2G40, 2G40 H
Maintenance
HATZ
63
Operator’s Manual
Overview
1
Fixing screw
2
Seal ring
3
Cylinder head cover
4
Gasket
5
Feeler gage
6
Hexagon nut
7
Adjusting screw
Preparatory activities
Step
Activity
1
Remove dirt in the area of the cover (3).
2
Remove the fixing screws (1) with seal rings (2).
3
Take off the cover (3) with the gasket (4). Always replace the
gasket (4) and seal rings (2).
Adjustment method
Cylinder 1 = flywheel side – clockwise sense of rotation.
Cylinder 2 = power take-off side – counter-clockwise sense of rotation.
Step
Activity
1
Turn the engine in the sense of rotation until the valves of the
2nd cylinder start to overlap (outlet valve not yet closed, intake
valve begins to open).
2
Turn the crankshaft by 180° in the sense of rotation, and check
the valves of the 1st cylinder and adjust if necessary.
3
Continue to turn the crankshaft by 180° in the sense of rotation,
and check the valves of the 2nd cylinder.
