Hatz 2-4L41C - Pre-Commissioning Preparations and First Oil Filling

Adjusting method for three- and four-cylin-
der engines (Fig. 51)
– Check valve clearances with a feeler gauge.
– Valve clearances (inlet and exhaust valves)
= 0.10 mm with engine cold.
52
– If valve clearance is incorrect, slacken off hex
nut „1“. Turn adjusting screw „2“ until feeler
gauge „3“ can just be pulled through between
the rocker and the valve stem, with slight
resistance to its movement, after nut „1“ has
been retightened.
Important !
Repeat the procedure for all valves, noting the
adjusting method described above.
L3/52
3
2
1
Type
Check valves
at cyl. No.
Valve No. ...
fully open
13
3-cylinder 5 2
31
13
4-cylinder
54
72
31
– Attach the cover to the cylinder head again;
always use new sealing rings.
– Do not use the nuts securing the cover to the
cylinder head more than twice before renewing
them.
Tightening torque: 10 Nm.
– Run the engine briefly and check that the
cover is not leaking at the cylinder head.
34