RUNRACE : Service & Maintenance Manual - rev. 2.0
Page 6.43
WARNING: Run the following checks during a manual lubrication cycle, initiated by
simultaneously pressing the “1”, “4” and “7” keys.
Follow the procedure below to correctly diagnose the problem. Take particular care with the steps
highlighted by circled numbers, which are described in detail below:
(1)
If the relay is switching, the sound of the contacts closing should be audible.
(2)
Place the tester probes between pins 1 (ground) and 2 (signal) of connector K1 on the pump
interface board. The measured voltage should be +12 Vdc. Place the tester probes between
pins 1 (ground) and 4 (signal) of connector K1 on the pump interface board. During
lubrication the measured voltage should be +5 Vdc.
(3)
Place the tester probes between pins 9 (ground) and 10 (signal) of free connector CN3. The
measured voltage should be +12 Vdc. Place the tester probes between pins 9 (ground) and 12
(signal) of free connector CN3. During lubrication the measured voltage should be +5 Vdc.
(4)
Place the tester probes between pins 9 (ground) and 10 (signal) of connector CN2 on the CPU
board. The measured voltage should be +12 Vdc. Place the tester probes between pins 9
(ground) and 12 (signal) of connector CN2 on the CPU board. During lubrication the
measured voltage should be +5 Vdc.
WARNING: When installing a new pump, before connecting the distribution tube, run a
few manual lubrication cycles until the oil that comes out is clean.
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