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49
Series 4144 Components FC, FS, KM
8.4.2
Inlet Needle
– Remove the metering
diaphragm,
:
Take out the screw (arrow).
:
Pull the inlet control lever (1) with
spindle (2) out of the inlet
needle’s groove.
The small spring under the inlet
control lever may pop out.
:
Remove the inlet needle (1).
296RA240 TG
296RA241 TG
2
1
296RA242 TG
2
1
– Remove the spring (2). Inspect
and replace if necessary.
:
If there is an annular indentation
(arrow) on the sealing cone of the
inlet needle, fit a new inlet
needle.
:
Fit the inlet needle (1).
:
Fit the spring (2) in the bore.
:
Position the inlet control lever (1)
with spindle (2) on the spring’s
seat (arrow) first, then slide the
inlet control lever’s clevis into the
groove in the inlet needle.
533RA309 TG
296RA243 TG
1
2
296RA244 TG
2
1
Make sure the spring locates on the
control lever’s nipple.
– Press the inlet control lever down
and secure it with the screw.
– Check that inlet control lever
moves freely.
– Install the metering diaphragm,
– Reassemble all other parts in the
reverse sequence.
8.4.3
Pump Diaphragm
:
Take out the screw (arrow).
:
Carefully remove the end
cover (1).
545RA193 TG
545RA194 TG
1
Summary of Contents for FS 40
Page 1: ...STIH STIHL Series 4144 Components FC FS KM 2008 02 FS 40 FS 50 FS 56 FC 56 KM 56 ...
Page 79: ...78 Series 4144 Components FC FS KM ...
Page 80: ...79 Series 4144 Components FC FS KM ...
Page 81: ...80 Series 4144 Components FC FS KM ...
Page 82: ...englisch english 0455 545 0123 M7 E8 FST Printed in Germany ...