12 Series 4144 Powerhead
: Unhook the springs (1) from the
clutch shoes.
Position the clutch shoes so that the
markings (arrows) are visible.
– Fit new clutch springs.
– Position the carrier (1) so that the
word "OFF" faces up.
The clutch shoes (2) must be
connected by the springs (3)
– the springs (3) must be properly
engaged in the clutch shoes.
: Hold the carrier (1) against one
clutch shoe (2) and hold the other
clutch shoe at an angle against
the carrier (1), pull the shoes
slightly apart and push the carrier
into position.
– Push the carrier (1) into the clutch
shoes (2) as far as stop.
1
1
M
M
938RA008 TG938RA009 TG
1
3
2
Installing
: Push the washer (2) and cup
spring (1) onto the crankshaft
stub.
The cup spring (1) must be properly
seated in the carrier (arrow) and
must not slip out of position while
the clutch is being screwed home.
: Fit the clutch so that the word
"OFF" (arrow) faces up.
938RA010 TG
2
1
938RA011 TG
1
938RA012 TG
: Position the wrench (1)
4130 890 3600 on the crankshaft
stub so that its pins engage the
recesses (arrows).
: Check position of locking strip
(1).
: Tighten down the clutch (1)
firmly.
– Tightening torques, b 3.3
– Remove the locking strip from the
cylinder.
– Reassemble all other parts in the
reverse sequence.
938RA013 TG
1
938RA014 TG
1
938RA096 TG
1
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