)
89
TS 700, TS 800
Pressure is equalized via the tank
vent. A negative pressure must not
build up inside the tank. The tank
vent must be replaced if this is not
the case.
– Clean the area around the tank
vent.
– Replace the tank vent or tank if
12.6.2 or
:
Connect the carburetor and
crankcase tester 1106 850 2905
(1) to the elbow connector
(arrow).
– Pump the rubber bulb until the
reading on the pressure gauge
shows an excess pressure of
1
376RA364 TG
0.5 bar. If this pressure remains
constant for at least 20 seconds,
the tank and tank vent are
airtight. If the pressure drops, the
leak must be located and the
faulty part replaced.
– Reassemble parts in reverse
order.
:
Prise the tank vent (1) out of the
grommet on the tank housing
with a suitable tool.
– Prise the rubber grommet off the
tank vent with a suitable tool.
1
376RA161 TG
:
Press the rubber grommet (1)
into the hole in the tank housing
until the groove in the grommet is
flush with the hole and the outer
rubber flange lies flat on the tank
housing.
1
376RA162 TG
:
Press the tank vent (1) into the
grommet as far as possible.
1
376RA163 TG
:
Use a suitable tool to prise off
both tank vent connectors (1).
1
376RA164 TG
:
Draw the tank vent (1) out of the
two holes in the tank housing.
1
376RA165 TG
:
Check tank vent hose (1) and
ventilation insert (2) and replace
if necessary.
A new tank vent is supplied
complete with ventilation insert.
1
2
376RA166 TG
12.6.2 Removal / installation of
the tank vent