300Tdi Discovery - Injection Pump Tuning Data
05
ENGINE TUNING DATA
4
INFORMATION
300 Tdi ENGINE
Type
2.5 Litre Turbo diesel intercooled
.................................................................................
Firing order
1-3-4-2
.....................................................................
Injection timing
1,54 mm lift at T.D.C.
...............................................................
Injection timing with electronic EGR
1,40 mm lift at T.D.C.
............................
Injection timing with EDC
0,45 mm lift at T.D.C.
..............................................
Timing marks:
Valve timing - manual
Slot for pin in flywheel and TDC mark on front pulley.
.......................................................
Valve timing - automatic
Slot for pin in ring gear. Access through rear engine
...................................................
plate. TDC mark on front pulley
Injection timing
Timing pin (service tool)
.................................................................
Tappet clearances inlet and exhaust
0,20 mm cold
...............................
Valve timing:
Inlet
Exhaust
- Opens
16
°
B.T.D.C.
............................................................................
51
°
B.B.D.C.
- Closes
42
°
A.B.D.C.
............................................................................
13
°
A.T.D.C.
- Peak
103
°
A.T.D.C.
...............................................................................
109
°
B.T.D.C.
- Lift
9,67 mm
..................................................................................
9,97 mm
Maximum governed speeds:
- No load (neutral/full throttle)
4600 + 40 - 120 rev/min
...........................................
- Idle speed at running temperature
720
±
20 rev/min
.................................
- Die-down time
4 seconds
................................................................
INJECTION PUMP
Make & type - standard
Bosch rotary R509 type with boost control and two
....................................................
speed mechanical governor with auto advance and
solenoid electrical shut-off. Tamper proof sealing on,
no load governed speed and fuel adjustment screws.
Constant volume delivery valves
Make & type - Electronic EGR
Bosch rotary R509/1 type with boost control and two
.........................................
speed mechanical governor with auto advance and
solenoid electrical shut-off. Tamper proof sealing on
flight speed and fuel adjustment screws. Constant
volume delivery valves. Throttle position sensor for
EGR control.
Make & type - Electronic diesel control - EDC
Bosch rotary R500 type with full electronic control of
.................
fuelling and timing. Constant pressure delivery valves.
