1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Manual, Page 306Get this manual
Power Trim Table of Contents
General Safety Warnings Service Specifications Description of System Component Description Modes of Operation UP DOWN MANUAL RELEASE IMPACT RELIEF THERMAL EXPANSION RELIEF Routine Inspections Troubleshooting Trim Gauge TroubleshootingPower Supply Relay Ohmmeter Tests TroubleshootingAmmeter Electric Motor Identification Motor TestNo Load Trouble Check Chart Hydraulic Unit Servicing Motor Servicing Sending Unit Adjustment 101010102