30/ENGINE ASSEMBLY 142
300326-11
– Slide the outer clutch hub onto the gearbox main shaft. Turn the oil pump gear
until the gear of the outer clutch hub meshes.
– Slide on washer  and inner clutch hub .
300325-11
– Position the new lock washer and mount nut . Tighten the nut, holding the inner
clutch hub with a special tool.
Guideline
Nut, inner clutch hub M18x1.5 80 Nm (59 lbf ft)
Clutch holder (51129003000) ( p. 268)
– Secure the nut with the lock washer.
20.19Installing the primary gear nut
300362-10
– Block the clutch hub and primary gear using the special tool.
Gear segment (80029004000) ( p. 273)
– Mount and tighten the nut.
Guideline
Nut, primary gear M20LHx1.5 120 Nm
(88.5 lbf ft)
Loctite
®
243â„¢
20.20Installing the clutch discs
400535-10
– Thoroughly grease the clutch facing discs.
Engine oil (SAE 10W/50) ( p. 263)
– Insert support ring  into the outer clutch hub.
– Insert pretension ring  with the open side facing outward.
– Position the machined clutch facing disc  with the recess for the pretension ring
into the outer clutch hub.
– Beginning with an intermediate disc, alternately insert all other clutch facing discs
and intermediate discs into the outer clutch hub.
300321-11
– Insert the pressure piece.
– Position the pressure cap. Mount screws  with the washers and springs. Tighten
the screws in a crisscross pattern.
Guideline
Screw, clutch spring M6 10 Nm (7.4 lbf ft)