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D AEW OO M Y_2000
SECTION 1F3
OM600 ENGINE CONTROLS
Caution: Disconnect the negative battery cable before removing or installing any electrical unit or when a
tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable
will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless other -
wise noted.
TABLE OF CONTENTS
Specifications 1F3 -- 1............................
Fastener Tightening Specifications 1F3 -- 1..........
Maintenance and Repair 1F3 -- 2...................
On -- Vehicle Service 1F3 -- 2.........................
Fuel System 1F3 -- 2.............................
Fuel Injection Pump Coding 1F3 -- 3................
Fuel Tank 1F3 -- 4...............................
Vacuum Control System Test 1F3 -- 5..............
Vacuum Pump Test 1F3 -- 10......................
Vacuum Pump 1F3 -- 12..........................
Vacuum Unit Replacement 1F3 -- 14...............
Idle Speed Adjustment 1F3 -- 15...................Fuel Pump Test 1F3 -- 17.........................
Fuel Pump 1F3 -- 20.............................
Injection Nozzle Test 1F3-- 21.....................
Injection Nozzles 1F3-- 24........................
Injection Nozzle Repair 1F3 -- 26...................
Removal and Installation of
Injection Timing Device 1F3 -- 29.................
Injection Timing Device 1F3 -- 34...................
StartofDeliveryTest
(Position Sensor, RIV Method) 1F3 -- 36..........
Fuel Injection Pump 1F3 -- 45.....................
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
ApplicationN∙mLb-- FtLb-In
Fuel Tank Mounting Nut28 -- 4721 -- 35--
Fuel Pump Pressure Line1310--
Fuel Injection Nozzle35 -- 4026 -- 30--
Fuel Injection Pipe1813--
Nozzle Tensioning Nut8059--
Screw Plug3022--
Left -- Hand Thread Bolt4634--
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OM600 ENGINE CONTROLS 1F3 -- 29
D AEW OO M Y_2000
REMOVAL AND INSTALLATION OF INJECTION TIMING DEVICE
Preceding Work : Removal of vacuum pump
1 Cylinder Head Cover
2 Bolt 10N∙m (89 lb-in) .....................
3 Gasket Replace..........................
4 Fuel Injection Pump
5 Seal Replace.............................
6 Screw Plug 30N∙m (22 lb-ft) ................
7OilPan
8 Locking Pin
9 Injection Timing Device10 Washer
11 Bolt (Left -- Hand Thread) 46N∙m (34 lb-ft) ....
12 Camshaft Sprocket
13 Washer
14 12-- Sided Stretch Bolt
Check, 25N∙m (18 lb-ft) +90_ ..............
15 Timing Chain
16 Seal
17 Chain Tensioner 80N∙m (59 lb-ft) ............
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OM600 ENGINE CONTROLS 1F3 -- 31
D AEW OO M Y_2000
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.
5. Remove the plug (6) and seal (5) from the fuel injec-
tion pump and collect oil in a suitable vessel.
Installation Notice
Tightening Torque30 N∙m (22 lb-ft)
Notice
Replace the seal.
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 rein-
stall the plug.
Locking Screw 601 589 05 21 00
7. Place alignment marks (arrow) on the timing chain
(12) and camshaft sprocket (15).
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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.
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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
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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)
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OM600 ENGINE CONTROLS 1F3 -- 43
D AEW OO M Y_2000
Digital tester (RIV Method)
1 Bolt 23N∙m (17 lb-ft) ......................
2 Adjusting
Screw To the right : start of delivery retarded
To the left : start of delivery advanced3 Bolt 23N∙m (17 lb-ft) ......................
Service Data
Start of Delivery (RIV)AT DC 1 4_-- 1 6_
Ldling SpeedOM661LA : 720 -- 820 rpm, OM662LA : 750 -- 850 rpm
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
ItemTools
Digital TesterWith Pulse GeneratorBosch, MOT 001.03g
Hartmann & Braun, EOMT3
Without Pulse GeneratorBosch, ETD 019.00
Sun, DIT 9000
ALV, Diesel -- Tester 875
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1F3 -- 44 OM600 ENGINE CONTROLS
D AEW OO M Y_2000
Adjustment Procedure
1. Remove the bolt (3) at the supporting bracket.
2. Remove the bolts (1) at the timing case cover.
3. Run the engine at idle speed.
4. Turn the adjusting screw (2) until the specification
(15_±1_ATDC) is indicated on the digital tester.
To the RightStart of Delivery Retarded
To the LeftStart of Delivery Advanced