Input Shaft (Km200, Km201, F4M21 & F5M21): Reassembly
- To reassemble, reverse disassembly procedure. Install synchronizer hub and sleeve with mark on hub toward front. Synchronizer sleeve has a tooth missing at 6 places. Assemble hub to sleeve so center tooth is between 2 missing teeth and touches synchronizer key. See Fig 1 .
- Install synchronizer springs so synchronizer keys rest in stepped portions in springs. Ensure synchronizer springs are not installed in same direction. Install 3rd-4th synchronizer assembly on input shaft using Installer.NOTE: Ensure synchronizer keys are seated in grooves in ring. After installing synchronizer assembly, ensure 3rd gear rotates smoothly.
- Install bearing sleeve using installer. Install spacer with identification mark "1" toward 4th gear side. If spacer is not marked, it can be installed in either direction. Install inner ring (rear bearing) on input shaft using installer.
- Install front bearing on input shaft using bearing installer. Install NEW snap ring in groove. Snap rings are available in various thicknesses. Install thickest snap ring that will fit in groove. Be careful to avoid damaging oil seal area on input shaft.