The Vaseline protects the new impeller as it will run dry for a few seconds when first starting the engine. I took the pump to my garage so I had access to a vise and wire brush. Place the unit into the vice so the drive shaft and shift rod point straight up. W e only do warranty work. If your recoil spring is still working properly, it's fairly easy. Warning: The water pump is below the water line and when the lines to the pump are removed water will pour into the boat.
Mark the two hoses so you get them installed correctly. Save the key and open the pump replacement kit. Check to see if large particles of metal are present, or if water is in the old oil. The rest of the boat is covered by a 3-year bow-to-stern warranty and a limited-lifetime decking warranty. There is a video on the Walker Bay Website. Place the nuts onto the bolts and ensure the water tube connector has engaged the water tube. Did you change the pump housing gaskets too? Lube the housing with some petroluem jelly or white grease, while pushing housing down turn driveshaft clockwise to seat the impeller in housing then torque nuts to 100 inch pounds.
Remove the bolt under the trim tab. Current owner looking to upsize. To find the year model of a Mercury outboard, you need to know two things, the serial number, and the horsepower rating. Apply Perfect Seal to the threads of the pump housing bolts, thread the housing bolts through the bores in the pump housing and into the lower unit. Open the vise on your workbench and pad its jaws with a thick towel to avoid scratching the paint on the lower unit.
The only tricky part of re assembly is making sure you get the coupler lined up for the shifter. The oil drain plug is located on the lower left side of the motor just above the anti-cavitation plate. Next get a drain pan to collect the used oil and put it under the lower unit. I've blown through both ways the cooling system with high pressured air. Lay the kit's contents out on the workbench. Remove the housing, the impeller is on the shaft. O ur techs only fix late models.
Install new oil filter and refill the crankcase with 5 quarts of new 10w-30 motor oil. The rest of the boat is covered by a 3-year bow-to-stern warranty and a limited-lifetime decking warranty. Its not that hard all you have to do is take the five bolts out of the lower unit and disconect the shift linkage, then you just pull the lower unit from the engine and you have the cover that slides onto the driveshaft remove the 4 bolts from it and pull it off and there is your impell … er istalation is reveres of removal Start by positioning the engine with the leg hanging straight down. You will be notified beforehand if this is the case. Replace the trim tab and lower the engine using the trim-tilt system. I set my torque wrench to 50 inch pounds, tightened all bots then increased the torque setting on the wrench till I reached 110 in. Mercury Outboard Repair Manual - By Clymer - Compare.
P art's at central warehouse, you'll get it next month. As you do so, a small, square piece of metal, called a Woodruff key, will fall from the driveshaft; this is the key that holds the impeller to the driveshaft. As you remove the two bolts, have your helper support the unit. While keeping oil from flowing out of bottom hole, install the top vent screw. Don't pull that water tube out of the mid-section or you'll go crazy trying to get it back in without removing the powerhead. To change the impeller you need to remove the lower unit. Move the lower unit to the workbench.
Once the oil is drained, install drain plug an … d remove the cover from the top of the motor. When replacing the housing, turn the drive shaft clockwise to make it slide down over the imp … eller. Install the smaller gasket around the pump shaft, and install the new wear plate. Slide the drive shaft upward until it engages the engine splines. Its not straight, and curls back under the powerhead exhaust plate. Continue the rotation until the anchor pocket in the sheave lines up with the roller and outlet hole located in the housing. Tighten the jaws of the vice sufficiently to prevent the lower unit from moving.
Loosen the two hose clamps and pull the hoses off the pump. T hat motor's 7 years old!! Changes are periodically added to the information herein. Now put in the top screw first, then quickly replace the bottom screw. I had the same problem and found this answer:. Please Note I am not a mechanic. The pump's driven by the same drive shaft that drives the propeller and the pump itself is little more than an impeller in a housing with a couple of gaskets. Parts ordered from this website may or may not be in dealer stock at the time of order.