Page 735 of 2053
1B3 -- 186 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
Installation of Screw Plug
Notice
If steel ball leaks again, install the screw plug.
1. Remove the steel ball.
2. Tap thread into the bores of the oil gallery.
Notice
Front bore : M18′1.5, depth 10mm
Rear bore : M16′1.5, depth 14mm
3. Thoroughly clean the oil gallery.
4. Tighten the front plug (5) with seal (4).
Tightening Torque50 N∙m (37 lb-ft)
5. Apply Loctite 241 and then tighten the rear plug (2).
Tightening Torque50 N∙m (37 lb-ft)
Page 748 of 2053
OM600 ENGINE COOLING 1D3 -- 13
D AEW OO M Y_2000
Removal & Installation Procedure
1. Drain coolant from the radiator.
2. Remove the coolant thermoswich connector from
radiator.
3. Remove the each coolant hose.
4. Remove the auto T/M oil cooling hose and cooling
line.
Installation Notice
TighteningHose : 29-- 40N∙m (21-- 30 lb-ft)Tightening
TorqueTube : 25-- 35N∙m (18--26 lb-ft)
5. Loosen the radiator upper mounting bolt and re-
move the mounting stopper and insulator.
6. Remove the radiator.
7. Check the radiator pin for crack, leakage and bend-
ing and replace it if necessany.
8. Installation should follow the removal procedure in
the reverse order.
Page 754 of 2053
1B3 -- 2 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Engine Assembly
ApplicationNSmLb-- FtLb-- In
Skid Plate Bolt28 -- 4721 -- 35--
Drain Plug Bolt3022--
Coolong Fan Shroud Bolt3--7--27 -- 62
Control Linkage Nut8--186--13--
Clutch Linkage Cylinder Nut20 -- 3415 -- 25--
Exhaust Manifold Bolt3022--
Propeller Shaft Bolt & Nut (Axle)70 -- 8052 -- 59--
Propeller Shaft Bolt & Nut (T/C)81 -- 8960 -- 66--
Engine Mounting Nut50 -- 7537 -- 55--
Crankshaft Assembly
ApplicationNSmLb-- FtLb-- In
Cooling Fan Belt Pulley Bolt10--89
Socket Bolt2317--
Tighten The Bolt200 / 90_148 / 90_--
End Cover Bolt10--89
Crankshaft Bearing Cap Bolt55 / 90_41 / 90_--
Ball Bearing45 / 90_33 / 90_--
Camshaft Sprocket Bolt25 / 90_18 / 90_--
Oil Pump Sprocket Bolt2518--
Piston
ApplicationNSmLb-- FtLb-- In
Connecting Rod Bolt35 / 90_26 / 90_--
Flywheel
ApplicationNSmLb-- FtLb-- In
12-- Sided Stretch Bolt45 / 90_33 / 90_--
Page 755 of 2053
OM600 ENGINE MECHANICAL 1B3 -- 3
D AEW OO M Y_2000
Cylinder Head
ApplicationNSmLb-- FtLb-- In
Prechamber Threaded Ring13096--
Cylinder Head Cover Bolt10--89
Fuel Injsction Pipe Nut1813--
Socket Bolt2518--
Fuel Filter Pipe Bolt2518--
Idle Pulley Bolt2317--
Damper Bolt2115--
Camshaft Bearing Cap Bolt2518--
Camshaft Sprocket Bolt25 / 90_18 / 90_--
Exhaust Pipe Bolt& Nut2518--
Chain Tensioner8059--
Injection Nozzle4030--
Intake Manifold Not2518--
Injection Nozzle Pipe Not1813--
Oil Dipstick Tube Bolt10--89
Screw Plug M18 x 155037--
Cam Support & Shaft
ApplicationNSmLb-- FtLb-- In
Stud Bolt12--106
Exhaust Manifold Not2518--
CamShaft Bearing Cap Bolt2518--
12-- Sided Bolt (M11)25 / 90_18 / 90_--
Timing Cover
ApplicationNSmLb-- FtLb-- In
Oil Pan Bolt -- Socket Bolt10--89
Oil Pan Bolt--M610--89
Oil Pan Bolt--M232317--
Belt Pulley Bolt3224--
Guide Pulley Bolt4--35
Guide Pulley Bracket Nut2317--
Chain Tensioner8059--
Tesioning Lever Bolt2317--
Page 765 of 2053
OM600 ENGINE CONTROLS 1F3 -- 3
D AEW OO M Y_2000
FUEL INJECTION PUMP CODING
Model Code
OM661 LA EnginePES 4M 55C 320 RS 167
OM662 LA EnginePES 5M 55C 320 RS 168
Fuel Injection Pump Code
Example) PES 5M 55C 320 RS 168
PPump
E Self -- Driven
S End Flange Mounting
5 Number of Cylinders (5EA)
MPumpSize
55 Element Diameter
C Modification Letter
320 Assembly Number
R Direction of Rotation (clockwise)
S188 Special Version
RSF Governor
R Governor
S Coil Spring
F Drive Governor
Component Location
1. Fuel Injection Pump
2. Vacuum Unit (Stop Unit)
3. Control Lever
4. PLA Vacuum Unit (Idle Speed Adjustment)
5. Governor
6. Fuel Pump
Page 786 of 2053
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) ............
Page 788 of 2053
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).
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.