G05.30-3102-01
Shown on engine 904 on intake valve
1 Adjustment screw
2 Jam nut
Shown on engine 904 on exhaust valve
1 Adjustment screw
2 Jam nut
G05.30-3103-01
| Remove/install | ||
1 | Remove cylinder head cover | ||
| Remove/install cylinder head cover | ||
2 | Select adjustment method for valve clearance | Setting according to injection order: | |
| General information on adjusting valve clearance | Engine 457.9, 900.9, 902.9, 904.9, 906.9, 924.9, 926.9 Method 1 | |
Setting at two crankshaft positions: | |||
| General information on adjusting valve clearance | Engine 457.9, 900.9, 902.9, 904.9, 906.9, 924.9, 926.9 | |
3 | Attach cranking/blocking device | Inspection hole closure cover to timing case | |
Turning device | |||
4 | Move engine into the crankshaft position of the selected setting method | ||
| Checking | ||
5 | Inspect valve clearance (arrow) and adjust | Check or adjust valve clearance when engine is cold only, at the earliest 30 min. following adjustment of the engine, to ensure uniform warming up. The same also applies for short-term operation. | |
The inspection tolerance of the valve clearance applies only to the inspection, not to the setting. | |||
Valve clearance | |||
Test tolerance for valve clearance | |||
Jam nut on rocker arm adjustment screw | |||
6 | Install in the reverse order | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
7 | Start engine and inspect cylinder head cover for leaks |
Check values for valves
Number | Designation | Engine | ||
BE05.30-N-1012-01B | Valve clearance | Inlet | mm | 0.40 |
Outlet | mm | 0.60 | ||
BE05.30-N-1013-01B | Test tolerance for valve clearance | Inlet | mm | -0.05/+0.05 |
Outlet | mm | -0.10/+0.10 | ||
Timing case
Number | Designation | Engines | |
BA01.60-N-1002-01A | Inspection hole closure cover to timing case | Nm | 25 |
Engine timing - general
Number | Designation | Engine | |
BA05.00-N-1002-01A | Jam nut on rocker arm adjustment screw | Nm | 25 |
Cranking device
904 589 04 63 00
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