Lombardini LDW 422 SERIES - Default Chapter; Table of Contents

4
18-10-2004
18-10-2004
00
REG. CODE
1-5302-662
MODEL N°
51092
DATE OF ISSUE
REVISION
DATE ENDORSED
COMPILER TECO/ATI
TABLE OF CONTENTS
SAFETY DECALS - SAFETY INSTRUCTIONS ............................................................................ Pag. 8-9
I TROUBLESHOOTING ................................................................................................................. " 10-11
II MAINTENANCE ........................................................................................................................... "12
III MAINTENANCE- RECOMMENDED OIL TYPE - REFILLING........................................................ " 13
IV MODEL NUMBER AND IDENTIFICATION ................................................................................... " 14
V TECHNICAL DATA ...................................................................................................................... " 15
VI LUBRICATION SYSTEM ............................................................................................................. " 16-17
VII COOLING SYSTEM..................................................................................................................... " 18-21
Cooling liquid features ....................................................................................................................................................19
Cooling liquid circulating pump ......................................................................................................................................20
Checks on water pump ...................................................................................................................................................20
Checks on thermostat valve ............................................................................................................................................20
Check of the coolant temperature switch. ......................................................................................................................21
FORCED LIQUID COOLING SYSTEM WITH AXIAL FAN ................................................................................................19
Thermostatic valve...........................................................................................................................................................20
Sensor for cooling liquid temperature indicator light....................................................................................................21
WATER COOLED SYSTEM DESCRIPTION....................................................................................................................18
VIII FUEL SYSTEM ............................................................................................................................ " 22-24
FUEL SUPPLY CIRCUIT WITH QUICK STOP DEVICE ( QSD ).....................................................................................22
Fuel circuit air bleeding ...................................................................................................................................................24
QSD behaviour with excited electromagnet ...................................................................................................................22
QSD behaviour with de-excited electromagnet ..............................................................................................................23
QSD WIRING DIAGRAM ..................................................................................................................................................24
Running engine (excited electromagnet) .......................................................................................................................23
Running engine (excited electromagnet) .......................................................................................................................22
IX TIMING DIAGRAM ...................................................................................................................... " 25
X PREHEATING SYSTEM............................................................................................................... " 26-27
Distraction time diagram............................................................................................................................................... 27
Preheating system ........................................................................................................................................................ 26
Preheating time diagram according to ambient temperature ( 11V ) .............................................................................. 27
Post heating time diagram............................................................................................................................................ 27
IX DISASSEMBLY / REASSEMBLY
Internal alternator ............................................................................................................................................................32
Internal alternator - features............................................................................................................................................33
Adjustment of pump control rod......................................................................................................................................103
Air shroud, Cooling fan - Disassembly ..........................................................................................................................30
Air shroud, cooling fan – Radiator shroud - Assembly ..................................................................................................106
Assembly play - Cylinder-Piston .....................................................................................................................................63
This manual contains pertinent information regarding the repair of LOMBARDINI air-cooled,
indirect injection Diesel engines type LDW 422: updated October 18, 2004.
INDEX