Page 761 of 1463
1F3-32 OM600 ENGINE CONTROLS
5. Remove the plug (6) and seal (5) from the fuel injection
pump and collect oil in a suitable vessel.
Installation Notice
Notice
Replace the seal.
Tightening Torque 30 Nm
6. Install the locking screw (18) into the injection pump.
Notice
Before tightening the bolts for the injection timing device
and the camshaft sprocket, always remove the locking screw
from the injection pump and reinstall the plug.
Locking Screw 601 589 05 21 00
7. Place alignment marks (arrow) on the timing chain (12) and
camshaft sprocket (15). 4. Position the no.1 cylinder at ATDC 15°.
Notice
Do not rotate the engine with camshaft sprocket bolt or
opposite direction of the engine rotation.
Page 762 of 1463
OM600 ENGINE CONTROLS 1F3-33
9. Pull out the 12-sided stretch bolt (14) and washer and
remove the camshaft sprocket (12).
Tightening Torque 46 Nm
11. Using special tool (24, 25), remove the locking pin (8).
Sliding Hammer 116 589 20 33 00
Threaded Bolt 116 589 02 34 00
8. Remove the chain tensioner (17).
Installation Notice
Tightening Torque 80 Nm
Notice
Replace the seal (16).
10. Pull out the bolt (11) and washer (10).
Notice
Be careful that the bolt is left-hand thread.
Installation Notice
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 765 of 1463
1F3-36 OM600 ENGINE CONTROLS
Disassembly & Assembly
1. Remove the governor weights (3).
2. Pull out the compression springs (5) and cam sprocket (1)
from the segment flange (4).
3. Knock out the bushing with a proper drift.
4. Installation should follow the removal procedure in the
reverse order.
Page 766 of 1463
OM600 ENGINE CONTROLS 1F3-37
START OF DELIVERY TEST (POSITION SENSOR, RIV METHOD)
1 Position Sensor
2 Battery
3 Fuel Injection Pump4 Seal....................................................... Replace
5 Screw Plug.................................................30Nm
Service Data
Start of Delivery (RIV)
ATDC 14° - 16°
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 768 of 1463
OM600 ENGINE CONTROLS 1F3-39
Digital Tester, RIV Method
(Connection Diagram for Testers Without Adapter)
1 Fuel Injection Pump
2 Rl Sensor
3 Digital Tester4 TDC Pulse Sender Unit
5 Battery