5-13
Generator cover
– Loosen the three bolts 1 on the stator.
– Tilt the cable retaining bracket
2 away from the cable with long
nose pliers
A (see small arrow) and pull out of the housing. Take
the cable duct out of the generator cover and remove the stator.
– Pry the shaft sealing ring on the balancer shaft
3 out of the
generator cover and discard.
– Remove the lock ring
4 and pull the idler with the disk and the
bearing from the bearing bolt.
– Heat the housing to 150° C. The bearing
5 will fall out of the
housing by itself.
– Press in a new bearing
5 until flush. Slide the new bearing on the
bearing bolt, slide on the idler and disk and mount the lock ring
4.
– Use the special tool 600.29.043.050 to press in the new shaft
sealing ring on the balancer shaft
3, open side first.
– Position the stator, press the cable duct in the generator cover.
– Push the retaining bracket in the recess of the housing and fit into
place. Apply Loctite 243 to the stator bolts and tighten to 10 Nm.
Torque limiter
NOTE: a torque limiter is used to avoid damage to the engine if the
engine "blows back" when started. Check the flange on the center gear
and the cam surfaces for wear.
Valve gear – checking parts for wear
Check the teeth of the balancer shaft 6 for wear.
Check the rollers and links of the timing chain
7 for wear, damage and
smooth operation.
Check the timing chain guides
8 for wear.
Check the timing chain tensioning rails
9 for wear.
Check the teeth on both double timing gears
bk and the camshaft gears
bl for wear.
Check the camshafts and camshaft bearing positions for wear and
seizing marks.
Check the spreader components for wear and damage, particularly
around the spreader wheel centering: spring washer
bm, tensioning
wheel
bn, tension spring bo and drive wheel bp.
NOTE: the spring preload cannot be checked directly; if the tension
spring is worn, the balancer shaft drive will become loud.
6
7
7
8
8
9
9
bk
bk
bl
bl
bm
bn
bo
bp
1
1
3
4
5
A
2
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