Daedong DSC48 - Cooling System; Fuel System; Lubricating System

Apr. 2007
2
-27
DSC48
3.2.2 LUBRICATING SYSTEM
A. OIL PUMP
3.2.3 COOLING SYSTEM
A. RADIATOR
B. INJECTION NOZZLE
Injection sequence
1→ 3→ 4→ 2
(The cylinder number is given in order from the gear case end.)
CAUTION
3.2.4 FUEL SYSTEM
A. INJECTION PUMP
Item Factory specifi cation Allowable limit
Engine oil pressure
(Oil temp.: 85 ~ 95°C)
At idle speed 68.6 kPa
0.7 kgf/cm
2
9.95 psi
-
At rated speed 245 ~ 441 kPa
2.5 ~ 4.5 kgf/cm
2
35.6 ~ 64.0 psi
245 kPa
2.5 kgf/cm
2
35.6 psi
Clearance between inner rotor and outer rotor 0.10 ~ 0.16 mm
0.0039 ~ 0.0063 in.
0.2 mm
0.00787 in.
Clearance between outer rotor and pump housing 0.11 ~ 0.19 mm
0.0043 ~ 0.0078 in.
0.25 mm
0.0098 in.
Clearance between inner rotor and cover 0.105 ~ 0.150 mm
0.00413 ~ 0.00591 in.
0.2 mm
0.00787 in.
Item Factory specifi cation
Radiator tightness No leak at 137 kPa, 1.4 kgf/cm
2
, 20 psi
Radiator cap 10 seconds or more for pressure falling from 88 to 59 kPa
from 0.9 to 0.6 kgf/cm
2
from 13 to 9 psi
Fan belt tension (defl ection at 10 kgf of force) 7 ~ 9 mm
0.28 ~ 0.35 in.
Item Factory specifi cation
Injection timing (BTDC) 18°
Item Factory specifi cation
Fuel injection pressure 14.72 mPa
150 kgf/cm
2
2,134 psi
Fuel tightness of nozzle No leak at 12.74 mPa, 130 kgf/cm
2
, 1,849 psi