Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 293Get this manual
POWER TRIM
Down Circuit
Impact Relief Pressure #2.2 880-1110 psi (30-60 hpj 1220-1 420 psi (75-125 hpj Up Pressure 1625 psi (30-60 hpj 2800 psi (75-125 hpj minimum Tilt Relief Pressure 2SO-4OO psi (30-60 hpj SOO-700 psi (40-60 hp Big100tj 540-990 psi (75-125 hpj
Reservoir Oi Filtered Feed Oil Return Oil Oil Under Pressure