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Allis-Chalmers 3500 MK II / SOOMKII 1.5 — Bypass Oil Filter Element Replacement

Maintenance · Bypass oil filter (optional)

For the Allis-Chalmers 3500 MK II / SOOMKII 1.5, from the Allis-Chalmers owner's manual.

Applies to: Allis-Chalmers 3500 MKII engine

Parts for this job

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

  1. Clean filter cover and surrounding area; open drain cock and drain filter.
  2. Remove cover clamp and lift cover; remove cover gasket.
  3. Unscrew element counterclockwise from outlet post and lift from housing.
  4. Clean interior of housing and tighten drain cock.
  5. Install new cover gasket in lip of housing.
  6. Insert element and turn clockwise until firmly seated on outlet post.
  7. Loosen vent plug on top of cover; start engine and run at idle until oil appears, then tighten plug.
  8. Stop engine and check oil level; add oil to FULL mark.

Specs & values

  • Bypass filter capacity 6 quarts

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.

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