1 | Rocker arm assembly |
2 | Screw |
3 | Valve bridge |
4 | Retaining clip |
5 | Screw |
6 | Valve lock |
7 | Valve spring retainer |
8 | Valve spring |
9 | Valve stem seal |
10 | Valve guide |
L | Shank length |
W05.30-1041-06
| Remove | ||
1 | Remove all cylinder head covers. | ||
2 | Remove soundproofing from frame on the upper right and bottom | ||
3 | Attach turning device to timing case | ||
Bolt, turning device to timing case | |||
Turning device | |||
4 | Remove retaining clip (4) | ||
5 | Turn engine with turning device until piston of selected cylinder is precisely in ignition TDC. | ||
Firing order | |||
Observe firing order. | |||
6 | Remove rocker arm assembly (1) | ||
7 | Remove valve bridges (3) | ||
8 | Remove valve springs (8) and valve stem seals (9) | ||
Pliers | |||
Magnetic pin | |||
Valve tool case | |||
| Install | ||
9 | Replace valve stem seals (9) and install valve springs (8). | ||
| As of engine end no. 111125 | ||
Only install modified valve stem seals (9). | |||
Sleeve | |||
Valve tool case | |||
10 | Measure screw (5) | If permissible shank length (L) is exceeded, replace screw (5). | |
Screw/bolt, tensioning arm of nozzle holder combination/constant throttle to cylinder head | |||
11 | Install retaining clip (4) | Bolt, retaining clip, nozzle holder combination and constant throttle to cylinder head | |
12 | Put on valve bridges (3) | Check valve bridges (3) for wear and damage; replace if necessary. | |
13 | Measure screws (2) | If permissible shank length (L) is exceeded, replace screw/bolt (2) concerned. | |
Bolt, rocker arm bearing bracket to cylinder head | |||
14 | Check rocker arm assembly (1) for wear | Replace worn components if necessary. | |
15 | Install rocker arm assembly (1). | Check push rods are seated correctly in the roller tappet. Oil push rod pans with engine oil. | |
Bolt, rocker arm bracket to cylinder head | |||
16 | Set valve clearance | ||
| |||
Valve clearance | |||
Inspection tolerance | |||
Jam nut on rocker arm adjustment screw | |||
Tool kit | |||
17 | Replace valve stem seals (9) on the remaining cylinder heads. | ||
Firing order | |||
Repeat operation steps 4 to 16, complying with the firing order. | |||
18 | Install cylinder head covers | ||
Only tilt back cab after the leak test. | |||
19 | Remove cranking device on timing case | ||
Bolt, inspection hole cap to timing case | |||
20 | Install soundproofing from frame on the upper right and bottom | ||
21 | Check engine oil level with oil dipstick or on display, add oil if necessary | ||
Notes on engine oil | |||
Observe engine oil grade set in maintenance system or Specifications for Operating Fluids. | |||
Warning | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
22 | Start engine and allow to run in idle for 10 s until the oil pressure has built up, then run the engine at varying speeds | ||
23 | Switch off engine and check for leaktightness | Visual inspection. |
346 589 01 61 00
Sleeve
904 589 04 63 00
Turning device
000 589 10 99 00
Tool kit
210 589 00 40 00
Magnetic pin
541 589 00 61 00
Valve tool case
606 589 00 37 00
Pliers