EMAK 63.4 cm3, Руководство по ремонту

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General failures’ analysis
63,4 cm³ chainsaws
Section 1
Section 1
2.a Tighten spark plug. Compression
test
2.b Replace worn or damaged parts.
Compression test
2.a Spark plug looses
2.b Piston ring, cylinder and
piston worn
2. There is no
compression
Section 5
Section 5
Section 5
Section 2
Section 2
Section 2
Section 5
Section 3
Section 3
Section 3
Section 1
Go to
5.a Clean or replace
5.b Adjust the carburetion according
the above
5.c Carburetor inspection
5.d Manifold tightness
5.a Air filter dirty
5.b Wrong L and H setting
5.c Carburetor problems
5.d Manifold problems
5. Wrong carburetion
setting or erratic
throttle response
4.a Clean or replace
4.b Tightness test on fuel system
4.c Carburetor inspection (point 5.c ).
Take off spark plug, rotate the engine,
blow inside cylinder passing through
spark plug hole, dry the spark plug
and restart
4.a Fuel filter or breather
blocked
4.b Fuel system is leaking air
4.c Wet spark plug, flooded
cylinder
4. Fuel does not reach
the carburetor, the
machine stops after 5
minutes
3.a Switch “ON” and restart
3.b Inspect and/or replace
3.c Replace the spark plug
3.a Ignition switch is in “OFF”
position
3.b Ignition system defected
3.c Broken spark plug or
wrong type
3. No spark
1.a Check starter assy or starter rope
replacement
1.b Check thermal group and replace
worn components
1.a Starter assy defect or
broken starter rope
1.b Internal damage
1. The engine does not
turn over
Remedies Causes Symptoms
7) Trouble shooting: ENGINE DOES NOT START