Allis-Chalmers — Draining, Changing Filters and Filling Lubricating System
Maintenance · Lubrication system
From a Allis-Chalmers owner's manual covering: Series 606, Series 633, Series 649, Series 685. Check it applies to your exact model before use.
Before you start
- Never use tools to tighten full flow oil filters.
- Never use gasoline or other toxic or flammable fluids to clean parts.
Procedure
- Operate engine until coolant is at minimum operating temperature; remove oil pan plug and drain all oil.
- Thoroughly clean all filters and surrounding areas.
- Unscrew throw-away spin-on filters and discard.
- Apply light coat of engine oil to gasket of new filters; screw in by hand until gasket contacts base; tighten at least 1/2 turn by hand only.
- Install oil pan drain plug and fill pan to FULL mark on dipstick with specified oil; add extra oil for bypass filter.
- Crank engine 15 seconds to fill filter components (do not start).
- Start engine; after five minutes check filters for leaks and proper installation.
Specs & values
- Replaceable element filter centerbolts: 45 or 50 lb-ft (61 to 80 Nm)
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.