Short Description
This Workshop Manual contains technical information, descriptions, and repair instructions for the standard versions of the drive units 280, 280T, 280PT, 285, 285A, 290, 290A, 280-DP, 280-DP/PT, 290-DP, 290A-DP, SP-A, SP-A1, SP-A2, SP-C, DP-A, DP-A1, DP-A2, DP-B, DP-B1, DP-C and DP-C1. The Workshop Manual can show operations carried out on any of the drives listed above. As a result the illustrations and pictures in the manual that show cer- tain parts on the drives, do not in some cases apply to all the drives listed. However the repair and serv- ice operations described are in all essential details the same. Where they are not the same this is stated in the manual and where the difference is considera- ble the operations are described separately. The Drive Designations and Series Number (PZ-No.) can be found on the product plate. Please always include both the drive designation and the PZ number in all correspondence.
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Content
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Repair instructions Disassembly, models 280, 285 and 290
1. Remove the shift rod (1) from the shift plate (2). Remove the screws (3) and the nuts (4) holding the in- termediate housing to the upper housing. Use a rub- ber mallet to knock the housings apart. Knock care- fully.
2. Keep check on the number of shims (1) between the different housings and for all the gear sets in case neither the gears, housing nor the bearings need to be replaced. In this case the same shim thickness is to be used.
3. Remove the 7 screws holding the lower gear hous- ing to the intermediate housing. Use a rubber mallet and knock the housings carefully apart. Lift off the splines sleeve (1). NOTE! On sterndrives of later manufacture the 4 big- ger-sized screws are installed with stainless steel washers. Take care of these washers.
4. Install the upper gear housing in the special tool 884264. This tool, of later manufacture, carries the part number 884830.
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