52 – English
Repair instructions
Crankshaft bearings – replacement
CS 2147, CS 2149, CS 2152
If the crankshaft bearings are to be replaced, tap
them out gently using drift 502 50 30-18.
The new bearings must be shrunk-fi t into the
crankcase using a hot air gun.
Cleaning and inspection
Clean and inspect all parts carefully.
Sealing ring – replacement
Remove the sealing ring from the magnet side us-
ing tool 502 50 55-01.
Sealing ring replacement - drive side
Remove the oil pump.
1
Pry up the sealing ring from the bearing by using a
small screwdriver or the like.
Note. The sealing ring can be replaced without the
need of removing the bearing.
2
Press the new sealing ring into the bearing.
Crankshaft complete - dismantling
CS 2141, CS 2145, CS 2150
1
Remove the following:
• chain and bar
• clutch cover
• cylinder cover
• starter assembly*
• ignition system*
• generator
• centrifugal clutch*
• throttle pushrod
• carburettor*
• silencer*
• piston and cylinder*
• fuel tank*
* See special instructions.
2
Lift the crankshaft completely out of the crankcase.
CS 2150:
Unbolt the four bolts from underneath and lift off
the spacer.
Lift the crankshaft completely out of the crankcase.
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