Trimplans trouble shooting

Bennet trimplans - trouble shooting.

All components of this hydraulic system are selected on the basis of quality and durability and have a very long life. Most problems are due to low voltage, loose wires, or corroded wire or contact connections.

1. Our units have primary and secondary circuitry. Check both fuses. There is one at the helm in the positive lead to the control. The other fuse is in the hot wire (colored or black), from the power panel to the power source.

2. Check fluid level. It should be at the U-bolt when the planes are FULL UP. Cap reservoir only when planes are FULL UP.

3. Reservoir leaks due to gasket being extruded. This is caused by capping the reservoir when the planes are in a down position. When retracted they then put pressure in the reservoir. To correct, loosen centre bolt in reservoir and push gasket back in position and then re-tighten. It should not be necessary to remove the reservoir from the pump. Tighten reservoir cap only when planes are full up.

4. Check all electrical connections. If the unit is not new there may be corrosion preventing a good, connection.

5. Check the voltage. Be sure the battery is up to par. The power panel should not be mounted more than eight feet from the power source with the #10 wire furnished with the power panel. If the panel is to be up to 15 ft. from the battery, use #8 wire. For runs to 25 ft. use #6 wire.

6. Disconnect control. This is to make sure the problem is in the panel and not in the control.

7. Using an 8 or 10 inch length of wire, contact one end to the positive lead (bar that covers 4 terminals on left side of all 4 relays) and then in succession touch the colored relay coil terminals - red, green, yellow, and blue. If all relays do not "clack in", check for poor ground on right side foot of each relay. If relays do not operate check secondary circuitry which is the two heavy wires direct to power panel (usually black & white). Each relay should provide the action as described on the panel.

8. Check the solenoid valves by touching your jumper wire to the lead coming from the solenoid valves. The plunger only moves .010 to .020 of an inch and oil also cushions the action, so it is only a slight click. If the valve clicks it is operating.

9. Motor will scream on the two lower relays. This is cavitation inside the pump and is caused by our restricting orifice in the input side of the pump. This actually reduces the amperage draw by two amps. It is in no way harmful to the pump. If pump does not operate check connections of pump to panel, particularly the black grounding wire.

10. If everything operates with a jumper wire but does not operate with the control check fuse in hot lead to control. If okay check for wires off of control.

Bennett Marine, Inc. / 20400 Nine Mile Road / St.Clair Shores / Michigan 48080 / USA