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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 otherwise
noted.
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(Sectional View) . . . . . . . . . . 1F3-10
Vacuum Pump Test . . . . . . . . . . . . . . . . . . . 1F3-11
Vacuum Pump . . . . . . . . . . . . . . . . . . . . . . 1F3-13
Vacuum Unit Replacement . . . . . . . . . . . . . 1F3-15
Application
Fuel Tank Mounting Nut
Fuel Pump Pressure Line
Fuel Injection Nozzle
Fuel Injection Pipe
Nozzle Tensioning Nut
Screw Plug
Left-Hand Thread Bolt
SECTION 1F3
TABLE OF CONTENTS
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Idle Speed Adjustment . . . . . . . . . . . . . . . . 1F3-16
Fuel Pump Test . . . . . . . . . . . . . . . . . . . . . . 1F3-18
Fuel Pump . . . . . . . . . . . . . . . . . . . . . . . . . 1F3-21
Injection Nozzle Test . . . . . . . . . . . . . . . . . . 1F3-22
Injection Nozzles . . . . . . . . . . . . . . . . . . . . . 1F3-25
Injection Nozzle Repair . . . . . . . . . . . . . . . . 1F3-27
Injection Timing Device . . . . . . . . . . . . . . . . 1F3-35
Fuel Injection Pump . . . . . . . . . . . . . . . . . . 1F3-46
N·m
28 - 47
35 - 40
13
18
80
30
46
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