Operation Manual

Job Card No.:
Engine:
Filing No.:
Engine Timing
0178-10-10 2070
© 0592
04.06.01 Page 1 of 4
S/BV 6/8/9 M 628
Camshaft Refitment
Job
Preparatory work
● Lubricate bearing positions
● Hand-tighten dowel pin (10), guide roller (7), new
locking plate (12) and hex. bolt (11), refit.
Camshaft must be released, i.e. valve gear is
lifted.
Crankshaft must be in firing TDC position of
cylinder 1, i.e. valves are closed.
Refitting camshaft from engine free end.
● Screw guide arbour with its short grub screw end
into camshaft at engine driving end.
● Push camshaft with guide arbour carefully throu-
gh camshaft bearings.
● Shortly before reaching end position, insert guide
plate (6) into groove of guide roller (7) and push
camshaft further into its end position.
● Remove guide arbor.
Contact surfaces between gear (1) and cams
haft must be absolutely clean and free from oil
and grease.
● Insert dowel pin (2) into camshaft end.
● Position gear (1) in place.
● Screw in cheese head bolts (3) and tighten accor-
ding to specification, section 3.5, line 26.
● Lock cheese head bolts with new locking wire.
● Advance camshaft until gear can rotate freely, i. e.
it is not engaged with idler gear.
Job Cards:
- 01.01.01
- 01.02.02
- 04.02.01
- 04.06.02
- 04.08.01
- 07.04.01
- 10.02.01
Tools:
- Standard tools
- Special tool (Section 1.8)
- Torque wrench
- Socket insert
- Special tool (Section 1.8.1)
- Guide arbor
Auxiliary Material:
- Lube oil
Spare parts:
- Locking wire
- Gasket for cover at engine free end
Fig. 1 Camshaft
Fig. 2 Camshaft fixing
Fig. 3 Camshaft drive gear "KS"
© 50 524 2
© 50 643 1
© 50 644 1