Allis-Chalmers — Cleaning cooling system
Maintenance
From a Allis-Chalmers operator's manual covering: 16000MKII, 17000MKII, 21000MKII, 25000MKII. Check it applies to your exact model before use.
Before you start
- Do not use more than 5 or 6 psi when flushing.
- Provide adequate ventilation; never use gasoline, fuel oil, or kerosene.
Procedure
- Clean at beginning of cold weather before antifreeze is added and after antifreeze is drained.
- If coolant is brown and rusty, drain, flush, and refill; replace coolant filter element.
- Close coolant filter inlet and outlet shutoff valves before adding cleaning compound.
- Use commercial cleaner according to manufacturer's instructions.
- Reverse flush radiator with pressure water hose; do not exceed 5 or 6 psi.
- Clean radiator exterior with air blast carrying grease solvent.
- Open coolant filter shutoff valves, refill, and inspect system for coolant leaks.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Flush pressure not more than 5 or 6 psi
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.