MTU 8V2000Mx4x - 8.5 Valve Drive; 8.5.1 Valve clearance - Check and adjustment

8.5 Valve Drive
8.5.1 Valve clearance – Check and adjustment
Preconditions
☑ Engine is stopped and starting disabled.
☑ Engine coolant temperature max. 40 °C.
☑ Valves are closed.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Valve clearance gauge
Y4345893 1
Engine barring device
F6783914 1
Ratchet with extension
F30006212 1
Double-head box wrench
F30002800 1
Offset screwdriver
F30453001 1
Socket wrench
F30030450 1
Torque wrench, 20–100 Nm
F30026582 1
Measuring device
Y4345888 1
Engine oil
Preparatory steps
1. Remove air filter (→ Page 100).
2. Remove cylinder head cover (→ Page 83).
Positioning A1 piston at TDC
Note: With cylinder head and valve gear installed.
1. Install dial gauge (2) under preload in meas-
uring device (4) and clamp with screw (1).
2. Install measuring device (4) in cylinder head
and secure using knurled-head screw (3).
3. Zero dial gauge (2).
4. Turn engine using barring device until piston
A1 reaches firing TDC.
Result: The piston is at firing TDC when both rocker
arms are unloaded, i.e. have clearance.
80 | Valve Drive | MS150060/04E 2016-02
TIM-ID: 0000050015 - 003