Stihl 4137 Series, Руководство пользователя, Страница: 34 / 58

33 Series 4137 Components - HT
– Wash the foam filter element in a
standard commercial solvent-
based degreasant containing no
chlorinated or halogenated
hydrocarbons and dry,
b
12.
– Replace the felt filter. As a
temporary measure, knock the
filter out on the palm of your hand
or blow clear with compressed
air. Do not wash.
– Replace any damaged parts.
Install in the reverse sequence.
– Fit the foam element in the filter
cover.
:
Fit the felt element in the filter
housing ("INSIDE" must face
engine).
VA
936RA158
Innen
INSIDE
FACE INTERNE
:
Make sure the lug on the filter
housing (arrow) engages the slot
in the filter cover.
Install all other parts in the reverse
sequence.
VA
936RA159
If you suspect a fault in the fuel
system,
b
4.3
In the case of problems with the
carburetor or fuel supply system,
also check and clean or replace the
tank vent,
b
9.5.
The carburetor can be tested for
leaks with the carburetor and
crankcase tester 1106 850 2905.
– Remove the shroud,
b
5.1
– Disconnect the fuel hose from the
carburetor’s elbow connector
(arrow).
VA
936RA160
:
Push the fuel hose (1)
1110 141 8600 onto the
nipple (2) 0000 855 9200.
VA
143RA172
2 1
:
Push the fuel hose with nipple
onto the carburetor’s elbow
connector (arrow).
VA
936RA161
:
Connect the tester's pressure
hose to the nipple (arrow).
VA
936RA162
:
Close the vent screw (1) on the
rubber bulb (2) and pump air into
the carburetor until the pressure
gauge (3) shows a reading of
approx. 0.8 bar.
VA
936RA163
1
2
3
9.2 Carburetor
9.2.1 Leakage Test