Scania DC9 User Manual

2003-10:1 © Scania Industrial & Marine Engines 3
CONTENTS
PREFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
ENVIRONMENTAL RESPONSIBILITY . . . . . .4
CERTIFIED ENGINES . . . . . . . . . . . . . . . . . . . .5
SAFETY INFORMATION . . . . . . . . . . . . . . . . . .6
Safety precautions for running the engine . . . .7
Safety precautions for handling materials . . . . .8
Safety precautions for care and maintenance . .8
TYPE DESIGNATIONS . . . . . . . . . . . . . . . 10
DEC2 CONTROL SYSTEM . . . . . . . . . . . . 12
STARTING AND RUNNING . . . . . . . . . . . 19
AT FIRST START . . . . . . . . . . . . . . . . . . . . . . .19
CHECKS BEFORE RUNNING . . . . . . . . . . . . .21
STARTING THE ENGINE . . . . . . . . . . . . . . . .21
At temperatures below 0°C: . . . . . . . . . . . . . .22
DRIVING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Rotation speed . . . . . . . . . . . . . . . . . . . . . . . . .23
Coolant temperature . . . . . . . . . . . . . . . . . . . .23
Oil pressure . . . . . . . . . . . . . . . . . . . . . . . . . . .24
STOPPING THE ENGINE . . . . . . . . . . . . . . . . .24
Clutch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
CHECKS AFTER RUNNING . . . . . . . . . . . . . .25
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . 26
ENGINES WITH FEW OPERATING
HOURS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
MAINTENANCE SCHEDULE . . . . . . . . . . . . .27
LUBRICATING OIL SYSTEM . . . . . . . . . 28
OIL GRADE . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Oil analysis . . . . . . . . . . . . . . . . . . . . . . . . . . .28
CHECKING OIL LEVEL . . . . . . . . . . . . . . . . . .29
Checking oil level during operation . . . . . . . .29
OIL CHANGE . . . . . . . . . . . . . . . . . . . . . . . . . .29
Maximum angles of inclination during
operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
CLEANING THE OIL CLEANER . . . . . . . . . .30
CHANGING THE OIL FILTER . . . . . . . . . . . .32
COOLING SYSTEM . . . . . . . . . . . . . . . . . . 32
CHECKING COOLANT LEVEL . . . . . . . . . . .32
CHECKING THE COOLANT . . . . . . . . . . . . . .33
Checking protection against corrosion . . . . . .35
Changing the coolant . . . . . . . . . . . . . . . . . . .35
CLEANING THE COOLING SYSTEM . . . . . .36
Internal cleaning . . . . . . . . . . . . . . . . . . . . . . .37
AIR CLEANER . . . . . . . . . . . . . . . . . . . . . . . 38
READING THE VACUUM INDICATOR . . . .38
CLEANING THE AIR CLEANER COARSE
CLEANER . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
CLEANING OR CHANGING THE FILTER
ELEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
CHANGING THE SAFETY CARTRIDGE . . . .39
FUEL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . 40
CHECKING THE FUEL LEVEL . . . . . . . . . . . .40
CHANGING THE FUEL FILTER . . . . . . . . . . .40
CHECKING THE INJECTORS . . . . . . . . . . . . .41
ELECTRICAL SYSTEM . . . . . . . . . . . . . . . 42
CHECKING THE ELECTROLYTE LEVEL
IN BATTERIES . . . . . . . . . . . . . . . . . . . . . . . . .42
CHECKING THE STATE OF CHARGE IN
BATTERIES . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
CLEANING BATTERIES . . . . . . . . . . . . . . . . .42
CHECKING THE COOLANT MONITOR . . . .43
CHECKING THE TEMPERATURE
MONITOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
CHECKING THE TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
CHECKING THE OIL PRESSURE
SENSOR/MONITOR . . . . . . . . . . . . . . . . . . . . .45
CHECKING THE OIL PRESSURE MONITOR
FOR DEC 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
MISCELLANEOUS . . . . . . . . . . . . . . . . . . . 46
CHECKING THE DRIVE BELT . . . . . . . . . . . .46
CHECKING FOR LEAKAGE,
NECESSARY ACTION . . . . . . . . . . . . . . . . . . .47
CHECKING/ADJUSTING VALVE
CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . .48
CHANGING (
OR CLEANING) THE CLOSED
CRANKCASE VENTILATION VALVE. . . . . .50
LONG-TERM STORAGE . . . . . . . . . . . . . . 51
Preservative fuel . . . . . . . . . . . . . . . . . . . . . . .51
Preservative oil . . . . . . . . . . . . . . . . . . . . . . . .52
Preparations for storage . . . . . . . . . . . . . . . . .52
Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Taking out of storage . . . . . . . . . . . . . . . . . . .53
TECHNICAL DATA . . . . . . . . . . . . . . . . . . 54
ALPHABETICAL INDEX . . . . . . . . . . . . . . 58

Scania DC9 Specifications

General

Displacement	9.3 liters
Fuel Type	Diesel
Bore	130 mm
Stroke	140 mm
Fuel System	Common Rail
Engine Type	Diesel
Cooling System	Liquid-cooled