Beatrice Lang
Manually lowering a Tohatsu electric tilt can be a tricky process. While the specifics may vary depending on the model, some general steps include referring to the owner's manual for detailed instructions, opening the bleeder valve to check for free movement, and troubleshooting any electrical issues. In some cases, it may be necessary to release a locking mechanism or adjust the relief valve screw. It is important to exercise caution when performing these actions to ensure both your safety and the proper functioning of the equipment.
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What You'll Learn
Troubleshooting the trim/tilt
Firstly, it's important to understand the basics of the trim and tilt system. This system allows you to adjust the angle of your outboard motor, which can improve boat handling, performance, and fuel efficiency. The trim function adjusts the motor's angle up or down while the boat is in motion, and the tilt function allows you to raise or lower the motor completely out of the water, typically for trailering or storage.
Now, if you're experiencing issues with your Tohatsu outboard motor's trim and tilt system, there are several things you can check:
- Check the power source: Ensure that the battery is charged and providing adequate power to the system. A dead battery could be the reason why the tilt function is not working.
- Listen for sounds: Pay attention to any sounds coming from the motor when you hit the trim buttons. If you can hear the relays flipping but the motor doesn't engage, it could indicate an issue with the relay or the motor itself.
- Check for corrosion: Inspect the trim motor and its attachments for any signs of corrosion. Corroded components can hinder the smooth operation of the trim and tilt system.
- Refer to the owner's manual: Consult the owner's manual for your specific Tohatsu outboard motor model. It will often include detailed instructions on manual release procedures and troubleshooting steps.
If the issue persists, it may be necessary to consult a marine mechanic or a Tohatsu authorised service centre for further diagnosis and repair. They will have the expertise and tools to identify more complex issues and ensure your outboard motor is functioning correctly and safely.
Remember always to exercise caution when working with any boat motor and follow all safety procedures to prevent injury or damage to the equipment.
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Manually lowering the tilt with a dead battery
If you have a dead battery and need to manually lower the tilt on your Tohatsu outboard motor, there are a few things you can try. Firstly, refer to your owner's manual for detailed instructions on the manual release procedure. This can be found on pages 48 and 49 of the manual, or you can download a copy from the Tohatsu website if you no longer have access to a physical copy.
One method for manually lowering the tilt is to first tilt the engine forward by holding the tilt handle at the back cowl. Then, lower the tilt lever to lock it in the tilt-up position. From there, slightly tilt the engine up again and pull the tilt lever towards you to release the tilt lock. Finally, gently lower the engine.
It's important to note that some users have reported issues with getting the screw to turn back to the power setting after manually lowering the tilt. In some cases, the power tilt may be powering on, but nothing moves, and the screw will not return to its original position. It is suggested that the screw may be jammed open, and it is unclear whether the motor can be raised manually in this situation.
If you are unable to resolve the issue with your Tohatsu outboard motor, it may be necessary to consult a professional or seek further advice from experienced users on boating forums.
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Opening the bleeder valve
To manually lower the tilt of a Tohatsu outboard motor, refer to the owner's manual for a detailed drawing of the manual release procedure. If you do not have access to the manual, it can be downloaded at http://tohatsu.com/tech_info/manuals.html.
This answer will focus on the step of opening the bleeder valve during the process of manually lowering a Tohatsu outboard motor.
Before attempting to open a bleeder valve, it is important to note that dissimilar metals tend to corrode and fuse together, which can result in a frozen or broken bleeder screw. This is because a steel bleeder screw and an aluminum brake caliper can easily rust and bind together.
First, remove the rubber dust cap if your bleeder valve has one. Using a six-point socket or wrench of the correct size, apply mild force to see if the bleeder will open easily. If it does not open easily, do not force it as this may result in breaking the bleeder screw. Instead, try the following methods:
Method 1:
- Use a hammer to gently tap on the head of the bleeder screw. Ensure that the head does not become too mushroomed, as the wrench or socket must still fit.
- Tap on the caliper housing surrounding the bleeder screw.
- Repeat steps 1 and 2 if necessary.
- If the bleeder still does not open, move on to Method 2.
Method 2:
- Using an air hammer or impact tool, apply vibration to the bleeder screw while working the handle back and forth with even pressure. An air hammer is preferable as it provides more control and reduces the risk of breaking the bleeder valve.
- Attach a wrench to the bit and start rotating it gently.
- Wear safety glasses and hearing protection during this process.
- If using a chrome socket, be cautious as it may break and shatter. A rounded bolt removal socket is recommended to help grip and turn the bolt.
Method 3:
- Heat the base where the threads of the bleeder screw go into the caliper. Do not heat the actual screw, as this will cause it to stick tighter. Heating the base will expand the opening and reduce tension on the threads.
- Heat this area for around a minute.
- Clip vise grips tightly to the screw and tap the end of the handle with a hammer to loosen the bolt.
- Try removing the bolt with a socket and ratchet again, being careful as the caliper will be hot.
- If needed, apply more heat to the caliper.
- If the bleeder screw is removed, install a new one. If it cannot be removed, the entire caliper will need to be replaced.
Remember to always refer to your owner's manual for specific instructions related to your Tohatsu model and follow safety precautions when working with tools and heat.
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Manual release procedure
If your Tohatsu outboard motor's tilt trim system is not working, you can attempt a manual release procedure. The exact steps for this procedure will depend on the make and model of your motor, so it is important to refer to your owner's manual for specific instructions. That being said, here is a general overview of the process:
First, locate your owner's manual, which should contain a detailed drawing of the manual release procedure. If you have misplaced your manual, you can usually download a copy from the manufacturer's website. Once you have the manual, review the steps for the manual release procedure before attempting anything, as the process may vary slightly depending on your particular model.
Next, identify the manual relief screw or bleeder valve, which is typically located on the trim unit. Be cautious when opening the bleeder valve, especially if the engine is in the down position, as this is when the system is pressurized and could result in a mess. If you are unable to locate the manual relief screw or bleeder valve, consult your owner's manual or seek assistance from a qualified marine mechanic.
Now, attempt to manually lift and lower the motor. If you are able to move the motor freely, it indicates that the issue is not due to corrosion or binding. However, if the motor is still stuck, you may need to investigate further or consider replacing the trim relays or solenoids, as suggested by some boating enthusiasts.
Finally, refer to your owner's manual for instructions on how to return the relief valve screw or bleeder valve back to the power position. In some cases, you may need to raise the motor in order to move the valve back into the power position, but this is not always necessary. If you are unable to get the valve back into the power position, it could be due to a jammed screw or another issue, in which case you may need to consult a professional for further assistance.
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Releasing the tilt lock
Understanding the Basics
Before attempting to release the tilt lock, it is important to familiarize yourself with the basic mechanism. The tilt lock on Tohatsu outboards is designed to hold the motor in a specific position, usually when it is fully tilted up. The locking mechanism can be engaged or disengaged by using a knob or lever, depending on the model.
Preparing for Release
To release the tilt lock, first ensure that the engine is off. This is a crucial safety measure. Then, identify the tilt lock knob or lever. For the Tohatsu 9.8A3 EP model, the tilt lock knob is labelled as #11. Refer to your specific model's owner's manual for detailed diagrams and instructions if you are unsure.
Releasing the Lock
Now, follow these steps:
- Put the tilt lock knob in the unlock position.
- Pull the motor up until you hear a distinct click. This click indicates that the motor has reached the highest tilt position.
- Release the motor after the final click. Do not pull it up further, as this will release the locking rod, preventing the motor from staying up.
- (Optional) Move the tilt lock knob to the lock position. This step is optional but may provide additional security.
Lowering the Motor
To lower the motor, follow these reversed steps:
- Move the lock knob to the unlock position.
- Pull up on the motor slightly to release the lock.
- Gently lower the motor down to the desired position.
Troubleshooting
If you are experiencing issues with the tilt lock not engaging or disengaging properly, there are a few potential solutions. First, ensure that you are not pulling the motor past the final click when raising it. This can release the locking rod prematurely. Additionally, refer to your owner's manual for detailed instructions on the manual release procedure. If the problem persists, it may be due to salt water residue interfering with the mechanism. In this case, disassemble and clean the affected parts before greasing them with proper marine grease.
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Frequently asked questions
Open the bleeder valve and try to manually lift and lower the motor. If you can move the motor freely, you know it's not binding due to corrosion.
There could be a problem with the trim relays or solenoids. Check those first, as they are not that expensive and it is recommended to change both at the same time.
Refer to your owner's manual for a detailed drawing of the manual release procedure. If you have misplaced your manual, you can download a copy from the Tohatsu website.
With the engine off, put it in forward and lift from the rear of the cowl. Most modern motors have a tilt lock that releases in forward gear.
The problem could be due to corrosion on the sleeves that attach the trim motor to the outboard.
