Hatz 2-4L30, Workshop Manual

Page: 116 / 174

5. Adjusting the effective stroke
(on engines with end-of-delivery
adjustment):
– Prepare for the adjustment in the same
way as described for start-of-delivery
adjustment.
– Set the injection pump to the end of fuel
delivery.
– Turn the crankshaft in the opposite
direction to normal rotation until the dial
gauge shows the nominal effective
stroke stated on the type plate.
– If necessary correct as described
above. For this use the starting
charge wrench
- 29 -
(see Fig. 137).
– After adjusting correctly tighten the grub
screw and seal it with lacquer.
– Remove the overflow device, install the
pressure valve with pressure tube con-
nection and tighten to the specified tor-
que.
3
L / M . . 09.96
137
6. Note on changing the power setting:
– Measure and make a note of the original power setting. Remember that as a result of
tolerances the actual effective stroke setting may not coincide exactly with the effecti-
ve stroke value on the type plate.
– The effective stroke setting for the desired power is obtained from the original effecti-
ve stroke setting plus (for an increase in power) or minus (for a decrease in power)
the difference between the two effective stroke values according to the adjustment
data.
Example:
To change an L 30 engine from power output B to power output F:
Effective stroke for power output F acc. table: 1,14 mm
– Effective stroke for power output B acc. table 1,07 mm
Difference between effective stroke values 0,07 mm
Effective stroke measured at engine: 1,05 mm
+ difference value 0,07 mm
New effective stroke setting 1,12 mm