FUSO 4M4 – Engine – TIMING GEAR – Installation procedure

โ€ขInstallation: Idler gear and sprocket
Install the idler gear and sprocket on the idler shaft while aligning the marks โ€œ1โ€ on its teeth with the corresponding mark on one of the crankshaft gear teeth.

Installation: Timing chain
โ€ข Support the cam sprocket with
โ€ข Check that the idler gear and sprocket and the crankshaft gear are engaged at the โ€œ1โ€ marked teeth.
โ€ข Align the โ€œ โ€ mark on the idler gear and sprocket with the mark link plate (one plate) on the timing chain.

โ€ข Install the timing chain with the mark link plates (two plates) aligned with the โ€œ โ€ marks on the exhaust cam sprocket and intake cam sprocket.
โ€ข After installing the timing chain, install the idler washer so that the front mark โ€œFโ€ is facing forward.