Hatz 2-4L30, Workshop Manual

Page: 71 / 174

- 35 - 36 -
Preparations:
– Take off the cylinder head; see M 07.00.
– Remove the cylinder and piston;
see M 06.00.
Dismantling:
– Unscrew and remove the big-end bolts
(62/1) and lift out the conrod and big
end cap with the aid of guide pin
- 35 -
or
- 36 -.
Inspection / repair:
– Check the conrod bushing, big end bea-
ring and crankpin for score-marks and
incorrect dimensions; for values, see
Section 4.
Assembling:
– Press the bushing into the conrod.
Note:
When pressing in the conrod bushing,
make sure that the oil holes are aligned
and that the bushing projects by an equal
amount on each side.
– Insert the big end bearing half-shells
into the conrod, making sure that the
locating nuts are in the grooves provi-
ded; see Fig. 63.
– Install the big end cap, using guide pin
- 35 -
or
- 36 -
; see Fig. 64.
– Attach the upper part of the conrod, in-
sert the big end bolts and tighten them
to the specified torque.
Note:
The groove (63/1) in the big end cap must
be on the side nearest to the injection
pump. The groove (63/2) in the main
conrod must be on the valve tappet side.
3
L / M . . 09.96
62
63
64
M 05.00 Conrod