McLaughlin MCL 36C, Repair Manual

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Adjust valve clearance if necessary:
- Release locknut 4.
- Use screwdriver 7 to turn setscrew 5 so
that the correct clearance is attained after
locknut 4 has been tightened.
Check valve clearance 1 between rocker
arm / tappet contact face 2 and valve stem
3 with feeler gauge 6 (there should be only
slight resistance when feeler blade is
inserted).
For permissible valve clearance, see 9.1
Remove the cylinder head cover.
Before adjusting valve clearance, allow
engine to cool down for at least 30 minutes.
The oil temperature should be below 80°C.
Position crankshaft as per schematic
6.6.1 Checking / Adjusting
Valve Clearances
6.6.1.1 Valve Clearance
Adjustments Sche-
Check and adjust valve clearance on all
remaining cylinders.
SERVICE AND MAINTENANCE
6.6 Adjustments
Replace cylinder head cover (use new gasket
if needed).
Crankshaft Position 1:
Turn crankshaft until both valves in
cylinder 1 overlap (exhaust valve
about to close, inlet valve about to
open). Adjust clearance of valve
marked in black on schematic.
Mark respective rocker arm with
chalk to show that adjustment has
been done.
Crankshaft Position 2:
Turn crankshaft one full revolution
(360°). Adjust clearance of valves
marked in black on schematic.
5.1.29