Repair instructions
Installing the sterndrive Models 280 and 285
There are 2 types of exhaust bellows. One type with an exhaust valve and one without. The exhaust bellows with an exhaust valve installed should be used on sterndrives not having a rubber exhaust flap installed on the exhaust outlet in the cavitation plate. Otherwise exhaust bellows without exhaust valve should be installed. IMPORTANT! When using an exhaust bellows with built-in flaps, make sure that the flaps are opening/closing horizontally. Furthermore check that the bellows is installed with the drainage hole pointing downwards.
1. Install new rubber bellows for the through-hull exhaust (1) and the universal joint (2). Use special tool 884936. Connect the cooling water hose (3) between the transom shield and the sterndrive. NOTE! The cooling water hose is marked ‘engine’ at the end to be connected to the transom shield. Check to make sure that the hose clamps are well tightened to avoid water leaking into the boat. Use the flexible screwdriver 884573 to tighten the clamps.
2. Check to make sure that the hole in the suspension yoke for the push rod is chamfered. The chamfer should be 1 mm × 45° (0.004" × 45°) to prevent the thrust washer of the lifting device to deform the edges of the hole when tilting the sterndrive. In case the thrust rod is jamming in the hole, the sterndrive will kick up when put in reverse. Should this happen, push down the push rod and adjust the chamfer.
3. Put the sterndrive in front of the transom shield. Block it from underneath to align it heightwise with the transom shield. As an alternative the special tool 884521 can be used. Insert the shift cable (1) in the sterndrive.
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