–
| Fit puller -T10052- and align it with holes in hub. |
–
| Insert securing bolts -1- in hub. |
–
| Apply tension to hub by evenly tightening puller central bolt -2- until hub releases from taper of camshaft. |
Note When doing this, hold puller with 30 mm spanner. |
–
| Remove hub from taper of camshaft. |
–
| Remove cylinder head cover. |
–
| Remove rocker arm shaft. |
Note First loosen the outer and then both inner securing bolts, using diagonal sequence. |
–
| First remove bearing caps 2 and 3. Loosen bearing caps 1 and 4 alternately and diagonally. |
Note Bearing cap 4 is marked as bearing cap 5 |
Note t
| When camshaft is installed, No. 1 cylinder cams must point upwards. |
t
| Do not interchange used bearing shells (mark). |
t
| When installing the camshaft, ensure proper seating of retaining lugs in bearing caps and cylinder head. |
t
| Before installing bearing caps, ensure that cylinder head bolt washers are inserted in the cylinder head. |
–
| Oil running surfaces of shell bearings. |
–
| Tighten bearing caps 2 and 3 alternately and diagonally to 8 Nm + 1/4 turn (90°) further. |
–
| Install bearing caps 1 and 4 and also tighten to 8 Nm + 1/4 turn (90°) (renew bolts). |
Note t
| Bearing cap 4 is marked as bearing cap 5 |
t
| Seal parting surfaces of bearing caps 1 and 4 with sealant -AMV 17400401- → Fig.. |
t
| Bearing cap 4 must be flush with outer edge of cylinder head, otherwise leaks can occur at the tandem pump. |
–
| Install rocker arm shaft, first tighten the inner and then the outer securing bolts evenly using diagonal sequence. Torque setting: 20 Nm + 1/4 turn (90°) further. |
|
|
|