1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 218Get this manual

1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 218

HYDRAULIC REPAIR ACAUTION
Work area must be dlrl-and-Unt-freeThe sUghtest .mounlof dirt In hydraulic system can cause pump malfunction
MANUAL RELEASE VALVE REPLACEMENT
NO TE: Replacement of manual release valve can be com pleted without removing the trim pump from boat
AWARNING
Before loosening the manual release valve knob make lure all persons are clear of engine .s engine will drop to full "Down" position when valve Is loosenedIMPORTANT: Two dllferent .tyles of manual release valves are used: two" ring type, and three0" ring typeThey cannot be interchangedTurn manual release valve counterclockwise 10 removeTo install new va lvelurn valve clockwise un til it seals

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