7-26 Component Testing and Adjustment TP-5606 6/02
Remote Start Panels
(Optional)
Three remote panels are offered. The first uses a
start/stop switch. The second has a start/stop switch
and two gauges. The third incorporates a start/stop
switch and four gauges. If difficulty with remote
operation occurs, the switch, gauges, and gauge
senders can be tested for proper function. Prior to
testing, disconnect J3/P3 connector.
Sender Tests
To test water temperature sender, connect ohmmeter to
controller socket P3-1 and P3-3 (P3-2 for three phase).
See Figure 7-25 for resistance by varying temperatures.
Start generator set to change temperature. STOP
generator set when test is complete.
To test oil pressure sender, connect ohmmeter to
controller socket P3-1 and P3-6 (P3-3 for three phase).
See Figure 7-26 for resistances by varying pressure.
Start generator set to change pressure. STOP
generator set when test is complete.
Generally, senders can be presumed good if they
change their resistance values as their respective
pressure/temperature change. A defective sender will
either be open or shorted.
Panel Tests
Panels can be tested with an ohmmeter as described in
Figure7-27orwithavoltmeterasdetailedin
Figure 7-28.
VDO
(2-Meter,
4-Meter
Temperature @ Panel)
140°F(60°C) 134 ± 10%
194°F(90°C) 51.5 ± 4%
212°F (100°C) 38 ± 3%
Figure 7-25. Water Temperature
Sender Resistance (in Ohms)
VDO
(2-Meter,
4-Meter
Pressure @ Panel)
0 PSI (0 kPa) 5--15
25 PSI (172 kPa) 43--53
50 PSI (345 kPa) 77--87
75 PSI (517 kPa) 105--115
100 PSI (690 kPa) 130--140
Figure 7-26. Oil Pressure Sender
Resistance (in Ohms)
Component
Ohmmeter
Connections
Remarks Results
Remote switch P3-1 and P3-4 (P3-5 for
three phase) (Plug side).
Place remote rocker switch
to START position.
If good--continuity Ohmmeter on R x 1 scale
P3-1 and P3-5 (P3-6 for
three phase) (Plug side).
Place remote rocker switch
to STOP position.
If good--continuity Ohmmeter on R x 1 scale
Figure 7-27. Remote Panel Testing with Ohmmeter
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