Bennett Marine Tournament Tab Kits Owners Manual - Manual (Page 7)

Bennett Trim Tabs are built to rigid quality standards. However, the marine
environment is harsh. So, in the unlikely event a malfunction occurs, here is some
helpful information:
1. If trim tabs do nothing … no movement … no sound from HPU:
• Inspect for blown 20 amp in-line fuse in helm control’s orange wire.
• Inspect for disconnected or corroded connections on HPU ground wire,
orange positive wire from helm control, and quick-disconnect plug.
2. If HPU motor runs but trim tabs do not move:
• Inspect for disconnected or corroded red and green wire connections at
helm control and quick-disconnect plug.
• The following test can be used to help isolate a malfunction.
Remove wires from helm control and touch together as follows:
operation reaction
orange ( + ), blue, red Port trim tab down
orange ( + ), blue, green Starboard trim tab down
orange ( + ), blue, red, green Both trim tabs down
orange ( + ), yellow, red Port trim tab up
orange ( + ), yellow, green Starboard trim tab up
orange ( + ), yellow, red, green Both trim tabs up
If trim tabs function in each of the above combinations, check helm control. If
during this test trim tabs continue to malfunction, inspect HPU.
3. If one trim tab operates and the other one does not:
• Inspect for disconnected or corroded red or green valve wire connections at
helm control and quick-disconnect plug. (Red wire operates port trim tab;
green wire operates starboard trim tab).
• Reverse hydraulic lines at front of HPU to determine if malfunction is in HPU
or actuator / hydraulic connections. If after reversing lines, symptom shifts
to other trim tab, malfunction may exist in HPU. If symptom remains on the
same side, malfunction may exist with the actuator/hydraulic connections.
4. If trim tabs go down but will not retract:
• Inspect for low voltage of the battery. Check battery voltage while HPU (or
another accessory) is running. If voltage is less than 10 volts, valves may not
open.
• Inspect for disconnected or corroded connections on helm control, and
quick-disconnect plug.
This general information is not intended to be complete. Please feel free to call
Bennett Marine to assist in solving situations not clarified or addressed above.
Bennett Marine customer service is available to help Monday through Friday,
8 a.m. to 5 p.m. eastern time by calling (954) 427-1400.
System
Information