8200-ERIES TRACTORS 3B01.6
Engine - Flywheel
D . Replacing the starter ring gear Disassembly 19. Split the tractor between the engine and gearbox (see section 2B01). 20. Remove the damper (see § B). 21. Remove the flywheel (see § C). 22. Using a suitable-strength drill bit, drill a hole (Ø 5) to the same depth as the width of ring gear (2) to avoid touching the flywheel. Use a suitable cold chisel to split the ring gear (Fig. 3). Note: When breaking the ring gear, provide some protection to stop splinters of material. 2
Reassembly 23. Heat a new ring gear to 245° C in a furnace only. 24. Install ring gear (2) on the flywheel, with the teeth opening pointing towards the starter, and fit rapidly into abutment. Allow to cool slowly. 25. Refit the flywheel (see § C) and the damper (see § B). 26. Reassemble the tractor between the engine and gearbox (see section 2B01).
Ø5
Fig. 3
E . Service tools Tool available in the AGCO network - 3378262M1 - Damper centring tool (Fig. 4) Fig. 4
Issue 1
May 2001