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Garmin FORCE PRO Replacement Instructions Manual
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Garmin FORCE PRO Replacement Instructions Manual

Garmin FORCE PRO Replacement Instructions Manual

Trolling motor, transducer
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FORCE
PRO TROLLING MOTOR
®
TRANSDUCER REPLACEMENT INSTRUCTIONS
Getting Started
WARNING
Always disconnect the motor from the battery before handling or working with the propeller, propeller drive
motor, electrical connections, or electronics enclosures to avoid serious injury or death.
CAUTION
For the best possible performance and to avoid potential injury, damage to the device, or damage to your vessel,
installation by a qualified marine installer is recommended.
When stowing or deploying the motor, be aware of the risk of entrapment or pinching from moving parts, which
can result in personal injury.
This manual covers replacing the transducer on a Force Pro trolling motor. If you are upgrading a Force trolling
motor with the GT56UHD-TR transducer, you should refer to the Transducer Replacement Instructions for the
Force trolling motor on garmin.com/manuals/force_trolling_motor.
You should read these instructions completely before beginning this service, and make sure that you have the
tools and skill set needed to complete it. If necessary, you should use a qualified marine installer to ensure
proper service.
Tools Needed
• #2 and #3 Phillips screwdrivers
• 3 and 4 mm hex bits or drivers
• 4 mm ball-head hex bit or driver
NOTE: A ball-head bit is highly recommended due to the angle of some screws.
• Torque wrench
• Medium-strength thread-locking compound, such as LOCTITE
243
®
™
• Canned compressed air or an air compressor
March 2025
GUID-36A086C0-41D9-4098-8234-D26188424460 v2

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Summary of Contents for Garmin FORCE PRO

  • Page 1 When stowing or deploying the motor, be aware of the risk of entrapment or pinching from moving parts, which can result in personal injury. This manual covers replacing the transducer on a Force Pro trolling motor. If you are upgrading a Force trolling motor with the GT56UHD-TR transducer, you should refer to the Transducer Replacement Instructions for the Force trolling motor on garmin.com/manuals/force_trolling_motor.
  • Page 2 Device Overview Shaft cap Power and transducer cables Steering system Mount Depth-adjustment collar Shaft Propeller drive motor Disconnecting the Shaft Cables 1 Open the shaft cap (Opening the Shaft Cap, page 3). 2 Disconnect the cables in the shaft cap (Disconnecting the Cables, page 4).
  • Page 3 Opening the Shaft Cap WARNING Always disconnect the motor from the battery before opening the shaft cap. The power cables in the shaft cap may carry high current, and accidental discharge may cause serious injury or death. 1 Using a #2 Phillips screwdriver, remove the four screws that secure the lid of the shaft cap. 2 Carefully lift up the lid of the shaft cap to access the cable connectors inside.
  • Page 4 Disconnecting the Cables 1 Take a picture or note the arrangement of the cables in the shaft cap, so you can reproduce it correctly when you reconnect the cables and close the shaft cap. 2 Unscrew and disconnect the GPS data connector Ensure the o-ring remains in place inside the connector.
  • Page 5 Removing the Transducer Cable 1 Using a #2 Phillips screwdriver and a 3 mm hex bit or wrench, remove the three cable clamps that secure the power cable and the transducer cable to the trolling motor mount. 2 If necessary, pull the transducer cable out of the channel in the trolling motor mount. 3 Remove the plastic cable clamps that secure the transducer cable to the coiled power cable.
  • Page 6 Removing the Shaft Cap 1 Take a picture or write down the number of times the coil cable wraps around the shaft. When reinstalling the shaft cap, you will need to make sure the cable wraps around the shaft the same number of times.
  • Page 7 Removing the Existing Transducer 1 Remove the skeg and nose cone from the propeller drive motor (Removing the Skeg and Nose Cone, page 7). 2 Remove the propeller drive motor from the shaft (Removing the Propeller Drive Motor, page 8). 3 Remove the transducer from the nose cone (Removing the Transducer, page 10).
  • Page 8 Removing the Propeller Drive Motor NOTE: When removing the propeller drive motor, using a ball-head hex bit or wrench is highly recommended because of the angle needed to reach the head of the screws. 1 Using the tool included in the transducer replacement kit, remove the recessed nut that secures the transducer cable to the shaft.
  • Page 9 3 Straighten the cables at the top of the shaft, and slowly pull the propeller drive motor away from the shaft base until you can see the power and data cables connected to the propeller drive motor. 4 Holding the cables only, slowly pull them out of the shaft, taking care that the cable connectors do not get caught on the top of the shaft.
  • Page 10 Removing the Transducer Before you can remove the transducer, you must remove the propeller drive motor (Removing the Propeller Drive Motor, page 8). 1 Carefully pull the transducer cable straight down through the bottom of the shaft until it is completely removed from the shaft.
  • Page 11 Installing the Replacement Transducer After you remove the existing transducer, perform these actions to install the replacement transducer. 1 Install the new transducer in the nose cone (Installing the Transducer, page 11). 2 Install the propeller drive motor on the shaft (Installing the Propeller Drive Motor, page 12).
  • Page 12 4 With the O-ring facing the transducer, feed the replacement transducer cable through the recessed nut and the hole in the front of the shaft base , but do not feed the cable up through the shaft. 5 Leaving about 60 cm (2 ft.) of the transducer cable out of the front of the shaft base, feed the transducer cable up through the shaft Installing the Propeller Drive Motor Before you can install the propeller drive motor, you must install the new transducer and route the transducer...
  • Page 13 6 Remove the 36 mm (1  in.) O-ring from the top of the propeller drive motor, and discard it. 7 Thread the cables from the propeller drive motor through the new 36 mm (1  in.) O-ring in the transducer replacement kit. 8 Using the packet included in the transducer replacement kit, apply grease to the new 36 mm (1  in.) O-ring.
  • Page 14 14 Using the grease packet included in the transducer replacement kit, apply grease to the 4.75 mm (  in.) O-ring on each bolt. Avoid getting grease on the bolt threads. REMEMBER: If you did not previously apply thread-locking compound in the four mounting holes for these bolts, you must apply it before installing these bolts.
  • Page 15 10 Using a 4 mm hex bit or wrench, secure the front of the nose cone to the propeller drive motor using the two existing screws. 11 Using a 3 mm hex bit or wrench, secure the bottom of the nose cone to the propeller drive motor using the existing screw.
  • Page 16 4 Place the keyed bushing over the keyed side of the shaft, and slide it down until its lip rests on the servo housing. NOTE: The keyed bushing fits in the steering servo only in a certain orientation. While someone supports the weight of the propeller drive motor on the bottom of the shaft, you can loosen the depth adjustment collar and rotate the shaft and bushing to match the position of the notch in the steering servo housing.
  • Page 17 Installing the Shaft Cap 1 Insert the rubber wedge into the bottom of the shaft cap. NOTE: The rubber wedge fits in the shaft cap in one orientation only. You should examine the shape of the inside of the shaft cap and the shape of the rubber wedge to determine the correct fit. 2 Pull the cables from the shaft completely through the shaft cap.
  • Page 18 Reinstalling the Transducer Cable 1 Feed the transducer cable completely through the square hole in the shaft cap. 2 Install the grommet on the transducer cable. The grommet is split on one side to make it easy to install on the cable. 3 Push from the outside to secure the square grommet in the shaft cap.
  • Page 19 Reconnecting the Cables 1 Add dielectric grease to the connectors on the GPS data cable , the motor data cable , and the motor power cables 2 Place the rubber sleeves on the power cables from the shaft, so that you can later slip them over the power cable connections.
  • Page 20 联络地址 : 上海市徐汇区桂平路 391 号 ( 新漕河泾国际商务中心 A 座 37 层 ) 电 话 : 021-60737675 客服专线 : 400-819-1899 The device withstands incidental exposure to water of up to 1 m for up to 30 min. For more information, go to www.garmin.com/waterrating. Dependent upon water salinity, bottom type, and other water conditions.
  • Page 21 Garmin ® , the Garmin logo, and Force ® are trademarks of Garmin Ltd. or its subsidiaries, registered in the USA and other countries. These trademarks may not be used without the express permission of Garmin. LOCTITE ® is a trademark of Henkel Corporation in the U.S. and elsewhere.
  • Page 22 © 2025 Garmin Ltd. or its subsidiaries support.garmin.com...