Operation Manual

Table Of Contents
Job Card No.:
Engine:
Filing No.:
Crankshaft Coupling Flange
Removal / Refitment
0178-05-10 1502
04.16.01 Page 2 of 3
S/BVM 628
Refitting the Flange (see also page 3)
Unscrew plug (11) from flange (12). Check that oil passages and groove of flange and joint faces between
flange, taper sleeve (8) and crankshaft (13) are perfectly clean, but use only detergents that cause no
corrosion.
Also check that joint between crankshaft (13) and taper sleeve (8) is completely dry.
Put spacer plate (9) on gear (14) and slip sleeve (8) - heated to 100°C or so - over journal (13) as far as it will
go. After lubricating inside, fit flange (12) on sleeve (8) so that the identical marks (Nos.) (5) of sleeve and flange
mate with punch mark (16) on journal (13) - Fig. 2 -. This agreement must be ensured also when the flange has
reached its final position.
Screw Stud (4) into cranlshaft (13), fit crossbearer (2) and screw nut (3) in place. Tighten flange (12) with the
device comprising items (2), (3) and (4). Screw adapter (6) into flange (12).
Fill hydraulic pump (1) with oil (Job Card 04.16.02), screw into adapter (6) and turn with adapter so that pump
will not foul crossbearer (2). Tighten bolts between flange (12) and adapter (6) plus bolts between adapter and
pump (1) so that the hydraulic oil used for flange spreading will stay in.
After releasing valve screw (10) somewhat, operate pump a few times until oil comes out through valve screw
free from bubbles. Tighten screw (10).
Expand flange by operating pump (1) and turn nut (3) by wrench (5) to pressflange by crossbearer (2) onto
taper sleeve (8) as far as it will go. In doing so, keep flange from rotation. Be sure to apply the maximum
pressure of 1500 - 2000 bar and hence get a maximum spreading of the flange, so the flange can be mounted
smoothly without "seizing" of components.
Repairs of Sleeve (8) and Flange (12)
Should scores between sleeve and flange affect hydraulic action, thoroughly smoothen scores and fill up
whatever is left with Omni PLUS FE, Spachtelmetall supplied by:
Omni Technic GmbH
Triebstr. 9, 80993 München 50.
Following assembly, bleed pump (1) through valve screw (10) and unscrew pump (1) with adapter (6).
Close connection in flange (12) with plug (11). This plug must not be locked and not project from the joint face
of the flange (12).
Remove crossbearer (2) and stud (4). After allowing oil pressure to be dispersed within min. 1hour. Mount
flywheel (Job Card 04.09.01).
Following fitment of flange, wait 24 hours before starting up the engine.
Fig. 1
Detail "X"
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