0434574 JOHNSON ENGINE COVER ASSY., 90 Jet, (65)

Start By:a. remove counterweight *b. remove hydraulic tank *c. remove radiator*Operations are located in the Vehicle Systems, Disassembly and Assembly section. Before any removals of any components, put identification on all lines, hoses, wiring harnesses and tubes for installation purposes. 1. Remove the floor plates above the transmission.2. Disconnect wiring harness (2). Loosen bolt (3) and then remove the shift lever (1). 3. Disconnect wiring harnesses that goes to the engine at connectors (4). 4. Disconnect shuttle linkage (5), and then move it to one side.5. Remove throttle linkage (6).6. Remove the two transmission mounting bolts (7). 7. Remove four bolts (8) to disconnect the driveshaft between the transmission and rear axle. 8. Remove muffler (9) and air cleaner (10) from engine (11). 9. Disconnect hose (12) that goes to the water pump.10. Disconnect all wiring (13) to the starter. 11. Remove air conditioning compressor (14) and mounting bracket (15). 12. Disconnect two fuel lines (16) and one hose (17). 13. Fasten tool (A) and a hoist to the engine. Remove two front mounting bolts (18). Make a final check to be sure that all removals and disconnections have been made from the engine, torque converter and transmission. 14. Remove engine, torque converter and transmission (11) as a unit from the machine. Weight of the unit is 550 Kg (1200 lbs.). The following steps are for the installation of the engine, torque converter and transmission as a unit. 15. Install engine, torque converter and transmission (11) in the machine as a unit. 16. Install two front mounting bolts (18).17. Remove tool (A) from the unit. 18. Connect two fuel lines (16) and one hose (17). 19. Install mounting bracket (15) and air conditioning compressor (14). 20. Connect all wiring (13) to the starter.21. Connect hose (12) that goes to the water pump. 22. Install the air cleaner (10) and muffler (9) on the engine. 23. Connect the driveshaft between the transmission and the rear axle and install four bolts (8). 24. Install the two transmission mounting bolts (7).25. Install throttle linkage ((6).26. Connect shuttle linkage (5). 27. Connect wiring harnesses that goes to the engine at connectors (4). 28. Install shift lever (1) and then tighten bolt (3).29. Connect wiring harness (2).End By:a. install radiatorb. install hydraulic tank *c. install counterweight **Operations located in the Machine Systems, Disassembly and Assembly section.Separation & Connection Of Engine, Torque Converter And Transmission
Start By:a. remove engine, torque converter and transmission 1. Disconnect wiring harness (1) from the transmission and then move the wiring harness to one side and out of the way. 2. Drain the fluid from the transmission. Remove the fill tube (2).3. Disconnect the two hoses (3). 4. Remove access cover from the torque converter housing. Remove the bolts (4) that hold the flex plate to the flywheel. Insert a screwdriver between the flex plate and torque converter to hold the torque converter in place. 5. Install a jack stand (5) under the oil pan to support the engine when the transmission is removed.6. Fasten a hoist to the transmission and torque converter as shown.7. Remove bolts (6) and separate the transmission (7) and torque converter from the engine (8). The following steps are for the connection of the engine, torque converter and transmission. 8. Put transmission (7) and torque converter in position on the engine (8) and install bolts (6). Remove the hoist from the transmission and torque converter.9. Remove jack stand (5) from the oil pan. 10. Withdraw the screwdriver from between the flex plate and torque converter.11. Install the bolts (4) that hold the flex plate to the flywheel. 12. Connect two hoses (3). Install fill tube (2).13. Fill the transmission with fluid to the correct level. See the MAINTENANCE MANUAL. 14. Connect wiring harness (1) to the transmission.End By:a. install engine, torque converter and transmission