P07.02-2202-09
1 | Drive gear | 5 | Spindle | 7 | Cap | ||
2 | Major assembly chain | 6 | Timing case cover | 8 | Screw |
High-pressure pump position 700 before ignition TDC (top dead center) |
1 | Drive gear |
8 | Screw |
P07.02-A022-06
Caution | Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. | |
Topical note | Notes on self-locking nuts and bolts | ||
Topical note | Notes on avoiding damage through contamination and foreign objects | ||
| Remove | ||
1.1 | Remove engine with transmission. | Engine 654 in model 205, 253 | |
Engine 654 in model 205, 253 | |||
1.2 | Remove engine with front axle carrier. | Engine 654 in model 205, 253 | |
Engine 654 in model 205, 253 | |||
2 | Remove glow output stage (N14/2). | ||
3 | Pierce cap (7) in the center of the timing case cover (6) and pry out. | | |
4 | Remove screw (8) and counterhold with counterholder at the crankshaft. | Counterholder | |
5 | Remove lower slide rail. | ||
6 | Mark running direction of timing chain and of major assembly chain (2). | ||
7 | Remove timing chain from drive gear (1). | ||
8 | Install spindle (5) with thrust piece on the drive gear (1) and screw in spindle (5) until the drive gear (1) becomes unfastened from the high-pressure pump. | Sleeve | |
9 | Remove major assembly chain (2) and remove drive gear (1). | ||
10 | Remove spindle (5) with thrust piece from the drive gear (1). | Sleeve | |
| Install | ||
11 | Fit major assembly chain (2) on drive gear (1). | | |
12 | Install drive gear (1) on the high-pressure pump and tighten screw (8) slightly by hand. | Replace bolt (8). | |
Observe the guide notch. | |||
13 | Remove retaining lock from the crankshaft. | ||
14 | Turn engine at the crankshaft with the counterholder in the direction of engine rotation to 700 before top dead center at cylinder 1 (ignition TDC). | Counterholder | |
15 | Turn drive gear (1) to 700 before top dead center at cylinder 1 (ignition TDC). | The hole in the drive gear (1) and the marking in the crankcase must be flush (arrows in the picture). | |
16 | Mount timing chain. | | |
17 | Install lower slide rail. | ||
Install the camshaft housing with the camshafts only once the engine is at top dead center at cylinder 1 (ignition TDC) and the retaining lock is reinstalled. | |||
18 | Tighten screw (8) and counterhold with the counterholder at the crankshaft. | Bolt, sprocket to high-pressure pump | |
Counterholder | |||
19 | Install cap (7) on timing case cover (6). | Replace cap (7). | |
20 | Turn engine at crankshaft with counterholder in direction of engine rotation and position piston of cylinder 1 at top dead center (ignition TDC). | | |
The 0° marking must be flush with the TDC marking. | |||
21 | Install retaining lock on the crankshaft. | ||
22 | Install camshaft housing with camshafts. | ||
23 | Attach engine to front axle carrier. |
| |
24 | Install glow output stage (N14/2). | ||
Only install upper engine cover after the leak test. | |||
25.1 | Install engine with transmission. | Engine 654 in model 205, 253 | |
Engine 654 in model 205, 253 | |||
Only install lower engine compartment paneling after leak test. | |||
25.2 | Install engine with front axle carrier. | Engine 654 in model 205, 253 | |
Engine 654 in model 205, 253 | |||
Only install lower engine compartment paneling after leak test. | |||
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. | |
26 | Carry out engine test run and check engine for proper leak tightness and leak tightness. | ||
27 | Install lower engine compartment lining. | ||
28 | Install upper engine cover. |
654 589 00 14 00
Sleeve
654 589 00 40 00
Counterholder