Operation Manual

89MS 240, MS 260, MS 260 C
14.4.1 Inlet Needle
– Remove the metering
diaphragm, b 14.4
: 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).
– Remove the spring (2). Inspect
and replace if necessary.
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165RA345 TG
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: 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 (3)
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 (1).
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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,
b 14.4
14.4.2 Fixed Jet
– Remove the metering
diaphragm,
b 14.4
: Unscrew the fixed jet (1) with a
suitable screwdriver.
Take care not to damage the fixed
jet (1).
– Check the fixed jet (1) and
replace if necessary
– Reassemble in the reverse
sequence.
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