Page 760 of 1463
OM600 ENGINE CONTROLS 1F3-31
Tools Required
601 589 00 08 00Flange
601 589 05 21 00 Locking Screw
116 589 20 33 00 Sliding Hammer
116 589 02 34 00 Threaded Bolt
667 589 04 63 00 Retaining Plate
Removal & Installation Procedure
1. Remove the bolts (2) and then remove the cylinder head
cover (1) and gasket (3).
Installation Notice
Tightening Torque 10 Nm
Notice
Replace the gasket.
Rotate the engine 1 revolution by hand and check TDC
marking of the crankshaft and camshaft.
2. Loosen the camshaft sprocket bolt (14).
Notice
Do not remove the bolt.
Installation Notice
Notice
If max. length of bolt exceeds 53.6mm, replace it.
Tightening Torque 25Nm + 90°
3. Loosen the bolt (11) (left-hand thread).
Notice
Do not remove the bolt.
Page 763 of 1463
1F3-34 OM600 ENGINE CONTROLS
12. Push back the timing chain with retaining plate (26) and
remove the injection timing device (9).
Retaining Plate 667 589 04 63 00
13. Installation should follow the removal procedure in the
reverse order.
14. After assembling the engine, check start of delivery and
adjust if necessary.
Page 764 of 1463
OM600 ENGINE CONTROLS 1F3-35
INJECTION TIMING DEVICE
Preceding Work : Removal of injection timing device
1 Cam Sprocket........................................... Check
2 Bushing .................................................... Check
3 Governor Weights4 Segment Flange and Drive Hub
5 Compression Springs
Page 767 of 1463
1F3-38 OM600 ENGINE CONTROLS
Tools Required
617 589 08 21 00 Position Sensor
Test Procedure
1. Remove the screw plug (5) and seal (4) and collect oil in a
suitable vessel.
2. Install the position sensor (1) into the governor housing of
the injection pump to be the guide pin of the position sensor
facing up.
3. Connect the battery terminal of position sensor (1) to positive
terminal (+) of battery.
Position Sensor 617 589 08 21 00
4. Rotate the crankshaft by hand (in direction of engine rotation)
until the lamp ‘B’ lights up. Rotate the crankshaft carefully
further until both lamps ‘A and B’ come on. In this position,
check the Rl value on the crankshaft vibration damper.
Notice
If only lamp ‘A’ lights up, repeat the test and if out of
specification, adjust start of delivery.
Specification ATDC 14° - 16°
Page 770 of 1463
OM600 ENGINE CONTROLS 1F3-41
With Pulse Generator Tools Required
617 589 09 21 00 Rl Sensor
617 589 10 21 00 Timing Tester
667 589 00 21 00 TDC Pulse Generator
Commercial Tools
Item
Digital Tester
Without Pulse GeneratorTools
Bosch, MOT 001.03
Hartmann & Braun, EOMT3
Bosch, ETD 019.00
Sun, DIT 9000
ALV, Diesel - Tester 875
Test Procedure
1. Remove the screw plug (7) and seal (8) collect oil in a suitable
vessel.
2. Install the Rl sensor into the governor housing of injection
pump (1).
Rl Sensor 617 589 10 21 00
3. Connect the digital tester and TDC pulse sender unit
according to connection diagram.
4. Run the engine at idle speed and check the Rl value on the
digital tester
Notice
If out of standard, adjust the start of delivery.
5. Stop the engine.
6. Remove the Rl sensor, digital tester and TDC pulse sender
unit.
7. Replace the seal and tighten the plug.
8. Check engine oil level and adjust if necessary.
Rl value ATDC 14° - 16°
Tightening Torque 30 Nm
Page 780 of 1463
OM600 ENGINE CONTROLS 1F3-51
12. Connect the vacuum line (13, 14).
13. Connect the connecting rod (9).
14. Connect the accelerator control damper (10).
(Manual transmission vehicle)
15. Install the chain tensioner.
16. Install the vacuum pump.
17. Check the start of delivery.
18. Adjust the idle speed.
11. Assemble the plastic clip (8).
Page 786 of 1463
1G1-6 M162 ENGINE INTAKE & EXHAUST
Removal & Installation Procedure
lUpper Intake Manifold
1. Disconnect the vacuum hose (8,9).
2. Loosen the clip (22).
3. Remove the upper intake manifold (5) after unscrewing the
bolt (6).
Installation Notice
Notice
Check the gasket and replace it if necessary.
4. Installation should follow the removal procedure in the
reverse order.
lLower Intake Manifold
Preceding work : removal of upper intake manifold
1. Remove the hose of brake booster vacuum line and idle
speed connector.
2. Disconnect the hot water inlet pipe from the bottom of lower
intake manifold.
3. Unscrew the bolt (17) and remove the lower intake manifold
(16).
Installation Notice
4. Start the engine and check for leaks at each connection
part.
Tightening Torque 22.5 - 27.5 Nm
Tightening Torque 22.5 - 27.5 Nm
Page 787 of 1463
M162 ENGINE INTAKE & EXHAUST 1G1-7
RESONANCE FLAP
1 Soft Cap (2)
2 Bolt (M6 x 25, 4 pieces)......................... 9-11 Nm
3 O-ring
Removal & Installation Procedure
1. Remove the 2 soft caps (1).
2. Remove the upper resonance flap coupling after removing
4 bolts (2).
Notice
Connect carefully the vacuum hose (4) for installation.
3. Check the O-ring (3) and replace it if necessary.
4. Remove the lower resonance flap (5).
5. Replace the gasket (6).
6. Installation should follow the removal procedure in the
reverse order.4 Vacuum Hose
5 Resonance Flap
6 Gasket ................................................... Replace