Setting work
Service and maintenance
© 2007
55
6
Set valve clearance for TCD 2013 L04/06
4V
z
Loosen breather valve and swing it to the side.
z
Remove the cylinder head hood.
z
Let the engine cool down for at least 30 minutes
before setting the valve clearance: Lubricating oil
temperature below 80 °C.
z
Place turning gear over fastening screws of the
belt pulleys.
z
Tool (
74
).
z
Turn the engine until reaching valve overlap, cyl-
inder no. 1.
The cylinders to be set can be seen in the setting
schematic.
z
Note: Crankshaft means:
z
Outlet valve
EX
is not yet closed, inlet valve
IN
begins to open.
1
z
Loosen rotation angle disc (3)
(order no.: 8190)
and place pin wrench insert
(order no.: 8193)
on
the valve clearance setting screw (2).
z
Loosen locking nut (1) with special tool
(order
no.: 8199)
.
z
Fix magnet of the rotation angle disc.
z
Turn rotation angle disc clockwise to the stop
(rocker arm without clearance) and set the scale
to zero.
z
Turn rotation angle disc anticlockwise until
reaching the specified rotation angle:
z
Secure the rotation angle disc (3) against twist-
ing.
z
Tighten the locking nut (1) (torque 20 Nm).
z
Perform the setting procedure on every cylinder.
z
Mount gasket (new gasket if necessary).
z
Visually inspect screws and rubber elements, re-
place if necessary.
z
Mount cylinder head cover (with a new gasket if
necessary) and tighten the screws according to
3
tightening specification: 9 Nm (
74
).
z
Swing breather valve into position and fasten.
OBJ_DOKU-12638-001.fm Seite 55 Mittwoch, 22. August 2007 9:25 09
