1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 282Get this manual
Trim Sending Unit AdjustmentFas Trak 1Tilt the engine and engage the mooring brackethole
IT] 2Temporarily,
install PIN 387278 thrust rod in the No.3
3Loosen the sending unit screws until only snug, so the sending unit can be pivoted4Disengage the mooring bracketLower the engine against the thrust rod[] 5Observe the trim gaugeIf the needle does not show center position tilt the engine up and adjust the sending unit by pivoting it up or down6Lower the engine against the thrust rod to verify adjustmentRepeat Step 5, if necessary7After adjustment is correct, tilt the motor up, tighten the two sending unit screws, and remove the thrust rodWhen the engine is returned to the customer, the trim limiter rod must be installed and in the same location as it was when the motor was brought in for serviceLeaving the trim limiter rod out, or changing the adjustment, could allow the motor to unexpectedly trim in too far and cause loss of control