Waukesha TH570 — Thermostat Testing
Maintenance · Cooling system thermostat
For the Waukesha TH570, from the Waukesha service manual.
Applies to: Waukesha 570 and 884 engine
Procedure
- Fill container with water to cover thermostat.
- Suspend thermometer with bulb off bottom.
- Heat water to 160°F range.
- Observe start opening at 157°-162°F.
- Check fully open about 182°F.
- Lift into cooler air and check closing.
Tools required
- thermometer Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Opening starts 157°-162°F
- Fully open about 182°F
Source: Waukesha service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.