Home›Repair guides›Allis-Chalmers›Draining the Cooling System

Allis-Chalmers — Draining the Cooling System

Maintenance

From a Allis-Chalmers owner's manual covering: 11000, 11000 MKIT, 11000MKII, T1Q00GMKII. Check it applies to your exact model before use.

Applies to: Allis-Chalmers 11000 / 11000MKII engine

Before you start

  • When draining in freezing weather, make certain coolant flows freely from all drain cocks and the system drains completely.

Procedure

  1. Ensure engine is level for complete draining.
  2. Remove radiator or expansion tank cap.
  3. Open vent cocks in thermostat housing cover.
  4. Open drain cocks on right-hand side of cylinder block.
  5. Open drain cock at bottom of timing gear housing.
  6. Open drain cock at bottom of radiator if applicable.
  7. Open drain cock or plug at rear of water-cooled exhaust manifold if applicable.
  8. Remove coolant filter or filter drain plug (leave shutoff valves open).
  9. Open drain cock in expansion tank end bonnet to drain raw water if applicable.
  10. Loosen raw water pump end cover to drain raw water; tighten cover screws before starting.

Full service-parts list: Allis-Chalmers 11000 / 11000MKII engine →

Source: Allis-Chalmers owner'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.

More Allis-Chalmers repair guides →