Page 790 of 2053
OM600 ENGINE CONTROLS 1F3 -- 33
D AEW OO M Y_2000
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 791 of 2053
1F3 -- 34 OM600 ENGINE CONTROLS
D AEW OO M Y_2000
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 792 of 2053
OM600 ENGINE CONTROLS 1F3 -- 35
D AEW OO M Y_2000
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 793 of 2053
1F3 -- 36 OM600 ENGINE CONTROLS
D AEW OO M Y_2000
START OF DELIVERY TEST (POSITION SENSOR, RIV METHOD)
1 Position Sensor
2 Battery
3 Fuel Injection Pump4 Seal Replace.............................
5 Screw Plug 30N∙m (22 lb-ft) ................
Service Data
Start of Delivery (RIV)AT DC 1 4_-- 1 6_
Page 794 of 2053
OM600 ENGINE CONTROLS 1F3 -- 37
D AEW OO M Y_2000
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.
SpecificationAT DC 1 4_-- 1 6_
Notice
If only lamp ’A’ lights up, repeat the test and if out of
specification, adjust start of delivery.
Page 795 of 2053
1F3 -- 38 OM600 ENGINE CONTROLS
D AEW OO M Y_2000
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
Page 796 of 2053
OM600 ENGINE CONTROLS 1F3 -- 39
D AEW OO M Y_2000
(Connection Diagram for Testers With Adapter)
1 Fuel Injection Pump
2 Rl Sensor
3 Digital Tester4 TDC Pulse Sender Unit
5 Battery
6 Rl Pulse Generator
Service Data
Start of Delivery (RIV)AT DC 1 4_-- 1 6_
Idle SpeedOM661LA : 720 -- 820 rpm, OM662LA : 750 -- 850 rpm
Page 797 of 2053

1F3 -- 40 OM600 ENGINE CONTROLS
D AEW OO M Y_2000
Tools Required
617 589 09 21 00 Rl Sensor
617589102100 TimingTester
667589002100 TDCPulseGenerator
Commercial Tools
ItemTools
Digigal TesterWith Pulse GeneratorBosch, MOT 001.03gg
Hartmann & Braun, EOMT3
Without Pulse GeneratorBosch, 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 in-
jection 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
Rl valueAT DC 1 4_-- 1 6_
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.
Tightening Torque30 N∙m (22 lb-ft)