R.V.R. Elettronica PJRL250, Technical Manual

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PJRL250 Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo) Pag. 28
1) Open the top cover.
2) Take note of the wiring of J2, J3, J4, and J5 Low Pass
Filter's connectors.
3) Disconnect the Low Pass Filter's connector.
4) Unscrew two screws securing the low pass filter to rear panel.
5) Carefully remove the low pass filter.
6) Take note of the wiring of M1, M2 Soft-Start's connectors.
7) Disconnect M1, M2 Soft-Start's connectors.
8) Disconnect the fastons placed on Pins 9 and 10 on K1 relay.
9) Dismount the four securing screws and remove thr board.
4.8 ALARMS CARD REPLACEMENT
1) Open the top cover.
2) Take note of the position of CN1, CN2 and CN3 Alarms Card's
connectors.
3) Disconnect the Alarms Card's connector.
4) Remove the knob of the Meter Selector loosening the screw inside
the knob.
5) Dismount the screws of the Meter Selector switch and Alarm Reset
push-button.
6) Remove the four screws securing the board to the front panel.
7) Carefully remove the Alarms Card.
SECTION 5
INTERNAL ADJUSTMENTS