Remove the snap ring (A), the cotter retainer (B), and the cotters (C) from the idler gear shaft (D), then remove the idler gear shaft. Do not distort the snap ring.

Check the snap ring and the cotter retainer for wear and damage. Replace the snap ring and/or the cotter retainer if the snap ring or the cotter retainer is worn, distorted, or damaged.
Install the idler gear shaft in the idler gear shaft bearing.
Install the cotters and cotter retainer, and secure the idler gear shaft with the snap ring.
Alternator Reassembly
If you removed the pulley, put the rotor in the drive-end housing, then torque
its locknut to 110 N·m (11.2 kgf·m, 81 lbf·ft).
Remove any grease or any oil from the ...
Fuel Tank Draining
Remove the fuel tank unit.
Using a hand pump, a hose, and a container suitable for fuel, draw the
fuel from the fuel tank.
Reinstall the fuel tank unit.
...
Rotor Slip Ring Test
Measure the resistance between the slip rings (A):
If the resistance is within the standard, go to step
22.
If the resistance is not within the standard, replace the roto ...