Description
Actuator Upper Hinge replacement for Bennett Marine trim tab actuators.
Actuator Upper Hinge DIY Replacement Guide
- With trim tabs in full up position, locate the trim tab hydraulic line inside the transom.
- Detach the tubing from brass elbow. Note: Some oil will drip out.
- While holding pipe nipple with vise grips, unscrew brass elbow.
- Outside the transom, snap white plastic clip on shaft protruding from the bottom of the cylinder.
- Grab the body of the cylinder with both hands and unscrew counter clockwise from actuator cap.
- Screw new cap onto cylinder. Tighten cap hand tight. Remove plastic cap. The white plastic clip can now be discarded.
- Detach old cap from transom. Remove pipe nipple.
- Screw pipe nipple back into new actuator cap. Tighten hand tight.
- Tighten on full turn past hand tight, but no more.
- Cover end of pipe nipple with masking tape. Apply sealant on actuator cap surface around pipe nipple and screw holes.
- Secure actuator cap to transom with mounting screws.
- Grasp cylinder with both hands and tighten (clockwise) securely.
- Inside transom, wrap Teflon around male thread of pipe nipple protruding from inside of transom.
- Hold pipe nipples stationary with vise grips and attach 90 degree elbow.
- Re-attach hydraulic tubing with a 1/2″ wrench.
- Lastly, it is important to test bennett actuator upper hinge before launching boat.