Maintenance 2-4L41C, 2-4M41(Z), 4L42C, 4M42
84
HATZ
Manual
Preparation — Adjusting the tappet clearance
Step Activity
1 On encapsulated engines, remove the hood of the capsule (see
chapter 5 Engine design, page 27).
2 Remove the hex nut (2) and remove the cylinder head cover (3).
3 Remove the air guide housing cover (see chapter 5 Engine de-
sign, page 27) and belt guard.
4 Insert the ratchet or T-piece 1/2" with the required extension (1)
into the square opening.
NOTICE
Turn the engine in the sense of rotation.
Anti-clockwise in both cases - flywheel side or timing cover side.
Numbering of the valves and cylinders from the fan side
Setting method for two cylinder engine
Step Activity
1 Set the valve of the 1st cylinder – fan side – 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 2nd cylinder.
3 Continue turning the crankshaft by 180° in the sense of rotation
and check the valves of the first cylinder.