Thermostat - BRP Johnson 4HP Service Manual

POWERHEAD

THERMOSTAT

THERMOSTAT
If salt deposits, corrosion, wear or other damage is found,
clean or replace the thermostat.
Thermostat operation
Check the thermostat operating temperature as follows.
1. Insert a length of thread between the thermostat valve /
body and suspend the thermostat in a container filled
with water.
2. Place the thermometer in the container and heat water.
Observe water temperature when the thermostat valve
opens and releases the thread.
Thermostat operating temperature:
Standard: 48 – 52°C (118 – 126°F)
6-32
Thermometer
Heater