Publicidad
Man SMR 630-2004-IMP. C
15-07-2004
ENGINE
Trouble
Engine won't start or starts
with difficulty
Engine cuts out easily
Engine noisy
C.6
16:15
Pagina C.6
All manuals and user guides at all-guides.com
TROUBLES AND REMEDIES
Cause
Inadequate compression
1. Piston seizure
2. Con-rod small or big end seized
3. Piston rings worn
4. Cylinder liner worn
5. Low torque cylinder head nuts
6. Head gasket blowing
7. Spark plug loose
8. Incorrect valve play
9. Valve springs weak or seized
10. Valves seized
11. Incorrect decompressor adjustment
No or weak spark
1. Spark plug faulty
2. Spark plug or wet
3. Ignition coil faulty
4. H.T. leads damaged or short circuiting
Fuel not reaching carburettor
1. Fuel tank cap breather blocked
2. Fuel tap blocked
3. Fuel feed pipes blocked
4. Carburettor fuel filter dirty
5. Worn out float valve or, or worn out floats
6. Rocker blocking float valve
Carburettor flooding
1. High fuel level in float bowls
2. Worn out float valve or, or worn out floats in open position
1. Spark plug dirty
2. Electronic control unit faulty
3. Carburettor jets blocked
Piston noise
1. Excessive play between cylinder liner and piston
2. Piston ring or ring seat worn
3. Excessive carbon layers inside the combustion chamber,
or on the piston top
4. Worn rocker arm
5. Excessive valve play
6. Valve springs weak or seized
7. Cam chain worn
8. Incorrect cam chain adjustment
Crankshaf noise
1. Main bearings worn
2. High radial and axial play at con-rod big end
3. Crankshaft gearing damaged
Clutch noise
1. Plates worn
2. Excesive free play between clutch drum and drive plates
Gearbox noise
1. Gears worn
2. Gear splines worn
Remedy
Replace
Replace
Replace
Replace the cylinder
Tighten to correct torque settings
Replace
Tighten
Adjust
Replace
Replace
Adjust
Replace
Clean or dry
Replace
Check
Clean
Clean
Clean
Clean
Replace
Free
Adjust
Replace or free
Clean
Replace
Clean
Replace
Replace
Replace
Adjust
Replace
Replace
Adjust
Replace
Replace
Replace
Replace
Replace
Replace
Replace
N° 8000A3632 (06-04)
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