Motionpro steering heard bearing race puller video
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You can not build the drive without the right tools.īelow is a list of tools required to build an Alpha One lower.īearing Carrier Retainer Wrench 91-61069Tĭrive Shaft Tapered Bearing Driver 91-87119 Included with 91-31229A7ĭrive Shaft Bearing Retainer Tool 91-43506T Keep a good supply of lint-free towels near by. Have an oil pan to catch an dripping oil of greasy parts. Have all debris removed from the benches and floors.
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It must be well lit and we recommend a good compressor with an air gun and air tools. The work space needs to have a large vise, a stand to place the drive in, a hydraulic press and a parts washer. It's good to have a "dirty parts" tray and a "clean parts" tray. Use a good size work bench with large trays to place your parts in. Roller bearings, shims, seals, washers, gears and shafts mustĪll be kept in neat order as so you can keep track of the procedures that you are doing. There are a lot of internal parts in an Alpha lower. Even our most experienced Merc techs still refer to the manual when building a drive. We suggest that you purchase a Service Manual before attempting such a repair. Precise measurements must be taken to insure exact clearances and one small error can destroy a new gearset. The gears are spaced apart with the use of shims behind the bearing races. The special tools required to do this job right are expensive.Įxtreme accuracy is required to build a drive that will last. Most "Do-It-Yourselfer" customers would not attempt to rebuild an Alpha lower. Rebuilding your Alpha One Lower Gearhousing Assembly.
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Rebuilding a Mercruiser Alpha One gear housing Sterndrives.Com