Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 275Get this manual
Table of Contents Page Page Troubleshooting theDown" Ci rcuit (When "Up" Circuit is O.K Trou bleshooting theUp" Circuit (When "Trailer" Circuit Works) Motor and Electrica Tests Trim Pump Motor Test Thermal Overload Switch Test Solenoid Test Circuit Breaker Test Fuse Test Trim Limit Switch Test Trim Sender Switch Test Trim Angle Adjustments Trim "Out" Angle Adjustment TrimIn" ngle Adjustment Trim Indicator Gauge Need le Adjustment Trim Pump Removal and Installation Removing Trim Pump From Boat Installing Trim Pump Power Trim Pump Assembly Com ponents Hydraulic Repair Manual Release Valve Replacement Filter Replacement Pump Replacement Adaptor ReplacementMotor Repair Disassembly Reassembly Armature Tests Brush Replacement Field Tests
Power Trim6-' Description 6-'