HATZ Diesel 1B 50 User Manual
Page 59
Step
Activity
Figure
2
Remove the screws (2).
(2 screws in 1B20, 1B27 and
1B30, 3 screws in 1B40 and
1B50).
3
Take off the cover (3) with the
gasket (4).
4
Turn the engine in the sense of
rotation until the rocker arm (1)
has fully opened the outlet
valve. Then check the tappet
clearance at the rocker arm (2)
with a feeler gauge (3). For the
setting, see the chapter 4.1
Engine, page 23.
5
Turn the engine in the sense of
rotation until the rocker arm (2)
has fully opened the intake
valve. Now check the tappet
clearance at the rocker arm
(1).
6
If the tappet clearance needs
to corrected:
Release the screw (4) and turn
the hex nut (5) so the feeler
gauge (3) can be pulled
through with a barely percepti-
ble resistance after the screw
(4) is tightened again.
7
Mount the cylinder head cover
with the new gasket and tight-
en evenly.
8
Fully assemble the engine.
1B20, 1B27, 1B30, 1B40, 1B50
Maintenance
HATZ
Operator's Manual 1B20-1B50
59