6.3 Valve Drive
6.3.1 Valve clearance – Check and adjustment
Preconditions
☑
Engine is stopped and starting disabled.
☑
Engine coolant temperature is max. 40 °C.
☑
Valves are closed.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Feeler gauge
Y4345893
1
Barring device
F6783914
1
Ratchet with extension
F30006212
1
Double-head box wrench
F30002800
1
Ring socket, 19 mm
F30038493
1
Torque wrench, 20–100 Nm
F30026582
1
Ratchet
F30027340
1
WARNING
Valve gear is moving.
Risk of crushing!
• Keep hands clear of the danger zone when barring the engine.
Preparatory steps
u
Remove cylinder head cover (→ Page 80).
Positioning A1 piston at TDC
1.
Install barring device.
2.
Losen plug screw (1) and remove.
3.
Using ratchet and barring device, rotate
crankshaft in engine direction of rotation un-
til the bore (2) on the flywheel is visible in the
center of the exposed opening.
MS150094/02E 2015-05
| Task Description | 77
TIM-ID: 0000023895 - 004