HarryS
20.04.2021 16:29:27
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This new tool is great for lower unit gearcase drain screws. more
Recently Snap-on, a leader in professional hand tools, introduced a uniquely designed wide-blade screwdriver for marine use. Their model SGD155BR screwdriver is perfect for those tight gearcase drain screws found on outboard motors and stern drive units. I purchased one of these tools as soon as my Snap-on rep received them from the factory and I was impressed by the size, fit, and quality of it. Because I work in coastal areas of Florida, encountering rusted, corroded, or salt-seized fasteners is a daily occurrence. Most screwdriver bits are not wide enough or thick enough to fully engage a majority of the drain screws. This results in making the removal of stuck gearcase screws a frustrating event. It is especially aggravating when an undersized screwdriver bit keeps slipping out and damaging the groove. The large soft Snap-on Instinct® handle is comfortable on the palms and its unique tri-lobe contour permits a firm non-slip grip for twisting out reluctant screws. Even though the handle length allows for a good two-fisted grip it would still be nice to have a square or hex shaped bolster on the steel shank for attaching a wrench for even more twisting leverage. Other Snap-on screwdrivers have that bolster feature that is handy in many situations encountered on marine engines.
Measuring about 10-3/8" overall with a 0.05" thick flat blade at the end of a ½" diameter shank, this gorilla-size screwdriver is all about heavy duty construction, a blessing for us salt water mechanics. In addition the steel blade is chrome plated to minimize rust and corrosion in the marine environment more
1. Prepare to Drain: First, you need to ensure that your outboard is in a vertical and upright position. Thereafter you will need to locate and identify both the upper and lower Fill and Drain Plugs. Place an oil drainage pan beneath the outboard where you will remove the bottom drain plug. Some oil will begin to trickle out so you need to make sure that the oil drain pan is positioned correctly to catch the draining oil.
3. Add Oil: To refill the lower unit, insert the bottle or tube into the bottom drain hole and slowly squeeze the bottle to force the oil into the lower unit. We recommend original manufacturer marine oil for best performance and longivity. Read more about brand name vs generic oils here. here
Always ensure your oil has the following properties in order to function correctly:
both were tight, neither dripping anything.
on the lower drain plug i note it is quite chewed up on edges of slot. i assume from poor alignment of screwdriver in slot. here
i am thinking i can get the drain plugs in snug n tight, and then with some impact from impact screwdriver set it another 1/8th revolution or so to be goodentight.
A permanent waterproof adhesive that adheres to rubber, plastic, metal. Also works for vinyl repair. Carded 5 oz. tube. Multiple of 6. here
60% Moly grease formula. Contents are solid and will not separate at room temperature. Recommended for bearings, spark plug threads, gears and other high-pressure/ high-temperature applications. Use where Moly 45 is suggested. Carded .3 oz. tube. Multiple of 1.
Genuine Sta-Bil® formula prevents gasoline-related problems during periods of extended storage. Prevents rust, freezing or gelling of fuel. Keeps jets and float bowls free of gummy residues. Equipment stays ‘‘ready-to-use.’’ 32 oz. measure pour bottle. Multiple of 12.