Question about Garden
4 blade propeller
Posted by Anonymous on
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Posted on Jan 02, 2017
Motor Guide hubs come in two different sizes - 3" and 3.5". The 3" size is more for older and lower thrust models. Newer units use the 3.5. The size differences are between manufacturers too. MinnKota's are a little bigger. If you order a new prop, the only issue may be the depth of the prop. I had to use a longer prop nut wrench to tighten the Hydrilla Hacker I purchased.
Posted on Mar 26, 2009
I would say that the bearings have rusted solid , the humming is the motor trying to turn.
Dismantle the lower housing and inspect , the alternative is throw it out and buy a new one , and take care of it,.
Posted on Dec 04, 2011
Unless you are mechanically inclined, dont attempt this. Take the lower unit apart by removing the prop and removing the two bolts that hold the forward and aft housing to the center housing. Fwd being the cone shaped part. Pull the aft housing away from the motor so you can inspect the connections to the board that holds the brushes and the soldered wiring terminals. You should find the solder missing from at least one of the terminals that connects the wiring from the foot switch to the speed control windings inside the aft housing. Clean up the terminal and wiring and re-solder. Also re-flow the solder on the other terminals. Clean up the seals and the area where the seals meet the housing parts. Replace seals if damaged. Reassemble the lower unit and torque the bolts 45-50 in-lbs and no more otherwise you will fail the seals. This problem is due to a "cold" solder joint that creates a high resistance to elec current flow and heats enough to melt the solder. This is a result of poor quality control at the manufacturer. Good luck.
Posted on Dec 29, 2011
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