0434137 JOHNSON THERMOSTAT ASSY,

Start By:a. remove fuel injection pump housing and governor (later)1. Remove two bolts, and the fuel transfer pump from the governor. If it is desired to only remove the governor so the fuel injection pump housing can be disassembled, do only Steps 2, 3, 4, 17, 24, 27, 28, 29, 30, 34, 36, 37 and 40.2. Put the fuel injection pump housing and governor in position on tool (A).3. Remove the bolts, fuel ratio control (1) and the shutoff solenoid (if equipped) from rear governor housing (2).4. Remove the bolts, rear governor housing (2) and the gasket from the front governor housing. 5. Remove governor spring (3), the two wave washers, one flat washer and the seat from the guide in the rear governor housing. 6. Remove bolt (6) that holds lever assembly (4) to the shaft assembly.7. Remove the bolts, cover assembly (5), the gasket, the shaft assembly, lever (4) and lever (7) from the rear governor housing. There is a key in the (slot) groove of the shaft assembly that must be removed before the shaft assembly is removed from the rear governor housing. 8. Remove spring (8), shaft assembly (10) and if necessary dowels (9) from the cover assembly. 9. Remove the rings, pins (13), stop (12) and plates (11) from the shaft assembly. 10. Remove the pin, pin (15) and spring (14) from the lever assembly. 11. Remove seal (16) and low idle adjustment (17) from the cover assembly. 12. Remove seal (19) from the cover assembly.13. Remove plug (18) from the cover assembly. Spacers (21) and (23) are different sizes. Make sure they are assembled in the correct position.14. Use needle nose pliers (20) and remove the shaft. Remove spacer (23), lever (22) and spacer (21) from the rear governor housing.15. If necessary remove the screws, cover (24) and the gasket from the rear governor housing. 16. If necessary, remove dashpot valve (26), fitting (27), insulator (28), high idle adjustment (29) and seal (25) from the rear governor housing. 17. Remove the bolts, front governor housing (30) and the gasket from the fuel pump housing. 18. Remove the bolts and torque control group (32) from block (33).
Depending on the different engine applications, torque control groups will vary. Inspect all parts for wear and damage and make a note of the correct sequence of the parts for assembly purposes.
19. Remove the bolts and block (33) for the full load stop from the front governor housing.20. If necessary, remove dowels (31) from the front governor housing and the dowels that align block (33). 21. Remove the bolt that holds collar (35) to bolt (36).22. Remove collar (35) and spring (34) from bolt (36). Remove bolt (36) from the block.23. If necessary, remove the stop screw from collar (35). 24. Remove the bolts and governor servo (37) from the fuel injection pump housing. 25. Remove lockring (42), seat (41), spring (broken link spring) (40) and sleeve (39) from valve (38). Remove the other lockring (42) from the groove in the center of valve (38). 26. Remove valve (38), sleeve (43) and piston (45) from the governor servo. Remove the O-ring seal from sleeve (43). Remove pin (44) and lever (46). 27. Use tool (C) to hold spring (47) in compression so the ring on the governor shaft can be removed.28. Remove the ring and carefully remove tool (C).29. Remove bearing (48), the sleeves and spring (47) from