d) Check the operability of the interlock relay
(K2) (Fig. 13):
• connect the test lamp between the relay
terminal "30" (wire С) and battery terminal
"+".
The lamp shall be lit, when the gearbox lever
is set to the neutral position.
• bridge shortly the terminals "+" and "Д" of
the alternator with a jumper.
The test lamp shall become dim.
If the above operating mode of the test lamp
fails and the electrical circuits checked
according to the described above items a, b
and c, replace the interlock relay “K6”.
F. The starter is not switched off
automatically after starting the engine:
• check the voltage at the terminal “Д” of the
alternator (at the engine rotational speed
exceeding 500 rpm. The voltage shall
exceed 8 В;
• check the working condition of the starter
interlock relay and its circuits.
Fig. 13. Checking the operability of the
interlock relay K6:
1 – Interlock switch SA11;
2 – Starter interlock relay;
3 – Test lamp.
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