Service manual

2. Overhauling
2-17
SDG125S/150S-6A6
Engine model VOLVO TAD-720GE
First time 37 [ 50 ( 510)]
Second time 96 [130 (1326)]
Tightening torque of head bolts
lbw ･ ft
[N
･ m (kgf ･ cm)]
Third time 90° (Angle tightening)
Air intake in. (mm) 0.014 (0.35)
Valve clearance
Discharge in. (mm) 0.022 (0.55)
Firing order 1-5-3-6-2-4
Injection timing (BTDC) °
Nozzle injection pressure psi (MPa) 3,988
+ 116
∼ 4,060
+ 116
(27.5
+ 0.8
∼ 28.0
+ 0.8
)
Standard psi (MPa)
Compression
Working limit psi (MPa)
Temperature for
start of release
゜F (°C) 181 (83)
Full open
temperature
゜F (°C) 203 (95)
Thermostat
Valve lift in. (mm) 0.315 ( 8 )