Operation Manual

Job Card No.:
Engine:
Filing No.:
©0683
Main Bearing
Removal
0178-01-10 1836
02.07.01 Page 1 of 3
S/BVM 628
To begin with, make sure that cylinder No.
markings are provided on bearing cap fronts
and face the engine's driving end. Provide
marks if missing..
Remove only every second bearing at a time,
to prevent crankshaft sagging. Support flyw-
heel when removing the bearing next to it.
Job:
Observe safety precautions (Job Card 02.00.01).
Unscrew bolts (3) - Fig. 1 - on both engine sides. Fill
two hydraulic tools with oil (Job Card 02.16.02) for
releasing annular nuts (4) - Fig. 2 - . Procedure for
releasing one nut (other side analogous); Screw
clamping nut (7) onto stud (2) as far as it will go. Fit
bush (8) onto nut (7). Push retainer (12) onto bush (8)
and install hydraulic tool (11). By means of bolt (10)
and washers (9), screw tool (11) together until the
piston is flush with the cylinder end.
Fig. 1
Job Cards:
- 02.00.01
- 02.16.02
- 02.04.01
Tools:
- Standard tools,
- Driving pin (Section 1.8),
- Hydr. tool assembly (Section 1.8),
- H.P. pump with pressure gauge (Sec-
tion 1.8),
- H.P. hoses and distributor (Section 1.8),
- Spreader (Section 1.8),
- Lever (Section 1.8).
© 51 255 0