Mitsubishi — Priming pump cap tightening method
Adjustments
From a Mitsubishi operator's manual — check it applies to your exact model before use.
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Before you start
- If the cap is not tightened firmly, internal threads can wear and the cap can eject, causing a fuel spill.
- If tightened 120 degrees or more, the head of the priming pump can be damaged.
Procedure
- Turn the priming pump cap by hand until the force required to turn the cap increases suddenly.
- With the cap at that position, place a mark on the cap.
- Use a wrench or other appropriate tool to tighten the cap 90 +/- 10 degrees.
- Check that the head packing is not protruding.
Tools required
- Wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 90 +/- 10 degrees
Source: Mitsubishi 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.