2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 100Get this manual

2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 100

ELECTRICAL WATER TEMPERATURE SWITCH TEST
WATER TEMPERATURE
SWITCH TEST
A heat sensitive temperature switch is installed in the cylinder headThe switch is connected in series with the warning systemIf the switch senses temperature in excess of predetermined limit, the contacts close and S.L.DW is initiatedOn models with System Check gauge, the "WATER TEMP" light goes on and the warning horn sounds for ten seconds
Place the switch and an accurate industrial thermometer in warm automotive crankcase oilSlowly increase the oil temperature using an external heat source
WARNING
The temperature switch must function as follows:

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