Allis-Chalmers 3500 MK II / SOOMKII 1.5 — Changing Engine Lubricating Oil and Full-Flow Filters
Maintenance · Lubrication system
For the Allis-Chalmers 3500 MK II / SOOMKII 1.5, from the Allis-Chalmers owner's manual.
Applies to: Allis-Chalmers 3500 MKII engine
Before you start
- Do not use tools to tighten oil filters.
- Always use Allis-Chalmers replacement filters.
Parts for this job
- 8826586 Oil filter FridayParts $269.99
Part numbers from the service-parts list for Allis-Chalmers 3500 MKII engine. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Operate engine until coolant at minimum operating temperature; remove oil pan drain plug and drain oil.
- Clean filters and surrounding area.
- Unscrew and discard both full-flow filters.
- Lubricate gaskets of replacement filters; screw on by hand until gasket contacts base, then tighten one half turn more.
- Install drain plug and fill oil pan to FULL mark on dipstick.
- Crank engine 15 seconds without starting to fill filters.
- Start engine and run about 5 minutes; check for leaks.
- Stop engine, allow oil to drain back, and recheck level.
Specs & values
- Oil pressure 30 to 55 psi at full load speed
Full service-parts list: Allis-Chalmers 3500 MKII 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.