Re: Trim tabs are stuck in the up postion?
The first thing I would do is make sure your battery is fully charged as they can be voltage sensitive.
Try just putting one side down at a time.
Also try to raise them, Mine sound different when raising and the are all the way up. I will try to post some Trouble shooting from Benett and some of their contact information.
From Bennett
2. If HPU runs but trim tabs do not move -
- Inspect for disconnected or corroded red and green valve wire connections at helm control and quick-disconnect plug.
- The following test can be used to help isolate the 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 the tabs function properly in each of the above combinations, check the helm control. If during this test the trim tabs continue to malfunction, inspect the HPU.
3. If one trim tab operates and the other 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 the hydraulic tubing at front of HPU to determine if malfunction is in HPU or actuator / hydraulic connections. If ,after reversing lines, the symptom shifts to other trim tab, a malfunction may exist in HPU. If the symptom remains on the same side, a malfunction may exist with the actuator / hydraulic connections.
For additional assistance contact Bennett Marine's Client Services Department at (954) 427-1400 or e-mail
trimtabs@earthlink.net.
Tom McGow from Bennett will probably see this give you more help.