AR05.10-S-7800D | Removing, installing chain tensioner | 17.12.09 |
ENGINE 611.980 in MODEL 638.094 /194 /294
with CODE (MQ4) Engine OM611 DE22 LA (75 kW)
with CODE (MQ5) Engine OM611 DE22 LA (90kW)
ENGINE 611.980 in MODEL 638.094 /194 with CODE (MQ3) Engine OM611 DE22 A (60kW)
S05.10-2506-06
1 Chain tensioner
2 Seal
3 Guide pulley
4 Bolt
5 Bracket
6 Bolt
7 Cover
Y75 Electric shutoff valve
| Removing, installing | ||
1 | Remove guide pulley (3) | ||
2 | Position piston of cylinder 1 to ignition TDC | Rotate engine at crankshaft. Do not rotate engine at the bolt of the camshaft sprocket. Do not crank engine back. | |
Danger! | Risk of explosion from fuel vapors igniting. Risk of poisoning from enhaling fuel vapors and open working with fuel. Risk of injury from fuel splashing into eyes. | No fire, naked flames or smoking. Avoid sparks. Wear protective gloves and, if necessary, eye protection when handling fuel. | |
3 | Detach electric shutoff valve (Y75) | ||
4 | Unscrew bolt (6) of bracket (5) of fuel supply shutoff valve (Y75) at timing case cover | | |
| |||
5 | Remove chain tensioner (1) | Installation: Replace seal (2). | |
Before installing, fill chain tensioner with engine oil. Position chain tensioner with thrust pin facing down in engine oil until it is over the collar at the hexagon. Use a press or column drill to slowly depress thrust pin fully 7 - 10 times. | |||
After filling, it must be possible to compress the chain tensioner slowly and evenly only by using considerable force. | |||
| |||
| |||
6 | Install in the reverse order | ||
| Inspecting | ||
Danger! | Risk of accident from vehicle starting off by itself when engine running. Risk of injury from bruises and burns if you hold your hand into engine when it is started or when it is running. | Secure vehicle to prevent it moving off by itself. | |
N | Run engine and inspect for leaks |
Timing chain, chain tensioner
Common rail diesel injection (CDI)
Number | Designation | Engine 611.980 | ||
BA07.16-P-1012-01A | Bolt of bracket of fuel supply shutoff valve to timing case cover | Nm | 12 | |
001 589 76 09 00
External Torx set
Tool kit
000 589 10 99 00
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