91
Model Code Page
22. Fuel system
1. 8. 2000
8950
220 6A
1. 6. 1999
1
2
3
4
Fuel injection pump ( B o sch P--pump) on 8950 tractor.
1. Boost control (for SigmaPower system)
Function is similar to the boost control on 6800 and 8750 tractors, see page 223/9.
2. Forc ed feed solenoid for starting
Function is similar to 6800 and 8750 tractors’ solenoid, see page 223/9.
3. Pl ug for injection timing behind the co ver
Injection advance is adjusted according to instr. on page 223/8
4. Fuel feed pump
Note! Adjusting values are shown on page 220/8B.
IMPORTANT! The type of 8950---tractor’s fuel injection pump has been changed with effect from engine no. J18597. Simultaneo-
usly the gas lever position sensor bracket and the lever (17 mm outer) have been changed.
Checking electric stop solenoid (Elet-
trostart)
A. Running position
B. Stop position
It is important for function of the double coil solenoid (pul-
ling and holding coil), that the piston reaches the extreme
position in every stroke. The piston presses the internal
switch, which connects continuous current to the holding
coil which eliminates the overheating danger o f the sole-
noid.
1. Energize the solenoid and adjust the loose lever system
so that the fuel injection pump lever reaches the extreme
positions in its course, see picture. The solenoid is energi-
zed during engine running.
Note! Energize the solenoid with a battery of a correct vol-
tage and keep the solenoid energized while adjusting.
AB
Technical values:
Voltage 12 V................
Pulling coil 41 A.............
Holding coil 0,5 A............
Max. stroke 40 mm............
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