Case 580SR Service Manual page 877

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SIDE INSTRUMENT CLUSTER
Calibrations
Gage type
Speedometer
Level fuel
Transmission
temperature
Coolant
temperature
VOLT
SECTION 55 - ELECTRICAL SYSTEM
Input Reading
0 HZ 0 rpm
307 HZ 1000 rpm
736 HZ 2400 rpm
240 OHMS Empty
102 OHMS 1/2 Tank
33 OHMS Full
900 OHMS Point B
114 OHMS 106 °C (Red/green
line)
700 OHMS Point A
95 HMS 106 °C (Red/
green line)
11V Red/green left line
15.9V Red/green right
line
Pointer Input tolerance
tolerance
±3° N/A
N/A ± 60 rpm
N/A ± 60 rpm
+0/-6° 230-240 OHMS
(REF)
±3° (REF) 98-108 OHMS
+4/-2° 33-42 OHMS
+0/-6° N/A
±5° 111-117 OHMS (REF)
+0/-5° N/A
±3° 93-97 OHMS (REF)
±3° 10.7-11.3 V (REF)
±5° 15.0-15.6 V (REF)
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Calibration
direction
Descending
Ascending
Ascending
Descending
Descending
Ascending
Descending
Ascending
Descending
Ascending
Descending
Ascending