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1B3-152 OM600 ENGINE MECHANICAL
CYLINDER HEAD GUIDE RAIL
Preceding Work : Removal of the cooling fanRemoval of poly V-belt
Removal of chain tensioner
1 Cylinder Head Cover
2 Bolt............................................................ 10Nm
3 Gasket ................................................... Replace
4 Camshaft Sprocket
5 Washer
6 12-Sided Bolt (M11) ............ Inspect, 25Nm + 90 °
7 Tensioning Lever
8 Bolt ............................................................ 23Nm9 Bearing Pin
........................... Sealing Compound
10 Guide Rail
11 Bearing Pin
12 Guide Pulley
13 Socket Bolt ................................................ 23Nm
14 Closing Cover
15 Spring
16 Timing Chain
Page 418 of 1574
OM600 ENGINE MECHANICAL 1B3-153
Tools Required
115 589 02 34 00 Sliding Hammer
116 589 20 33 00 Threaded Pin Removal Procedure
1. Removal the cylinder head cover.
2. Pull off the tensioning lever (7) and remove from the spring(15).
3. Pry off the closing cover (14) and remove the bolt (13) and then remove the guide pulley (12).
4. Place alignment marks (arrow) on the timing chain (16) and camshaft sprocket (4).
5. Remove the camshaft sprocket.
Page 419 of 1574
1B3-154 OM600 ENGINE MECHANICAL
4. Position the no. 1 cylinder at the TDC of OT.
6. Pull out the bearing pins (9, 11) with sliding hammer andremove the guide rail 10.
Sliding Hammer 116 589 20 33 00Threaded Pin 116 589 02 34 00
Installation Procedure
1. Apply collar of both bearing pins with sealing compound.
2. Position the guide rail and insert the bearing pins.
3. Install the camshaft sprocket.
Tightening Torque 10 Nm
Notice If the max. length ‘L’ of the 12-sided bolt exceeds 53.6mm,
replace it.
Page 420 of 1574
OM600 ENGINE MECHANICAL 1B3-155
In this position, the marking on the camshaft / camshaft bearing cap (arrow) must also be aligned.
5. Install the guide pulley (12).
Tightening Torque 23 Nm
6. Attach the tensioning lever (7) to the spring (15) and install.
7. Replace the gasket and install the cylinder head cover.
Tightening Torque 10 Nm
Page 421 of 1574
1B3-156 OM600 ENGINE MECHANICAL
TIMING CASE COVER GUIDE RAIL Preceding Work : Removal of cylinder head cover1 Bearing Pin
2 Bearing Pin
3 Guide Rail
4 Oil Pump Chain 5 Crankshaft
6 Spring
7 Bushing
8 Tensioning Lever
Page 422 of 1574
1B3-158 OM600 ENGINE MECHANICAL
CRANKSHAFT SPROCKET
Preceding Work : Removal of oil panRemoval of timing case cover
1 12-Sided Stretch Bolt (M11) .. Check, 25Nm + 90 °
2 Washer
3 Camshaft Sprocket
4 Timing Chain
5 Bearing Pin
6 Bearing Pin
7 Oil Pump
8 Oil Pump Sprocket
9 Oil Pump Chain
10 Washer 11 Bolt
............................................................ 25Nm
12 Crankshaft Sprocket
13 Crankshaft
15 Key
16 Guide Rail
17 Spring
18 Bushing
19 Tensioning Lever
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OM600 ENGINE MECHANICAL 1B3-159
Special Tools
116 589 07 15 00 Drift102 589 05 33 00 Puller Removal Procedure
1. Pull out the tensioning lever (19) together with the spring(17) and guide rail (16) far enough until the tensioning lever has passed the oil pump chain (9) and is resting againstthe crankshaft (13).
2. Pull out tensioning lever (19), spring (17) and bushing (18) from the bearing pin (6).
3. Pull out the guide rail (16).
4. Remove the bolt(11) and then remove the washer (10), oil pump chin (9) and sprocket (8).
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1B3-160 OM600 ENGINE MECHANICAL
10. Remove the crankshaft sprocket (12) by using a puller(20).
Puller 102 589 05 33 00
5. Place alignment marks (arrow) on the timing chain (4) and
crankshaft sprocket (12).
6. Remove the woodruff key(15).
7. Place alignment marks (arrow) on the timing chain (4) and camshaft sprocket (3).
8. Remove the chain tensioner.
9. Remove the bolt (1) and then remove the washer (2) and camshaft sprocket (3).