Leakage Test - Stihl FS 120 Manual

5/20/2018
Remove the gasket.
•
Reassemble in the reverse
sequence.
- Use a new gasket.
- Tighten down nuts on filter
housing to 3.5 Nm (2.6 lbf.ft).
- Tighten down screw on filter hou-
sing to 6.0 Nm (4.4 lbf.ft).
FS 120, 200, 300, 350, 400, 450, FR 350, 450
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STIHL FS 350 Service manual.pdf - slidepdf.com
8.2.3

Leakage Test

The carburetor can be tested for
leaks with the carburetor and
crankcase tester 1106 850 2905.
A
V
9
6
1
A
R
0
5
2
FS 400/450, FR 450
- Remove the shroud
Pull fuel hose off carburetor's
•
elbow connector.
2
FS 120...350, FR 350
- Remove the carburetor -
8.2.1.
Fit fuel hose (1) 1110 141 8600
•
on nipple (2) 0000 855 9200.
Push the fuel hose with nipple
•
onto the carburetor elbow
connector.
A
V
0
7
1
A
R
0
5
2
•
Push the nipple into the tester's
- see 4.1. pressure hose.
1
A
V
2
7
1
A
R
3
4
1
Close the vent screw (1) on the
•
see rubber bulb (2) and pump air into
the carburetor until the pressure
gauge (3) shows a reading of
approx. 0.8 bar (11.5 psi).
A
V
1
7
1
A
R
0
5
2
A
V
2
7
1
A
R
0
5
2
3
2
A
V
3
7
1
A
R
1
0
5
2
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