SEACHOICE 15461 6 Inch Fuel Tanks Deep Installation Guide

SEACHOICE 15461 6 Inch Fuel Tanks Deep

• For Fuel Tanks 6″ – 12″ Deep  Model 15461
• For Fuel Tanks 4″ – 24″ Deep Model 15471

Installation Instructions

Will work with any dash-mounted gauges calibrated to 240 – 33 ohms. These senders have been 100% tested to ensure full range of readings. May be used for Diesel if separate return line is available. NOT FOR USE WITH WATER

WARNING

Gasoline is EXTREMELY FLAMMABLE Make certain the tank is empty and work area is well-ventilated before starting.

WARNING

If uncertain how to perform any procedures, including wiring, seek help from a qualified individual.

Installation:

1. Disconnect the battery and any other electrical sources.

2. Remove the existing sending unit.
   CAUTION Please observe the screw hole pattern to the direction of the float arm. Failure to do so may result in interference with the tank wall.

3. Adjusting bracket for 4″ – 24″ senders (for 6″ – 12″ senders, skip to step 5): Measure the depth of the tank. Measuring from the bottom of the sending unit’s mounting plate, mark the bracket at ½ of the tank depth plus 1/2″ and cut the bracket. (See Fig.1)

4. Attach the float arm to the bracket 1/8″ from the bottom of the bracket with two self-tapping screws. (See Fig. 2)

5. Adjusting float arm length: For 6″ – 24″ senders use Table 1. For 6″ – 12″ senders use Table 2. Look up the measured tank depth dimension, find the correct float arm length “B” (If exact tank find the correct float arm length “B” (If exact tank depth is not listed, use the next highest depth.) and mark the correct length on the stainless steel float arm. For under 6″ see Fig. 1.

6. Slide float and push-on fasteners toward float arm axle until outer end of float is 3/16″ less than dimension “B”.

7. Cut float arm at dimension “B”.

8. If the sending unit does not match the old unit’s arm position in relation to the screw hole pattern, loosen the nut at the top of the new sender. Rotate the mounting plate 90° until the new sender matches the position of the old unit. Re-tighten the nut on top of the new sender to 15 in. Ibs. (See Fig. 3)

9. Carefully slide the included gasket over the float arm and sending unit to fit flat against the underside of the mounting plate. Install the completed unit carefully into the tank by inserting the float arm first then the sending unit.
   CAUTION
   Be careful not to bend the float arm. This may cause the sender to malfunction.

10. Align the gasket with the mounting plate and tank. The gasket’s five-hole pattern will only fit one way.

11. With supplied screws, insert each screw into the sending unit mounting plate. Tighten the screws to 15 in. Ibs. (See Fig. 4)
    CAUTION
    Do not over-tighten, as this will elongate the gasket and weaken the seal.

12. To ensure that there are no leaks, a leak test of this area should be performed. First pressurize the tank to 3 PSI. Then check for bubbles using a soapy water solution. (See Fig. 6)
    WARNING
    Note: All fuel system components and connections should be checked for leakage. If you are unsure of  how to perform a leak test. consult a orofessional.

13. Washer and nut. Connect these to the boats ground system. te rig enter post. Secure using the supplied
    CAUTION
    Before reconnecting the battery to the electrical system, double-check all wiring. Incorrect electrical connections or shorts could cause damage or fire. All elements of the electrical system should have the proper fuses installed.

14. Reconnect the battery and electrical system.

Troubleshooting

1. Be sure all electrical connections are clean and bright.
2. Be sure to have a common negative ground from the battery to the fuel tank to the connection of the dash-mounted gauge.
3. Be sure the sending unit floats move freely.
   If none of these suggestions help, remove the tank-sending unit. Run a jumper wire from the gauge mounting flange on the tank to sending unit’s flange. Move the float up and down to see if the 240 to 33 ohm range work on dash gauge.

If the pointer is reading empty, the possible causes are:

1. Dash receiving unit (gauge) not grounded.
2. No ignition at dash dash-mounted receiving unit.
3. Verify Ohms reading from 240 to 33 ohms.

If the pointer is reading full, the possible causes are:

1. Tank sending unit not grounded.
2. No connection between the tank-sending unit and the dash-receiving unit.
3. Ignition wire on the incorrect terminal.

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