Echo CS-2511WES Service Manual

FUEL SYSTEM
35
CS-2511WES
251Ws
4-10Inspectingcrankcasepulsepassage
1. Remove carburetor.
2. Drop a little oil in pulse hole (A).
3. Remove spark plug and pull starter grip several
times. Oil should spit back from the hole (A).
4. If not, remove collar (B) and inspect whether
pulse passage of collar (B), intake bellows (C) and
cylinder are clogged. Remove obstruction or re-
place with new one as required.
4-11Inspectingmeteringleverheight
1. Remove carburetor.
2. Remove four screws (A), metering diaphragm
cover (B), metering diaphragm (C) and gasket (D).
3. Inspect metering lever (E) height by Metering
lever gauge 897563-19830 (F).
Metering lever height: 1.65 mm (0.065 in) lower
than diaphragm seat (G).
4. If necessary, gently bend metering lever (E) up
or down to set metering lever to proper position.
NOTE: When metering lever is:
Too high → Fuel ooding occurs
Too low → Fuel starvation / overheating occurs
1.65
0.4
1.35
1.5
1.65
0.4
1.35
1.5
F
E
G
A
A
C
D
B
1.65mm
diaphragm seat (G)
A
B
C

Echo CS-2511WES Specifications

General

Brand	Echo
Model	CS-2511WES
Category	Chainsaw
Language	English