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 760 of 2053
1E3 -- 6 OM600 ENGINE ELECTRICAL
D AEW OO M Y_2000
GENERATOR
Preceding Work : Removal of poly V-- belt
1 Cooling Fan
2Bolt 45N∙m (33 lb-ft) .....................
3Bolt 45N∙m (33 lb-ft) .....................4 Generator
5 Plug Connection
Page 761 of 2053
OM600 ENGINE ELECTRICAL 1E3 -- 7
D AEW OO M Y_2000
Removal & Installation Procedure
1. Disconnect the negative terminal of the battery.
2. Disconnect the plug connection (5).
3. OM 662 Engine
Align the groove of cooling fan with bolt (2) (arrow).
4. Remove the bolts (2, 3) and take out the alternator.
Tightening Torque45 N∙m (33 lb-ft)
5. Installation should follow the removal procedure in
the reverse order.
Page 762 of 2053
1E3 -- 8 OM600 ENGINE ELECTRICAL
D AEW OO M Y_2000
STARTER MOTOR
1 Starter Motor
2 Washer3Nut 15N∙m (11 lb-ft) ......................
4Bolt 48N∙m (35 lb-ft) .....................
Removal & Installation Procedure
1. Disconnect the battery terminals.
2. Disconnect the starter motor cable harnesses.
3. Remove the bolts and then remove the starter mo-
tor.
4. Installation should follow the removal procedure in
the reverse order.
Page 763 of 2053

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--
Page 764 of 2053
1F3 -- 2 OM600 ENGINE CONTROLS
D AEW OO M Y_2000
MAINTENANCE AND REPAIR
ON -- VEHICLE SERVICE
FUEL SYSTEM
1 Fuel Injection Pump
2 Fuel Feed Pump
3 Overflow Valve
4 Injection Nozzle
5 Pre -- filter6 Fuel Retrun Hose
7 Injection Line
8 Fuel Tank
9 Fuel Filter
10 Choke Orifice
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