© LUCAS 1996
Test Plan: 8443B250D
u Download
Applic: Peugeot XD 3T
Issue No: 2
Date: 03/07/89
Pumps covered:
8443B255D R8443B255D
PUMP SPECIFICATION
Rotation: Clockwise
Plunger Diameter: 7.5 mm
Roller to roller: 50.60 mm
Advance Type: Automatic speed and light load.
Governor type: Mechanical mini-maxi.
Gov. Link Length: 16.5 ± 0.2 mm
Throttle lever link hole: -
Gov.arm hole No.: -
Drive type: Externally splined hub - unsupported shaft.
Light load advance by external adjustment.
Boost control.
Stop solenoid 12 V.
Double lever idling.
Automatic advance override
ISO TEST CONDITIONS.
This data is only valid for the test conditions specified and the
following test benches: HA3000/HA2500/HA1150/HA1100MkII/HA875
HA700/HA400/AVM/PGM
Test Fluid: ISO 4113 at 40 ± 2 °C.
Nozzles: ISO 4010.
Nozzle opening pressure: 125 +3 -0 bar.
H.P. pipes: 6 x 2 x 600 mm (ISO 4093.1)
H.P. Outlet Connections: Original (M12 x 1.5)
Test machine drive: ADC103
Test machine drive in supported position.
Inlet feed pressure: 0.1 bar
PRE-TEST NOTES
3.5 mm shim fitted in advance housing.
Retain idling lever using 3mm dia. rod, SIN RD/TOOLS A13
LLA valve lever to be at 90° to pump axis.
See SIN RD/PUMPS 67 (If Pump Housing or Advance parts replaced)
Fit advance gauge to speed piston end.
Timing: -To accurately set the internal and external timing, use
the following tools: 1804-003/1804-615
ISO TEST PROCEDURE
Test Operation S/C RPM Requirements
1. Priming (C) 100 Obtain delivery from all injectors.
-1000 No air in pump backleak.
2. Transfer press. (S) 1000 4.4 ± 0.2 bar, Boost 0.8 bar.
(Initial set.) (Tool 7244-382),SIN RD/PUMPS 71
3. Transfer press. (C) 500 3.4 to 4.5 bar, Boost 0 bar.
(Tool 7244-382) SIN RD/PUMPS 71
Stop test machine & wait 10 sec min. Cambox press. 0.1 bar max.
4. Advance Gauge (S) 0 0 mm ( 0°) Boost 0 bar.
SIN RD/TOOLS 18 (Tool 7244-590)
5. XS fuel valve (S) 125 Increases by 3 to 12 litre/hr.
Backleak change Boost 0 bar. Throttle closed.
(Initial set) SIN D109
LLA lever towards HP outlets.
Set LLA valve lever at 90° to pump axis.
6. Throttle test (C) 400 1 cm3 maximum, Throttle closed.
Boost 0 bar.
7. T. P Vacuum (C) 100 0.5 bar vacuum. 60 seconds maximum.
Boost 0 bar. Tool 7244-382.
8. Transfer press. (C) 70 0.35 bar minimum. Boost 0 bar.
(Tool 7244-382) SIN RD/PUMPS 71
9. Advance (S) 1500 3.6 mm ( 4.75°) Boost 0.8 bar.
(Full load) SIN RD/TOOLS 18. (Tool 7244-590)
10. Transfer press. (C) 1500 5.2 to 6.3 bar, Boost 0.8 bar.
(Tool 7244-382) SIN RD/PUMPS 71
11. Boost control (S) 750 43 to 45 mm3/st. Boost 0 bar.
12. Anti-stall (S) 450 1.9 to 2.4 cm3, Tool 1804-481.
Boost 0 bar.
SIN RD/PUMPS A81 & TOOLS A14.
13. Idling screw (S) 400 1.9 to 2.4 cm3, Boost 0 bar.
Remove 3mm dia. rod.
14. LLA Linkage (S) 500 Delivery 26 to 34 mm3/st.
Boost 0.8 bar. Tool 1804-612.
Throttle 15 ± 2 mm off min. stop
Advance 0 to 0.5 mm ( 0 to 0.7°)
Tool 7244-590
Lock LLA linkage in this position.
15. LLA Advance (C) 500 2 to 2.9 mm ( 2.7 to 3.9°)
Boost 0.8 bar.
Throttle as test(14) - 1 mm.
Tool 7244-590
16. Advance (C) 1000 1.5 to 2.4 mm ( 2 to 3.2°)
(Full load) Boost 0.8 bar.
SIN RD/TOOLS 18 (Tool 7244-590)
17. LLA Advance (C) 1500 6.3 to 7.8 mm ( 8.4 to 10.4°)
Boost 0.8 bar.
Throttle closed. Tool 7244-590.
Stop test machine - remove tool 7244-382
Fit stop solenoid.
18. Stop solenoid (C) 400 0.4 cm3 max., De-energize solenoid.
Boost 0 bar.
Stop test machine & wait 10 sec. min. Cambox press. 0.1 bar max.
Energise solenoid shut-off with 12 V.
Screw in excess fuel valve adjustment screw.
19. XS fuel valve (S) 125 Increases by 3 to 12litre/hr.
Backleak change Boost 0 bar. Throttle closed.
3mm dia. rod removed. SIN D109
Stop test machine & wait 10 sec min. Cambox press. 0.1 bar max.
20. Excess delivery (C) 100 8.4 cm3 minimum, Advance 0 mm,
Boost 0bar(7244-590)SIN RD/TOOLS 18
21. LLA Advance (C) 270 1.9 to 2.6 mm ( 2.5 to 3.4°)
Boost 0 bar.
Throttle closed. Tool 7244-590.
22. Cambox pressure (C) 270 0.65 to 0.85 bar. Boost 0 bar.
Throttle closed. Tool 1804-447B.
23. Max. delivery (S) 1875 60.5 ± 0.5 mm3/st.
Boost 0.8bar,Max. spread 4mm3/st.
Tools 1804-423 & 1804-448
24. Cambox pressure (C) 1875 0.65 to 0.85 bar. Boost 0.8 bar.
Throttle closed. Tool 1804-447B.
25. Gov. delivery (C) 2000 Record average delivery,Boost 0.8bar
26. Gov. operation (S) 2300 25.5 to 28.5 mm3/st, Boost 0.8 bar.
27. Gov. cut-off (C) 2800 Maximum 2 cm3, Line max. 2.4 cm3.
Boost 0.8 bar.
28. Advance (C) 2800 5.4 to 6.6 mm ( 7.2 to 8.8°)
(Full load) Boost 0.8 bar.
SIN RD/TOOLS 18 (Tool 7244-590)
29. Gov. delivery (C) 2000 Minimum as test(25), Boost 0.8 bar.
30. Delivery(F.L.) (C) 1000 10.8 to 11.6 cm3. Boost 0.8 bar.
31. Backleakage (C) 1000 30 to 50 cm3 per 100 shots.
0.30 to 0.50 litre per minute.
Boost 0.8 bar.
32. Boost control (S) 750 44 ± 0.5 mm3/st. Boost 0 bar.
33. Delivery(F.L.) (C) 1875 11.8 to 12.4 cm3. Boost 0.7 bar.
34. Delivery(F.L.) (C) 500 8.9 cm3 maximum, Boost 0 bar.
35. Advance- (C) 500 3.2 to 4.3 mm ( 4.2 to 5.7°)
Override Override in maximum position.
Tool 7244-590
36. Internal timing S/C HP outlet'X ', Press 80 bar
-Micrometric Torque 0.16daN.m
Tools 1804-003 & 1804-615
SIN RD/PUMPS 102,TOOLS 5 on 4 outlets
37. External timing S/C Stamp timing value on the timing disc
Refer to product application sheet.
Tool 1804-615.
Shows if timing is at beginning of
injection or at TDC.
REFER TO STATEMENT AT END OF EXPLANATORY NOTES REGARDING MAXIMUM
FUEL AND SPEED SETTING AND VARIATIONS IN ENGINE PERFORMANCE.