Allis-Chalmers — Replacing Thermostat
Repair & overhaul
From a Allis-Chalmers operator's manual covering: 6138, 685, SERIES 6138, SERIES 670. Check it applies to your exact model before use.
Procedure
- Install thermostat(s) in clean housing with arrow pointing up (Series 433, 649, and 670) making sure thermostats are properly set in their respective counterbores
- Position new gasket as indicated in Figure 3
- Position outlet flange on housing and secure with lockwashers and cap screws
Source: Allis-Chalmers operator's 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.