Installed on a diesel engine:
- produced from December 1983 to May 1987 - DPA pump, MA 300, N. R 3449 F 010
- produced since May 1987 - DPA pump, MA 260, N. R 8443 111 A
Installed on turbodiesel engines produced since July 1987:
- before April 1988, pump number was R 8443 B 123 V
- before March 1992, pump number was R 8443 B 124 V
- since March 1992, pump number is R 8443 B 125 V
The direction of rotation is right
Static injection timing, before top dead center:
- DPA, diesel engines produced from December 1983 to May 1987 - 22o or 4.32±0.05 mm
- DPC, diesel engines produced since May 1987 - 4.71±0.05 mm
- DPC, turbodiesel engines - 19o or 3.24±0.05 mm
Idle speed: 800±25 rpm
Maximum number of revolutions (without load):
- diesel engines - 4625+125 rpm
- turbodiesel engines — 4600+\- 150 rpm
Engine stop speed (residual volume): — 800±25 rpm
- dPA pump — 800±25 rpm
- dPC pump, diesel/turbodiesel — 800±50 rpm
Glow plugs:
Types of glow plugs:
- engines of previous releases - Beru 0 100 221 106 or Bosch 0 250 200 059
- latest engines - Beru 0 100 221 133 or Bosch 0 250 701 326
Injectors and injector stems
Manufacturer: Roto-Diesel
Nozzle holder — RKB 45 SD 5422
Injector bushings:
- diesel engines — RDNO SDC 6577 B
- turbodiesel engines — RDNOSDC 6751
Nozzle body and nozzle:
- diesel engines — R 53 56 501 B
- turbodiesel engines — R 53 56 502
Color coding:
- diesel engines - orange
- turbodiesel engines - white
Adjusting the injector, new:
- diesel engines - 122 + 5 bar
- turbodiesel engines - 137 + 5 bar
Nozzle adjustment, minimum pressure:
- diesel engines - 112 + 5 bar
- turbodiesel engines - 127 + 5 bar
Fuel filter
Manufacturer: Roto-Diesel
Design:
- until October 1983 - 296
- since October 1983 - 796
- before January 1985 - A manual pump is installed in the filter, with a locking pump button, the filter is replaced every 10,000 km
- since January 1985 - A manual pump with a pump button is installed in the filter; the filter is replaced every 30,000 km
- since July 1986 - A water condensation indicator has been installed in the filter; the filter is replaced every 30,000 km