Engine Maintenance 9-11
3. Tighten plug on water pump (TK 482 or TK 486 engine).
4. Pour coolant into the system until it appears to be full.
5. Make sure that the amount of coolant that goes back into the system is approximately equal to the amount of coolant that was
drained from the system. (Check Specifications section for “Coolant System Capacity:” on page 3-3)
6. Start and operate the unit for a minute. Then stop the unit.
7. Check the coolant level and add coolant if necessary.
9. Repeat steps 6 and 7 until the coolant level stabilises.
Engine Thermostat
For best engine operation, always use a 82.0°C thermostat.
For TK 486V engine operation, always use a 71.0°C thermostat.
Engine Thermostat
1. Jiggle Pin
2. Install This End Toward Engine