|
Up to 19914924 SHI RG 1992 models on.425 SLI RR.
Bore
92mm
Stroke
94mm
Capacity
.2498 cm³
Compression ratio:
4924 SHI RG
22.5 to 1
425 SLI RR
22 to 1
Valve timing.
Inlet valve:
Opens
.22Ί ± 5Ί
Closes
48Ί ± 5Ί
Exhaust valve
Opens
.60Ί ± 5Ί
Closes
24Ί ± 5Ί
Lubrication
System pressure at 4000 rpm, oil at 90 to 100Ί C................. 3.4 to
4.8 bar
Pressure relief opens
.6.2 bar
Spring free length
57.5mm
Oil pump:
Outer end float
.0.04 to 0.087mm
Inner rotor end float
...0.04 to 0.087mm
Outer rotor to body diametrical clearance
.0.130 to 0.230mm
Rotor body to drive gear clearance
(pump not fitted)
0.15 to 0.25mm
Fuel system
Fuel lift pump
mechanically driven by camshaft
Turbocharger
Shaft radial clearance
...0.35mm
Shaft axial clearance
.0.10mm
Waste gate valve:
Opening pressure
.0.89 bar.
Cooling system
Thermostat
.80Ί C
Pressure cap
.1.0 bar
Models 825D, SD. Year1990-1991
Engine
Type
.4924 SHI RG
Capacity
..2498 cm³
Compression ratio
23.4 to 25.5 bar.
Injection order . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 3
- 4 - 2
Low idle speed . . . . . . . . . . . . . . . . . . . . . . . . . . 900 ±
20 rev/min
High idle speed . . . . . . . . . . . . . . . . . . . . . . . . . 1000 to
1100 rev/min
Maximum light running speed . . . . . . . . . . . . . . . 4700 to 4730
rev/min
Maximum governed road speed . . . . . . . . . . . . . . 4200 rev/min
Valve clearances (cold)
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.30
mm
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.30 mm
Fuel injection pump
Make................................. Bosch
Type ................................. Rotary - VE 4 10F 2100 L269 - 2
Pump timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3° to
4° B.T.D.C.
Injection pump plunger lift . . . . . . . . . . . . . . . . .. 0.68 mm
Injectors
Make................................. Bosch
Type ................................. KBE 58 S 4/4
Nozzle type . . . . . . . . . . . . . . . . . . . . . . . . . . . . DNO SD
263 or SD397
Opening pressure . . . . . . . . . . . . . . . . . . 150 to 158 bar 2175
to 2291 Ibf/in²
Heater plugs
Make................................. Bosch
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.250.201.012
Nominal operating voltage . . . . . . . . . . . . . . . . . . 11 V
Models 825D, SD, SLD. Year 1992 Models
Engine
Type ................................. 425 SLI RR
Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 2498
cm³
Compression pressure . . . . . . . . . . . . . . . . . . .. 23.4 to 25.5
bar
Injection order . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 3
- 4 - 2
Low idle speed . . . . . . . . . . . . . . . . . . . . . . . . . . 900 ±
20 rev/min
High idle speed . . . . . . . . . . . . . . . . . . . . . . . .. 1000 to
1100 rev/min
Maximum light running speed . . . . . . . . . . . . . .. 4700 to 4730
rev/min
Maximum governed road speed . . . . . . . . . . . . . . 4200 rev/min
Valve clearances (cold)
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.30
mm
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.30 mm
Fuel injection pump.
Make................................. Bosch
Type ................................. Rotary - VE 4 10F 2100 LTV 414
Pump timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3° to
4° B.T.D.C.
Injection pump plunger lift . . . . . . . . . . . . . . . . .. 0.82 - 0.85
mm
Injectors
Make................................. Bosch
Type ................................. KCA 17570
Nozzle type . . . . . . . . . . . . . . . . . . . . . . . . . . . . DNO SD
301
Opening pressure . . . . . . . . . . . . . . . . . . . . . . . . 150 to
158 bar 2175 to 2291 Ibf/in²
Heater plugs
Make................................. Bosch
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.250.201.012
Nominal operating voltage . . . . . . . . . . . . . . . . .. 11 V
Throttle potentiometer
Voltage - throttle closed . . . . . . . . . . . . . . . . .. 0.2 - 0.35 V
Voltage - throttle fully open . . . . . . . . . . . . . .. . 4.6 - 4.75 V
Top of
page
|
